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Mon, 14 Apr 2025 08:43:08 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Apr 2025 01:43:03 -0700 From: Taniya Das Date: Mon, 14 Apr 2025 14:12:12 +0530 Subject: [PATCH v7 01/10] clk: qcom: clk-alpha-pll: Add support for dynamic update for slewing PLLs Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250414-qcs615-mm-v7-clock-controllers-v7-1-ebab8e3a96e9@quicinc.com> References: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> In-Reply-To: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: X2oeM0gXALPcG5AZrZmmGi4UKTPqSTVC X-Authority-Analysis: v=2.4 cv=C7DpyRP+ c=1 sm=1 tr=0 ts=67fcca9d cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=COk6AnOGAAAA:8 a=mqrKFzemJvgpN0bEk_AA:9 a=QEXdDO2ut3YA:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: X2oeM0gXALPcG5AZrZmmGi4UKTPqSTVC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-14_02,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=999 priorityscore=1501 suspectscore=0 clxscore=1015 spamscore=0 bulkscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504140062 The alpha PLLs which slew to a new frequency at runtime would require the PLL to calibrate at the mid point of the VCO. Add the new PLL ops which can support the slewing of the PLL to a new frequency. Reviewed-by: Imran Shaik Signed-off-by: Taniya Das --- drivers/clk/qcom/clk-alpha-pll.c | 170 +++++++++++++++++++++++++++++++++++++++ drivers/clk/qcom/clk-alpha-pll.h | 1 + 2 files changed, 171 insertions(+) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index cec0afea8e446010f0d4140d4ef63121706dde47..5e4a755b849970281e7742ef83219b7eeaa406c3 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -2960,3 +2960,173 @@ const struct clk_ops clk_alpha_pll_regera_ops = { .set_rate = clk_zonda_pll_set_rate, }; EXPORT_SYMBOL_GPL(clk_alpha_pll_regera_ops); + +static int clk_alpha_pll_slew_update(struct clk_alpha_pll *pll) +{ + int ret; + u32 val; + + regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_UPDATE, PLL_UPDATE); + regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); + + ret = wait_for_pll_update(pll); + if (ret) + return ret; + /* + * Hardware programming mandates a wait of at least 570ns before polling the LOCK + * detect bit. Have a delay of 1us just to be safe. + */ + mb(); + udelay(1); + + return wait_for_pll_enable_lock(pll); +} + +static int clk_alpha_pll_slew_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + unsigned long freq_hz; + const struct pll_vco *curr_vco, *vco; + u32 l; + u64 a; + + freq_hz = alpha_pll_round_rate(rate, parent_rate, &l, &a, ALPHA_REG_BITWIDTH); + if (freq_hz != rate) { + pr_err("alpha_pll: Call clk_set_rate with rounded rates!\n"); + return -EINVAL; + } + + curr_vco = alpha_pll_find_vco(pll, clk_hw_get_rate(hw)); + if (!curr_vco) { + pr_err("alpha pll: not in a valid vco range\n"); + return -EINVAL; + } + + vco = alpha_pll_find_vco(pll, freq_hz); + if (!vco) { + pr_err("alpha pll: not in a valid vco range\n"); + return -EINVAL; + } + + /* + * Dynamic pll update will not support switching frequencies across + * vco ranges. In those cases fall back to normal alpha set rate. + */ + if (curr_vco->val != vco->val) + return clk_alpha_pll_set_rate(hw, rate, parent_rate); + + a <<= ALPHA_REG_BITWIDTH - ALPHA_BITWIDTH; + + regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), lower_32_bits(a)); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), upper_32_bits(a)); + + /* Ensure that the write above goes before slewing the PLL */ + mb(); + + if (clk_hw_is_enabled(hw)) + return clk_alpha_pll_slew_update(pll); + + return 0; +} + +/* + * Slewing plls should be bought up at frequency which is in the middle of the + * desired VCO range. So after bringing up the pll at calibration freq, set it + * back to desired frequency(that was set by previous clk_set_rate). + */ +static int clk_alpha_pll_calibrate(struct clk_hw *hw) +{ + unsigned long calibration_freq, freq_hz; + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + struct clk_hw *parent; + const struct pll_vco *vco; + u32 l; + int rc; + u64 a; + + parent = clk_hw_get_parent(hw); + if (!parent) { + pr_err("alpha pll: no valid parent found\n"); + return -EINVAL; + } + + vco = alpha_pll_find_vco(pll, clk_hw_get_rate(hw)); + if (!vco) { + pr_err("alpha pll: not in a valid vco range\n"); + return -EINVAL; + } + + /* + * As during slewing plls vco_sel won't be allowed to change, vco table + * should have only one entry table, i.e. index = 0, find the + * calibration frequency. + */ + calibration_freq = (pll->vco_table[0].min_freq + pll->vco_table[0].max_freq) / 2; + + freq_hz = alpha_pll_round_rate(calibration_freq, clk_hw_get_rate(parent), + &l, &a, ALPHA_REG_BITWIDTH); + if (freq_hz != calibration_freq) { + pr_err("alpha_pll: call clk_set_rate with rounded rates!\n"); + return -EINVAL; + } + + /* Setup PLL for calibration frequency */ + a <<= (ALPHA_REG_BITWIDTH - ALPHA_BITWIDTH); + + regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), lower_32_bits(a)); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), upper_32_bits(a)); + + regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_VCO_MASK << PLL_VCO_SHIFT, + vco->val << PLL_VCO_SHIFT); + + /* Bringup the pll at calibration frequency */ + rc = clk_alpha_pll_enable(hw); + if (rc) { + pr_err("alpha pll calibration failed\n"); + return rc; + } + + /* + * PLL is already running at calibration frequency. + * So slew pll to the previously set frequency. + */ + freq_hz = alpha_pll_round_rate(clk_hw_get_rate(hw), + clk_hw_get_rate(parent), &l, &a, ALPHA_REG_BITWIDTH); + + pr_debug("pll %s: setting back to required rate %lu, freq_hz %ld\n", + clk_hw_get_name(hw), clk_hw_get_rate(hw), freq_hz); + + /* Setup the PLL for the new frequency */ + a <<= (ALPHA_REG_BITWIDTH - ALPHA_BITWIDTH); + + regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), lower_32_bits(a)); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll), upper_32_bits(a)); + + regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_ALPHA_EN, PLL_ALPHA_EN); + + return clk_alpha_pll_slew_update(pll); +} + +static int clk_alpha_pll_slew_enable(struct clk_hw *hw) +{ + int rc; + + rc = clk_alpha_pll_calibrate(hw); + if (rc) + return rc; + + return clk_alpha_pll_enable(hw); +} + +const struct clk_ops clk_alpha_pll_slew_ops = { + .enable = clk_alpha_pll_slew_enable, + .disable = clk_alpha_pll_disable, + .recalc_rate = clk_alpha_pll_recalc_rate, + .round_rate = clk_alpha_pll_round_rate, + .set_rate = clk_alpha_pll_slew_set_rate, +}; +EXPORT_SYMBOL(clk_alpha_pll_slew_ops); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index 79aca8525262211ae5295245427d4540abf1e09a..1d19001605eb10fd8ae8041c56d951e928cbbe9f 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -204,6 +204,7 @@ extern const struct clk_ops clk_alpha_pll_rivian_evo_ops; #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops extern const struct clk_ops clk_alpha_pll_regera_ops; +extern const struct clk_ops clk_alpha_pll_slew_ops; void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); From patchwork Mon Apr 14 08:42:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taniya Das X-Patchwork-Id: 881039 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55BE425A2B5; Mon, 14 Apr 2025 08:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744620213; cv=none; b=UUK6lcO6AMpLHmFRAPxUXlvAdiicyRacwPprQxiuCRhoiqFwZvuCnkCOvgNr7N+p1CqiPv4Roi40nL7jxJ7zpIx2TzJHCCwI9NXpZB9GMHEOOvUrgEmyOhC7LXCCB852udbfe/ebaI3ac23wbD+k42g0CLSR99OrWY4f7oefa4k= ARC-Message-Signature: i=1; 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Mon, 14 Apr 2025 08:43:23 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Apr 2025 01:43:18 -0700 From: Taniya Das Date: Mon, 14 Apr 2025 14:12:15 +0530 Subject: [PATCH v7 04/10] dt-bindings: clock: Add Qualcomm QCS615 Display clock controller Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250414-qcs615-mm-v7-clock-controllers-v7-4-ebab8e3a96e9@quicinc.com> References: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> In-Reply-To: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: PUnwo0AgN29gdgjsqeotjBXCzhGT6G7z X-Authority-Analysis: v=2.4 cv=IZ6HWXqa c=1 sm=1 tr=0 ts=67fccaac cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=gEfo2CItAAAA:8 a=COk6AnOGAAAA:8 a=vHYOu0EEr4IEsFCh_qoA:9 a=QEXdDO2ut3YA:10 a=RVmHIydaz68A:10 a=sptkURWiP4Gy88Gu7hUp:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: PUnwo0AgN29gdgjsqeotjBXCzhGT6G7z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-14_02,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 spamscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 impostorscore=0 suspectscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504140062 Add DT bindings for the Display clock on QCS615 platforms. Add the relevant DT include definitions as well. Signed-off-by: Taniya Das --- .../bindings/clock/qcom,qcs615-dispcc.yaml | 63 ++++++++++++++++++++++ include/dt-bindings/clock/qcom,qcs615-dispcc.h | 52 ++++++++++++++++++ 2 files changed, 115 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml new file mode 100644 index 0000000000000000000000000000000000000000..74b9acd12474598e701c85ef6e7f208e1fc44ab6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,qcs615-dispcc.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,qcs615-dispcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display Clock & Reset Controller on QCS615 + +maintainers: + - Taniya Das + +description: | + Qualcomm display clock control module provides the clocks, resets and power + domains on QCS615 + + See also: include/dt-bindings/clock/qcom,qcs615-dispcc.h + +properties: + compatible: + const: qcom,qcs615-dispcc + + clocks: + items: + - description: Board XO source + - description: GPLL0 clock source from GCC + - description: Byte clock from DSI PHY0 + - description: Pixel clock from DSI PHY0 + - description: Pixel clock from DSI PHY1 + - description: Display port PLL link clock + - description: Display port PLL VCO DIV clock + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - '#reset-cells' + - '#power-domain-cells' + +allOf: + - $ref: qcom,gcc.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + #include + clock-controller@af00000 { + compatible = "qcom,qcs615-dispcc"; + reg = <0x0af00000 0x20000>; + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>, + <&mdss_dsi0_phy 0>, + <&mdss_dsi0_phy 1>, + <&mdss_dsi1_phy 0>, + <&mdss_dp_phy 0>, + <&mdss_dp_vco 0>; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; +... diff --git a/include/dt-bindings/clock/qcom,qcs615-dispcc.h b/include/dt-bindings/clock/qcom,qcs615-dispcc.h new file mode 100644 index 0000000000000000000000000000000000000000..9a29945c5762ce06285a2f4e6a55c13bfaadc5c2 --- /dev/null +++ b/include/dt-bindings/clock/qcom,qcs615-dispcc.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_QCS615_H +#define _DT_BINDINGS_CLK_QCOM_DISP_CC_QCS615_H + +/* DISP_CC clocks */ +#define DISP_CC_MDSS_AHB_CLK 0 +#define DISP_CC_MDSS_AHB_CLK_SRC 1 +#define DISP_CC_MDSS_BYTE0_CLK 2 +#define DISP_CC_MDSS_BYTE0_CLK_SRC 3 +#define DISP_CC_MDSS_BYTE0_DIV_CLK_SRC 4 +#define DISP_CC_MDSS_BYTE0_INTF_CLK 5 +#define DISP_CC_MDSS_DP_AUX_CLK 6 +#define DISP_CC_MDSS_DP_AUX_CLK_SRC 7 +#define DISP_CC_MDSS_DP_CRYPTO_CLK 8 +#define DISP_CC_MDSS_DP_CRYPTO_CLK_SRC 9 +#define DISP_CC_MDSS_DP_LINK_CLK 10 +#define DISP_CC_MDSS_DP_LINK_CLK_SRC 11 +#define DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC 12 +#define DISP_CC_MDSS_DP_LINK_INTF_CLK 13 +#define DISP_CC_MDSS_DP_PIXEL1_CLK 14 +#define DISP_CC_MDSS_DP_PIXEL1_CLK_SRC 15 +#define DISP_CC_MDSS_DP_PIXEL_CLK 16 +#define DISP_CC_MDSS_DP_PIXEL_CLK_SRC 17 +#define DISP_CC_MDSS_ESC0_CLK 18 +#define DISP_CC_MDSS_ESC0_CLK_SRC 19 +#define DISP_CC_MDSS_MDP_CLK 20 +#define DISP_CC_MDSS_MDP_CLK_SRC 21 +#define DISP_CC_MDSS_MDP_LUT_CLK 22 +#define DISP_CC_MDSS_NON_GDSC_AHB_CLK 23 +#define DISP_CC_MDSS_PCLK0_CLK 24 +#define DISP_CC_MDSS_PCLK0_CLK_SRC 25 +#define DISP_CC_MDSS_ROT_CLK 26 +#define DISP_CC_MDSS_ROT_CLK_SRC 27 +#define DISP_CC_MDSS_RSCC_AHB_CLK 28 +#define DISP_CC_MDSS_RSCC_VSYNC_CLK 29 +#define DISP_CC_MDSS_VSYNC_CLK 30 +#define DISP_CC_MDSS_VSYNC_CLK_SRC 31 +#define DISP_CC_PLL0 32 +#define DISP_CC_XO_CLK 33 + +/* DISP_CC power domains */ +#define MDSS_CORE_GDSC 0 + +/* DISP_CC resets */ +#define DISP_CC_MDSS_CORE_BCR 0 +#define DISP_CC_MDSS_RSCC_BCR 1 + +#endif From patchwork Mon Apr 14 08:42:16 2025 Content-Type: text/plain; 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Mon, 14 Apr 2025 08:43:28 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Apr 2025 01:43:23 -0700 From: Taniya Das Date: Mon, 14 Apr 2025 14:12:16 +0530 Subject: [PATCH v7 05/10] clk: qcom: dispcc-qcs615: Add QCS615 display clock controller driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250414-qcs615-mm-v7-clock-controllers-v7-5-ebab8e3a96e9@quicinc.com> References: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> In-Reply-To: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das , Dmitry Baryshkov X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: GriqOl6tVMQc4RVag53QH_auvtS9Pxf5 X-Authority-Analysis: v=2.4 cv=IZ6HWXqa c=1 sm=1 tr=0 ts=67fccab1 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=jVXCOB4ohcyo8XjuOqgA:9 a=QEXdDO2ut3YA:10 a=RVmHIydaz68A:10 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: GriqOl6tVMQc4RVag53QH_auvtS9Pxf5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-14_02,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1011 malwarescore=0 spamscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 impostorscore=0 suspectscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504140062 Add support for the display clock controller for display clients to be able to request for the clocks on QCS615 platform. Reviewed-by: Dmitry Baryshkov Signed-off-by: Taniya Das --- drivers/clk/qcom/Kconfig | 9 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/dispcc-qcs615.c | 786 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 796 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 964747f5e7bec0f18951ddec0d7a92c195589bf3..7d411756de86cbd0b21477c339740675c2f34b5c 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -493,6 +493,15 @@ config QCM_DISPCC_2290 Say Y if you want to support display devices and functionality such as splash screen. +config QCS_DISPCC_615 + tristate "QCS615 Display Clock Controller" + select QCM_GCC_615 + help + Support for the display clock controller on Qualcomm Technologies, Inc + QCS615 devices. + Say Y if you want to support display devices and functionality such as + splash screen. + config QCS_CAMCC_615 tristate "QCS615 Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index ce5dcccd2c513026ac0f5c01fb70690c184b992a..a134cddaebc97ddd11d0c19cb0360490403a40b6 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -73,6 +73,7 @@ obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o obj-$(CONFIG_QCM_GCC_2290) += gcc-qcm2290.o obj-$(CONFIG_QCM_DISPCC_2290) += dispcc-qcm2290.o +obj-$(CONFIG_QCS_DISPCC_615) += dispcc-qcs615.o obj-$(CONFIG_QCS_CAMCC_615) += camcc-qcs615.o obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o obj-$(CONFIG_QCS_GCC_615) += gcc-qcs615.o diff --git a/drivers/clk/qcom/dispcc-qcs615.c b/drivers/clk/qcom/dispcc-qcs615.c new file mode 100644 index 0000000000000000000000000000000000000000..d4b4ecb769883423f416c131ba1c53945e5a1320 --- /dev/null +++ b/drivers/clk/qcom/dispcc-qcs615.c @@ -0,0 +1,786 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_GPLL0, + DT_DSI0_PHY_PLL_OUT_BYTECLK, + DT_DSI0_PHY_PLL_OUT_DSICLK, + DT_DSI1_PHY_PLL_OUT_DSICLK, + DT_DP_PHY_PLL_LINK_CLK, + DT_DP_PHY_PLL_VCO_DIV_CLK, +}; + +enum { + P_BI_TCXO, + P_DISP_CC_PLL0_OUT_MAIN, + P_DP_PHY_PLL_LINK_CLK, + P_DP_PHY_PLL_VCO_DIV_CLK, + P_DSI0_PHY_PLL_OUT_BYTECLK, + P_DSI0_PHY_PLL_OUT_DSICLK, + P_DSI1_PHY_PLL_OUT_DSICLK, + P_GPLL0_OUT_MAIN, +}; + +static const struct pll_vco disp_cc_pll_vco[] = { + { 500000000, 1000000000, 2 }, +}; + +/* 576MHz configuration VCO - 2 */ +static struct alpha_pll_config disp_cc_pll0_config = { + .l = 0x1e, + .vco_val = BIT(21), + .vco_mask = GENMASK(21, 20), + .main_output_mask = BIT(0), + .config_ctl_val = 0x4001055b, + .test_ctl_hi_val = 0x1, + .test_ctl_hi_mask = 0x1, +}; + +static struct clk_alpha_pll disp_cc_pll0 = { + .offset = 0x0, + .vco_table = disp_cc_pll_vco, + .num_vco = ARRAY_SIZE(disp_cc_pll_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, + }, + }, +}; + +static const struct parent_map disp_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_DP_PHY_PLL_LINK_CLK, 1 }, + { P_DP_PHY_PLL_VCO_DIV_CLK, 2 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_0[] = { + { .index = DT_BI_TCXO }, + { .index = DT_DP_PHY_PLL_LINK_CLK }, + { .index = DT_DP_PHY_PLL_VCO_DIV_CLK }, +}; + +static const struct parent_map disp_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, +}; + +static const struct parent_map disp_cc_parent_map_2[] = { + { P_BI_TCXO, 0 }, + { P_DSI0_PHY_PLL_OUT_BYTECLK, 1 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_2[] = { + { .index = DT_BI_TCXO }, + { .index = DT_DSI0_PHY_PLL_OUT_BYTECLK }, +}; + +static const struct parent_map disp_cc_parent_map_3[] = { + { P_BI_TCXO, 0 }, + { P_DISP_CC_PLL0_OUT_MAIN, 1 }, + { P_GPLL0_OUT_MAIN, 4 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_3[] = { + { .index = DT_BI_TCXO }, + { .hw = &disp_cc_pll0.clkr.hw }, + { .index = DT_GPLL0 }, +}; + +static const struct parent_map disp_cc_parent_map_4[] = { + { P_BI_TCXO, 0 }, + { P_GPLL0_OUT_MAIN, 4 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_4[] = { + { .index = DT_BI_TCXO }, + { .index = DT_GPLL0 }, +}; + +static const struct parent_map disp_cc_parent_map_5[] = { + { P_BI_TCXO, 0 }, + { P_DSI0_PHY_PLL_OUT_DSICLK, 1 }, + { P_DSI1_PHY_PLL_OUT_DSICLK, 2 }, +}; + +static const struct clk_parent_data disp_cc_parent_data_5[] = { + { .index = DT_BI_TCXO }, + { .index = DT_DSI0_PHY_PLL_OUT_DSICLK }, + { .index = DT_DSI1_PHY_PLL_OUT_DSICLK }, +}; + +static const struct freq_tbl ftbl_disp_cc_mdss_ahb_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(37500000, P_GPLL0_OUT_MAIN, 8, 0, 0), + F(75000000, P_GPLL0_OUT_MAIN, 4, 0, 0), + { } +}; + +static struct clk_rcg2 disp_cc_mdss_ahb_clk_src = { + .cmd_rcgr = 0x2170, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_4, + .freq_tbl = ftbl_disp_cc_mdss_ahb_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_ahb_clk_src", + .parent_data = disp_cc_parent_data_4, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_4), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = { + .cmd_rcgr = 0x20c0, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_2, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_byte0_clk_src", + .parent_data = disp_cc_parent_data_2, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_2), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_byte2_ops, + }, +}; + +static const struct freq_tbl ftbl_disp_cc_mdss_dp_aux1_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 disp_cc_mdss_dp_aux_clk_src = { + .cmd_rcgr = 0x2158, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_1, + .freq_tbl = ftbl_disp_cc_mdss_dp_aux1_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "disp_cc_mdss_dp_aux_clk_src", + .parent_data = disp_cc_parent_data_1, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_1), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_dp_crypto_clk_src = { + .cmd_rcgr = 0x2110, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_0, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_crypto_clk_src", + .parent_data = disp_cc_parent_data_0, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0), + .ops = &clk_byte2_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_dp_link_clk_src = { + .cmd_rcgr = 0x20f4, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_0, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_link_clk_src", + .parent_data = disp_cc_parent_data_0, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_byte2_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_dp_pixel1_clk_src = { + .cmd_rcgr = 0x2140, + .mnd_width = 16, + .hid_width = 5, + .parent_map = disp_cc_parent_map_0, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_pixel1_clk_src", + .parent_data = disp_cc_parent_data_0, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_dp_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_dp_pixel_clk_src = { + .cmd_rcgr = 0x2128, + .mnd_width = 16, + .hid_width = 5, + .parent_map = disp_cc_parent_map_0, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_pixel_clk_src", + .parent_data = disp_cc_parent_data_0, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_dp_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = { + .cmd_rcgr = 0x20dc, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_2, + .freq_tbl = ftbl_disp_cc_mdss_dp_aux1_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "disp_cc_mdss_esc0_clk_src", + .parent_data = disp_cc_parent_data_2, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_2), + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(192000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0), + F(256000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0), + F(307000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0), + { } +}; + +static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = { + .cmd_rcgr = 0x2078, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_3, + .freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_mdp_clk_src", + .parent_data = disp_cc_parent_data_3, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_3), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = { + .cmd_rcgr = 0x2060, + .mnd_width = 8, + .hid_width = 5, + .parent_map = disp_cc_parent_map_5, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_pclk0_clk_src", + .parent_data = disp_cc_parent_data_5, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_5), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_pixel_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_rot_clk_src = { + .cmd_rcgr = 0x2090, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_3, + .freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_rot_clk_src", + .parent_data = disp_cc_parent_data_3, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_3), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = { + .cmd_rcgr = 0x20a8, + .mnd_width = 0, + .hid_width = 5, + .parent_map = disp_cc_parent_map_1, + .freq_tbl = ftbl_disp_cc_mdss_dp_aux1_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "disp_cc_mdss_vsync_clk_src", + .parent_data = disp_cc_parent_data_1, + .num_parents = ARRAY_SIZE(disp_cc_parent_data_1), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = { + .reg = 0x20d8, + .shift = 0, + .width = 2, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_byte0_div_clk_src", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_byte0_clk_src.clkr.hw, + }, + .num_parents = 1, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div disp_cc_mdss_dp_link_div_clk_src = { + .reg = 0x210c, + .shift = 0, + .width = 2, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_link_div_clk_src", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_link_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_branch disp_cc_mdss_ahb_clk = { + .halt_reg = 0x2048, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2048, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_ahb_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_ahb_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_byte0_clk = { + .halt_reg = 0x2024, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2024, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_byte0_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_byte0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_byte0_intf_clk = { + .halt_reg = 0x2028, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2028, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_byte0_intf_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_byte0_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_aux_clk = { + .halt_reg = 0x2044, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2044, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_aux_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_aux_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_crypto_clk = { + .halt_reg = 0x2038, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2038, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_crypto_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_crypto_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_link_clk = { + .halt_reg = 0x2030, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2030, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_link_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_link_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_link_intf_clk = { + .halt_reg = 0x2034, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2034, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_link_intf_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_link_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_pixel1_clk = { + .halt_reg = 0x2040, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2040, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_pixel1_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_pixel1_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_dp_pixel_clk = { + .halt_reg = 0x203c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x203c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_dp_pixel_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_dp_pixel_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_esc0_clk = { + .halt_reg = 0x202c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x202c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_esc0_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_esc0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_mdp_clk = { + .halt_reg = 0x2008, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2008, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_mdp_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_mdp_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_mdp_lut_clk = { + .halt_reg = 0x2018, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2018, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_mdp_lut_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_mdp_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_non_gdsc_ahb_clk = { + .halt_reg = 0x4004, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x4004, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_non_gdsc_ahb_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_ahb_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_pclk0_clk = { + .halt_reg = 0x2004, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2004, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_pclk0_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_pclk0_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_rot_clk = { + .halt_reg = 0x2010, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2010, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_rot_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_rot_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_rscc_ahb_clk = { + .halt_reg = 0x400c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x400c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_rscc_ahb_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_ahb_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_rscc_vsync_clk = { + .halt_reg = 0x4008, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x4008, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_rscc_vsync_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_vsync_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch disp_cc_mdss_vsync_clk = { + .halt_reg = 0x2020, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x2020, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "disp_cc_mdss_vsync_clk", + .parent_hws = (const struct clk_hw*[]) { + &disp_cc_mdss_vsync_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc mdss_core_gdsc = { + .gdscr = 0x3000, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0xf, + .pd = { + .name = "mdss_core_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL | POLL_CFG_GDSCR, +}; + +static struct clk_regmap *disp_cc_qcs615_clocks[] = { + [DISP_CC_MDSS_AHB_CLK] = &disp_cc_mdss_ahb_clk.clkr, + [DISP_CC_MDSS_AHB_CLK_SRC] = &disp_cc_mdss_ahb_clk_src.clkr, + [DISP_CC_MDSS_BYTE0_CLK] = &disp_cc_mdss_byte0_clk.clkr, + [DISP_CC_MDSS_BYTE0_CLK_SRC] = &disp_cc_mdss_byte0_clk_src.clkr, + [DISP_CC_MDSS_BYTE0_DIV_CLK_SRC] = &disp_cc_mdss_byte0_div_clk_src.clkr, + [DISP_CC_MDSS_BYTE0_INTF_CLK] = &disp_cc_mdss_byte0_intf_clk.clkr, + [DISP_CC_MDSS_DP_AUX_CLK] = &disp_cc_mdss_dp_aux_clk.clkr, + [DISP_CC_MDSS_DP_AUX_CLK_SRC] = &disp_cc_mdss_dp_aux_clk_src.clkr, + [DISP_CC_MDSS_DP_CRYPTO_CLK] = &disp_cc_mdss_dp_crypto_clk.clkr, + [DISP_CC_MDSS_DP_CRYPTO_CLK_SRC] = &disp_cc_mdss_dp_crypto_clk_src.clkr, + [DISP_CC_MDSS_DP_LINK_CLK] = &disp_cc_mdss_dp_link_clk.clkr, + [DISP_CC_MDSS_DP_LINK_CLK_SRC] = &disp_cc_mdss_dp_link_clk_src.clkr, + [DISP_CC_MDSS_DP_LINK_DIV_CLK_SRC] = &disp_cc_mdss_dp_link_div_clk_src.clkr, + [DISP_CC_MDSS_DP_LINK_INTF_CLK] = &disp_cc_mdss_dp_link_intf_clk.clkr, + [DISP_CC_MDSS_DP_PIXEL1_CLK] = &disp_cc_mdss_dp_pixel1_clk.clkr, + [DISP_CC_MDSS_DP_PIXEL1_CLK_SRC] = &disp_cc_mdss_dp_pixel1_clk_src.clkr, + [DISP_CC_MDSS_DP_PIXEL_CLK] = &disp_cc_mdss_dp_pixel_clk.clkr, + [DISP_CC_MDSS_DP_PIXEL_CLK_SRC] = &disp_cc_mdss_dp_pixel_clk_src.clkr, + [DISP_CC_MDSS_ESC0_CLK] = &disp_cc_mdss_esc0_clk.clkr, + [DISP_CC_MDSS_ESC0_CLK_SRC] = &disp_cc_mdss_esc0_clk_src.clkr, + [DISP_CC_MDSS_MDP_CLK] = &disp_cc_mdss_mdp_clk.clkr, + [DISP_CC_MDSS_MDP_CLK_SRC] = &disp_cc_mdss_mdp_clk_src.clkr, + [DISP_CC_MDSS_MDP_LUT_CLK] = &disp_cc_mdss_mdp_lut_clk.clkr, + [DISP_CC_MDSS_NON_GDSC_AHB_CLK] = &disp_cc_mdss_non_gdsc_ahb_clk.clkr, + [DISP_CC_MDSS_PCLK0_CLK] = &disp_cc_mdss_pclk0_clk.clkr, + [DISP_CC_MDSS_PCLK0_CLK_SRC] = &disp_cc_mdss_pclk0_clk_src.clkr, + [DISP_CC_MDSS_ROT_CLK] = &disp_cc_mdss_rot_clk.clkr, + [DISP_CC_MDSS_ROT_CLK_SRC] = &disp_cc_mdss_rot_clk_src.clkr, + [DISP_CC_MDSS_RSCC_AHB_CLK] = &disp_cc_mdss_rscc_ahb_clk.clkr, + [DISP_CC_MDSS_RSCC_VSYNC_CLK] = &disp_cc_mdss_rscc_vsync_clk.clkr, + [DISP_CC_MDSS_VSYNC_CLK] = &disp_cc_mdss_vsync_clk.clkr, + [DISP_CC_MDSS_VSYNC_CLK_SRC] = &disp_cc_mdss_vsync_clk_src.clkr, + [DISP_CC_PLL0] = &disp_cc_pll0.clkr, +}; + +static struct gdsc *disp_cc_qcs615_gdscs[] = { + [MDSS_CORE_GDSC] = &mdss_core_gdsc, +}; + +static const struct regmap_config disp_cc_qcs615_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x10000, + .fast_io = true, +}; + +static const struct qcom_cc_desc disp_cc_qcs615_desc = { + .config = &disp_cc_qcs615_regmap_config, + .clks = disp_cc_qcs615_clocks, + .num_clks = ARRAY_SIZE(disp_cc_qcs615_clocks), + .gdscs = disp_cc_qcs615_gdscs, + .num_gdscs = ARRAY_SIZE(disp_cc_qcs615_gdscs), +}; + +static const struct of_device_id disp_cc_qcs615_match_table[] = { + { .compatible = "qcom,qcs615-dispcc" }, + { } +}; +MODULE_DEVICE_TABLE(of, disp_cc_qcs615_match_table); + +static int disp_cc_qcs615_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &disp_cc_qcs615_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_alpha_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); + + /* Keep some clocks always enabled */ + qcom_branch_set_clk_en(regmap, 0x6054); 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Mon, 14 Apr 2025 08:43:39 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 53E8hcpw014229 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Apr 2025 08:43:38 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Apr 2025 01:43:33 -0700 From: Taniya Das Date: Mon, 14 Apr 2025 14:12:18 +0530 Subject: [PATCH v7 07/10] clk: qcom: gpucc-qcs615: Add QCS615 graphics clock controller driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250414-qcs615-mm-v7-clock-controllers-v7-7-ebab8e3a96e9@quicinc.com> References: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> In-Reply-To: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das , Dmitry Baryshkov X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: LDY7nALlhQwjVn96oH-DKxd1-BGqg8nE X-Proofpoint-GUID: LDY7nALlhQwjVn96oH-DKxd1-BGqg8nE X-Authority-Analysis: v=2.4 cv=I+plRMgg c=1 sm=1 tr=0 ts=67fccabb cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=GZaa1IzHA2Sq2DbDnwgA:9 a=QEXdDO2ut3YA:10 a=RVmHIydaz68A:10 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-14_02,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 clxscore=1011 impostorscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504140062 Add support for the graphics clock controller for graphics clients to be able to request for the clocks on QCS615 platform. Reviewed-by: Dmitry Baryshkov Signed-off-by: Taniya Das --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/gpucc-qcs615.c | 525 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 534 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 7d411756de86cbd0b21477c339740675c2f34b5c..2dd2937fd2a75e2ac4a72a45f5580f49dbb83fa0 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -548,6 +548,14 @@ config QCS_GCC_615 Say Y if you want to use multimedia devices or peripheral devices such as UART, SPI, I2C, USB, SD/eMMC, PCIe etc. +config QCS_GPUCC_615 + tristate "QCS615 Graphics clock controller" + select QCS_GCC_615 + help + Support for the graphics clock controller on QCS615 devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + config SC_CAMCC_7180 tristate "SC7180 Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index a134cddaebc97ddd11d0c19cb0360490403a40b6..f2b95008ee4e682bb3eb67ec9774d0feb05aef3f 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_QCS_CAMCC_615) += camcc-qcs615.o obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o obj-$(CONFIG_QCS_GCC_615) += gcc-qcs615.o obj-$(CONFIG_QCS_GCC_8300) += gcc-qcs8300.o +obj-$(CONFIG_QCS_GPUCC_615) += gpucc-qcs615.o obj-$(CONFIG_QCS_Q6SSTOP_404) += q6sstop-qcs404.o obj-$(CONFIG_QCS_TURING_404) += turingcc-qcs404.o obj-$(CONFIG_QDU_ECPRICC_1000) += ecpricc-qdu1000.o diff --git a/drivers/clk/qcom/gpucc-qcs615.c b/drivers/clk/qcom/gpucc-qcs615.c new file mode 100644 index 0000000000000000000000000000000000000000..3e7a51493da73e7b718303a351c711d9d108c6a2 --- /dev/null +++ b/drivers/clk/qcom/gpucc-qcs615.c @@ -0,0 +1,525 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_GPLL0_OUT_MAIN, + DT_GPLL0_OUT_MAIN_DIV, +}; + +enum { + P_BI_TCXO, + P_GPLL0_OUT_MAIN, + P_GPLL0_OUT_MAIN_DIV, + P_GPU_CC_PLL0_2X_CLK, + P_CRC_DIV_PLL0_OUT_AUX2, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL1_OUT_AUX, + P_CRC_DIV_PLL1_OUT_AUX2, + P_GPU_CC_PLL1_OUT_MAIN, +}; + +static const struct pll_vco gpu_cc_pll0_vco[] = { + { 1000000000, 2100000000, 0 }, +}; + +static struct pll_vco gpu_cc_pll1_vco[] = { + { 500000000, 1000000000, 2 }, +}; + +/* 1020MHz configuration VCO - 0 */ +static struct alpha_pll_config gpu_cc_pll0_config = { + .l = 0x35, + .config_ctl_val = 0x4001055b, + .test_ctl_hi_val = 0x1, + .test_ctl_hi_mask = 0x1, + .alpha_hi = 0x20, + .alpha = 0x00, + .alpha_en_mask = BIT(24), + .vco_val = 0x0, + .vco_mask = GENMASK(21, 20), + .aux2_output_mask = BIT(2), +}; + +static struct clk_alpha_pll gpu_cc_pll0 = { + .offset = 0x0, + .vco_table = gpu_cc_pll0_vco, + .num_vco = ARRAY_SIZE(gpu_cc_pll0_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, + }, + }, +}; + +/* 930MHz configuration VCO - 2 */ +static struct alpha_pll_config gpu_cc_pll1_config = { + .l = 0x30, + .config_ctl_val = 0x4001055b, + .test_ctl_hi_val = 0x1, + .test_ctl_hi_mask = 0x1, + .alpha_hi = 0x70, + .alpha = 0x00, + .alpha_en_mask = BIT(24), + .vco_val = BIT(21), + .vco_mask = GENMASK(21, 20), + .aux2_output_mask = BIT(2), +}; + +static struct clk_alpha_pll gpu_cc_pll1 = { + .offset = 0x100, + .vco_table = gpu_cc_pll1_vco, + .num_vco = ARRAY_SIZE(gpu_cc_pll1_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, + }, + } +}; + +/* Clock Ramp Controller */ +static struct clk_fixed_factor crc_div_pll0 = { + .mult = 1, + .div = 2, + .hw.init = &(struct clk_init_data){ + .name = "crc_div_pll0", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_pll0.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_fixed_factor_ops, + }, +}; + +/* Clock Ramp Controller */ +static struct clk_fixed_factor crc_div_pll1 = { + .mult = 1, + .div = 2, + .hw.init = &(struct clk_init_data){ + .name = "crc_div_pll1", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_pll1.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_fixed_factor_ops, + }, +}; + +static const struct parent_map gpu_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_MAIN, 1 }, + { P_GPU_CC_PLL1_OUT_MAIN, 3 }, + { P_GPLL0_OUT_MAIN, 5 }, + { P_GPLL0_OUT_MAIN_DIV, 6 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_0[] = { + { .index = DT_BI_TCXO }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .index = DT_GPLL0_OUT_MAIN }, + { .index = DT_GPLL0_OUT_MAIN_DIV }, +}; + +static const struct parent_map gpu_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_2X_CLK, 1 }, + { P_CRC_DIV_PLL0_OUT_AUX2, 2 }, + { P_GPU_CC_PLL1_OUT_AUX, 3 }, + { P_CRC_DIV_PLL1_OUT_AUX2, 4 }, + { P_GPLL0_OUT_MAIN, 5 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &crc_div_pll0.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .hw = &crc_div_pll1.hw }, + { .index = DT_GPLL0_OUT_MAIN }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { + F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gmu_clk_src = { + .cmd_rcgr = 0x1120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_0, + .freq_tbl = ftbl_gpu_cc_gmu_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_gmu_clk_src", + .parent_data = gpu_cc_parent_data_0, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gx_gfx3d_clk_src[] = { + F(290000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0), + F(350000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0), + F(435000000, P_CRC_DIV_PLL1_OUT_AUX2, 1, 0, 0), + F(500000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(550000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(650000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(700000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(745000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(845000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + F(895000000, P_CRC_DIV_PLL0_OUT_AUX2, 1, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gx_gfx3d_clk_src = { + .cmd_rcgr = 0x101c, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_1, + .freq_tbl = ftbl_gpu_cc_gx_gfx3d_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_gx_gfx3d_clk_src", + .parent_data = gpu_cc_parent_data_1, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1), + .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_branch gpu_cc_crc_ahb_clk = { + .halt_reg = 0x107c, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x107c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_crc_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gfx3d_clk = { + .halt_reg = 0x10a4, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a4, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_cx_gfx3d_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gfx3d_slv_clk = { + .halt_reg = 0x10a8, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a8, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_cx_gfx3d_slv_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gmu_clk = { + .halt_reg = 0x1098, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1098, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_cx_gmu_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x108c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_cx_snoc_dvm_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_aon_clk = { + .halt_reg = 0x1004, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x1004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_aon_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_clk = { + .halt_reg = 0x109c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x109c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_cxo_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_gfx3d_clk = { + .halt_reg = 0x1054, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x1054, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_gx_gfx3d_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpu_cc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_gmu_clk = { + .halt_reg = 0x1064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1064, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_gx_gmu_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = { + .halt_reg = 0x5000, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x5000, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_sleep_clk = { + .halt_reg = 0x1090, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x1090, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "gpu_cc_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +struct clk_hw *gpu_cc_sm6150_hws[] = { + [CRC_DIV_PLL0] = &crc_div_pll0.hw, + [CRC_DIV_PLL1] = &crc_div_pll1.hw, +}; + +static struct gdsc cx_gdsc = { + .gdscr = 0x106c, + .gds_hw_ctrl = 0x1540, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x8, + .pd = { + .name = "cx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = POLL_CFG_GDSCR, +}; + +static struct gdsc gx_gdsc = { + .gdscr = 0x100c, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x2, + .pd = { + .name = "gx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = POLL_CFG_GDSCR, +}; + +static struct clk_regmap *gpu_cc_qcs615_clocks[] = { + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr, + [GPU_CC_CX_GFX3D_CLK] = &gpu_cc_cx_gfx3d_clk.clkr, + [GPU_CC_CX_GFX3D_SLV_CLK] = &gpu_cc_cx_gfx3d_slv_clk.clkr, + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr, + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr, + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr, + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr, + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, + [GPU_CC_GX_GFX3D_CLK] = &gpu_cc_gx_gfx3d_clk.clkr, + [GPU_CC_GX_GFX3D_CLK_SRC] = &gpu_cc_gx_gfx3d_clk_src.clkr, + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr, + [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr, + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr, + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr, + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr, +}; + +static struct gdsc *gpu_cc_qcs615_gdscs[] = { + [CX_GDSC] = &cx_gdsc, + [GX_GDSC] = &gx_gdsc, +}; + +static const struct qcom_reset_map gpu_cc_qcs615_resets[] = { + [GPU_CC_CX_BCR] = { 0x1068 }, + [GPU_CC_GFX3D_AON_BCR] = { 0x10a0 }, + [GPU_CC_GMU_BCR] = { 0x111c }, + [GPU_CC_GX_BCR] = { 0x1008 }, + [GPU_CC_XO_BCR] = { 0x1000 }, +}; + +static const struct regmap_config gpu_cc_qcs615_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x7008, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpu_cc_qcs615_desc = { + .config = &gpu_cc_qcs615_regmap_config, + .clks = gpu_cc_qcs615_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_qcs615_clocks), + .clk_hws = gpu_cc_sm6150_hws, + .num_clk_hws = ARRAY_SIZE(gpu_cc_sm6150_hws), + .resets = gpu_cc_qcs615_resets, + .num_resets = ARRAY_SIZE(gpu_cc_qcs615_resets), + .gdscs = gpu_cc_qcs615_gdscs, + .num_gdscs = ARRAY_SIZE(gpu_cc_qcs615_gdscs), +}; + +static const struct of_device_id gpu_cc_qcs615_match_table[] = { + { .compatible = "qcom,qcs615-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_qcs615_match_table); + +static void configure_crc(struct regmap *regmap) +{ + /* Recommended WAKEUP/SLEEP settings for the gpu_cc_cx_gmu_clk */ + regmap_update_bits(regmap, gpu_cc_cx_gmu_clk.clkr.enable_reg, 0xff0, 0xff0); + + /* + * After POR, Clock Ramp Controller(CRC) will be in bypass mode. + * Software needs to do the following operation to enable the CRC + * for GFX3D clock and divide the input clock by div by 2. + */ + regmap_update_bits(regmap, 0x1028, 0x00015011, 0x00015011); + regmap_update_bits(regmap, 0x1024, 0x00800000, 0x00800000); +} + +static int gpu_cc_qcs615_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &gpu_cc_qcs615_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_alpha_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config); + clk_alpha_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); + + /* Keep some clocks always enabled */ + qcom_branch_set_clk_en(regmap, 0x1078); /* GPU_CC_AHB_CLK */ + + configure_crc(regmap); + + return qcom_cc_really_probe(&pdev->dev, &gpu_cc_qcs615_desc, regmap); +} + +static struct platform_driver gpu_cc_qcs615_driver = { + .probe = gpu_cc_qcs615_probe, + .driver = { + .name = "gpucc-qcs615", + .of_match_table = gpu_cc_qcs615_match_table, + }, +}; + +module_platform_driver(gpu_cc_qcs615_driver); + +MODULE_DESCRIPTION("QTI GPUCC QCS615 Driver"); +MODULE_LICENSE("GPL"); From patchwork Mon Apr 14 08:42:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taniya Das X-Patchwork-Id: 881036 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA9F026A1CA; Mon, 14 Apr 2025 08:43:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; 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Mon, 14 Apr 2025 08:43:49 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 53E8hn37032680 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Apr 2025 08:43:49 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Apr 2025 01:43:43 -0700 From: Taniya Das Date: Mon, 14 Apr 2025 14:12:20 +0530 Subject: [PATCH v7 09/10] clk: qcom: videocc-qcs615: Add QCS615 video clock controller driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250414-qcs615-mm-v7-clock-controllers-v7-9-ebab8e3a96e9@quicinc.com> References: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> In-Reply-To: <20250414-qcs615-mm-v7-clock-controllers-v7-0-ebab8e3a96e9@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das , Bryan O'Donoghue , Dmitry Baryshkov X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Authority-Analysis: v=2.4 cv=WecMa1hX c=1 sm=1 tr=0 ts=67fccac5 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=JAwqC2qxYZ4pZjR4haUA:9 a=QEXdDO2ut3YA:10 a=RVmHIydaz68A:10 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: cnfMWYZn0kHVZWd5VwdKlSpKUZ5PQXru X-Proofpoint-ORIG-GUID: cnfMWYZn0kHVZWd5VwdKlSpKUZ5PQXru X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-14_02,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504140062 Add support for the video clock controller for video clients to be able to request for the clocks on QCS615 platform. Reviewed-by: Bryan O'Donoghue Reviewed-by: Dmitry Baryshkov Signed-off-by: Taniya Das --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-qcs615.c | 332 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 341 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 2dd2937fd2a75e2ac4a72a45f5580f49dbb83fa0..b739f77b8555326464b2ae56b73d8ba9cca870d0 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -556,6 +556,14 @@ config QCS_GPUCC_615 Say Y if you want to support graphics controller devices and functionality such as 3D graphics. +config QCS_VIDEOCC_615 + tristate "QCS615 Video Clock Controller" + select QCS_GCC_615 + help + Support for the video clock controller on QCS615 devices. + Say Y if you want to support video devices and functionality such as + video encode and decode. + config SC_CAMCC_7180 tristate "SC7180 Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index f2b95008ee4e682bb3eb67ec9774d0feb05aef3f..76b3af774a17539ef57f939b816d005d96dd779e 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -79,6 +79,7 @@ obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o obj-$(CONFIG_QCS_GCC_615) += gcc-qcs615.o obj-$(CONFIG_QCS_GCC_8300) += gcc-qcs8300.o obj-$(CONFIG_QCS_GPUCC_615) += gpucc-qcs615.o +obj-$(CONFIG_QCS_VIDEOCC_615) += videocc-qcs615.o obj-$(CONFIG_QCS_Q6SSTOP_404) += q6sstop-qcs404.o obj-$(CONFIG_QCS_TURING_404) += turingcc-qcs404.o obj-$(CONFIG_QDU_ECPRICC_1000) += ecpricc-qdu1000.o diff --git a/drivers/clk/qcom/videocc-qcs615.c b/drivers/clk/qcom/videocc-qcs615.c new file mode 100644 index 0000000000000000000000000000000000000000..14704185d9fa2548ade7dd60f4f9f5d378bb0938 --- /dev/null +++ b/drivers/clk/qcom/videocc-qcs615.c @@ -0,0 +1,332 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_SLEEP_CLK, +}; + +enum { + P_BI_TCXO, + P_SLEEP_CLK, + P_VIDEO_PLL0_OUT_AUX, + P_VIDEO_PLL0_OUT_AUX2, + P_VIDEO_PLL0_OUT_MAIN, +}; + +static const struct pll_vco video_cc_pll0_vco[] = { + { 500000000, 1000000000, 2 }, +}; + +/* 600MHz configuration VCO - 2 */ +static struct alpha_pll_config video_pll0_config = { + .l = 0x1f, + .alpha_hi = 0x40, + .alpha = 0x00, + .alpha_en_mask = BIT(24), + .vco_val = BIT(21), + .vco_mask = GENMASK(21, 20), + .main_output_mask = BIT(0), + .config_ctl_val = 0x4001055b, + .test_ctl_hi_val = 0x1, + .test_ctl_hi_mask = 0x1, +}; + +static struct clk_alpha_pll video_pll0 = { + .offset = 0x42c, + .vco_table = video_cc_pll0_vco, + .num_vco = ARRAY_SIZE(video_cc_pll0_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "video_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, + }, + }, +}; + +static const struct parent_map video_cc_parent_map_0[] = { + { P_SLEEP_CLK, 0 }, +}; + +static const struct clk_parent_data video_cc_parent_data_0_ao[] = { + { .index = DT_SLEEP_CLK }, +}; + +static const struct parent_map video_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_PLL0_OUT_MAIN, 1 }, + { P_VIDEO_PLL0_OUT_AUX, 2 }, + { P_VIDEO_PLL0_OUT_AUX2, 3 }, +}; + +static const struct clk_parent_data video_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, +}; + +static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = { + F(32000, P_SLEEP_CLK, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_sleep_clk_src = { + .cmd_rcgr = 0xaf8, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_sleep_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_sleep_clk_src", + .parent_data = video_cc_parent_data_0_ao, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0_ao), + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_venus_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(133333333, P_VIDEO_PLL0_OUT_MAIN, 4.5, 0, 0), + F(240000000, P_VIDEO_PLL0_OUT_MAIN, 2.5, 0, 0), + F(300000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(380000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(410000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(460000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_venus_clk_src = { + .cmd_rcgr = 0x7f0, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_1, + .freq_tbl = ftbl_video_cc_venus_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_clk_src", + .parent_data = video_cc_parent_data_1, + .num_parents = ARRAY_SIZE(video_cc_parent_data_1), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_branch video_cc_sleep_clk = { + .halt_reg = 0xb18, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xb18, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "video_cc_sleep_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &video_cc_sleep_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_vcodec0_axi_clk = { + .halt_reg = 0x8f0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8f0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_vcodec0_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_vcodec0_core_clk = { + .halt_reg = 0x890, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x890, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_vcodec0_core_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_venus_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ahb_clk = { + .halt_reg = 0x9b0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x9b0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ctl_axi_clk = { + .halt_reg = 0x8d0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8d0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ctl_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ctl_core_clk = { + .halt_reg = 0x850, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x850, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ctl_core_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_venus_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc vcodec0_gdsc = { + .gdscr = 0x874, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "vcodec0_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL_TRIGGER | POLL_CFG_GDSCR, +}; + +static struct gdsc venus_gdsc = { + .gdscr = 0x814, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "venus_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = POLL_CFG_GDSCR, +}; + +static struct clk_regmap *video_cc_qcs615_clocks[] = { + [VIDEO_CC_SLEEP_CLK] = &video_cc_sleep_clk.clkr, + [VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr, + [VIDEO_CC_VCODEC0_AXI_CLK] = &video_cc_vcodec0_axi_clk.clkr, + [VIDEO_CC_VCODEC0_CORE_CLK] = &video_cc_vcodec0_core_clk.clkr, + [VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr, + [VIDEO_CC_VENUS_CLK_SRC] = &video_cc_venus_clk_src.clkr, + [VIDEO_CC_VENUS_CTL_AXI_CLK] = &video_cc_venus_ctl_axi_clk.clkr, + [VIDEO_CC_VENUS_CTL_CORE_CLK] = &video_cc_venus_ctl_core_clk.clkr, + [VIDEO_PLL0] = &video_pll0.clkr, +}; + +static struct gdsc *video_cc_qcs615_gdscs[] = { + [VCODEC0_GDSC] = &vcodec0_gdsc, + [VENUS_GDSC] = &venus_gdsc, +}; + +static const struct qcom_reset_map video_cc_qcs615_resets[] = { + [VIDEO_CC_INTERFACE_BCR] = { 0x8b0 }, + [VIDEO_CC_VCODEC0_BCR] = { 0x870 }, + [VIDEO_CC_VENUS_BCR] = { 0x810 }, +}; + +static const struct regmap_config video_cc_qcs615_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xb94, + .fast_io = true, +}; + +static const struct qcom_cc_desc video_cc_qcs615_desc = { + .config = &video_cc_qcs615_regmap_config, + .clks = video_cc_qcs615_clocks, + .num_clks = ARRAY_SIZE(video_cc_qcs615_clocks), + .resets = video_cc_qcs615_resets, + .num_resets = ARRAY_SIZE(video_cc_qcs615_resets), + .gdscs = video_cc_qcs615_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_qcs615_gdscs), +}; + +static const struct of_device_id video_cc_qcs615_match_table[] = { + { .compatible = "qcom,qcs615-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_qcs615_match_table); + +static int video_cc_qcs615_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &video_cc_qcs615_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_alpha_pll_configure(&video_pll0, regmap, &video_pll0_config); + + /* Keep some clocks always enabled */ + qcom_branch_set_clk_en(regmap, 0xab8); /* VIDEO_CC_XO_CLK */ + + return qcom_cc_really_probe(&pdev->dev, &video_cc_qcs615_desc, regmap); +} + +static struct platform_driver video_cc_qcs615_driver = { + .probe = video_cc_qcs615_probe, + .driver = { + .name = "videocc-qcs615", + .of_match_table = video_cc_qcs615_match_table, + }, +}; + +module_platform_driver(video_cc_qcs615_driver); + +MODULE_DESCRIPTION("QTI VIDEOCC QCS615 Driver"); +MODULE_LICENSE("GPL");