From patchwork Wed Mar 16 16:17:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 551843 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8053CC433F5 for ; Wed, 16 Mar 2022 16:19:35 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BEADA16FF; Wed, 16 Mar 2022 17:18:43 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BEADA16FF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1647447573; bh=HSjIFBA0NEB+IiUlsgxwaJuvrNUUtYH5i8FRAt8mxHs=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ALZQgIl3ppo4WyMNshc8/Q6N+k0Jnjyz50FcSddo6OeMvPgOdIuKHgHP+z+dk24tu Q5wHTiEMCKfL35MFSWGcrZveUNJPxVeURB1sCDYehDZmZD+Bq2litGZgJ2CsuGhSN1 L0UF7DzgK008bHgH6dz4UTV+PQQ8qfivXyZdLh0A= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BADA5F80510; Wed, 16 Mar 2022 17:18:03 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EAB74F804E6; Wed, 16 Mar 2022 17:18:02 +0100 (CET) Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) (using TLSv1.2 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0D965F804E6 for ; Wed, 16 Mar 2022 17:17:55 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0D965F804E6 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="QU9Rdn3d" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1647447481; x=1678983481; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=As1X0P/G4QwXKGqgTUAbh2m46WDe6bYCw7umSlOuyHc=; b=QU9Rdn3dBYe9TV9nf79ytDgX37b+632bHZdzIQUYKtWrVWPQ2GWI+oxz ywUoq0ckDzSyHRs1bjOOtHpY7y9cHZwnRIhyd0+b6EKJ7g8EFhtBhMyrB YWw4o2+bWs5TZOmstJywiLQCjOlzQinGS9aj51CVpn6yZq4AJd7+hyibW 0=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 16 Mar 2022 09:17:54 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2022 09:17:53 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 16 Mar 2022 09:17:52 -0700 Received: from hu-srivasam-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 15.2.986.22; Wed, 16 Mar 2022 09:17:46 -0700 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , , Linus Walleij , Subject: [PATCH v12 2/7] dt-bindings: pinctrl: qcom: Add sc7280 lpass lpi pinctrl bindings Date: Wed, 16 Mar 2022 21:47:01 +0530 Message-ID: <1647447426-23425-3-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> References: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Cc: Venkata Prasad Potturu , Srinivasa Rao Mandadapu X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add device tree binding Documentation details for Qualcomm SC7280 LPASS LPI pinctrl driver. Signed-off-by: Srinivasa Rao Mandadapu Co-developed-by: Venkata Prasad Potturu Signed-off-by: Venkata Prasad Potturu Reviewed-by: Rob Herring Reviewed-by: Stephen Boyd --- .../pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml | 115 +++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml new file mode 100644 index 0000000..d32ee32 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. Low Power Audio SubSystem (LPASS) + Low Power Island (LPI) TLMM block + +maintainers: + - Srinivasa Rao Mandadapu + - Srinivas Kandagatla + +description: | + This binding describes the Top Level Mode Multiplexer block found in the + LPASS LPI IP on most Qualcomm SoCs + +properties: + compatible: + const: qcom,sc7280-lpass-lpi-pinctrl + + reg: + minItems: 2 + maxItems: 2 + + gpio-controller: true + + '#gpio-cells': + description: Specifying the pin number and flags, as defined in + include/dt-bindings/gpio/gpio.h + const: 2 + + gpio-ranges: + maxItems: 1 + +#PIN CONFIGURATION NODES +patternProperties: + '-pins$': + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + oneOf: + - pattern: "^gpio([0-9]|[1-9][0-9])$" + minItems: 1 + maxItems: 15 + + function: + enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws, + qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk, + dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data, + i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk, + dmic3_data, i2s2_data ] + description: + Specify the alternative function to be configured for the specified + pins. + + drive-strength: + enum: [2, 4, 6, 8, 10, 12, 14, 16] + default: 2 + description: + Selects the drive strength for the specified pins, in mA. + + slew-rate: + enum: [0, 1, 2, 3] + default: 0 + description: | + 0: No adjustments + 1: Higher Slew rate (faster edges) + 2: Lower Slew rate (slower edges) + 3: Reserved (No adjustments) + + bias-pull-down: true + + bias-pull-up: true + + bias-disable: true + + output-high: true + + output-low: true + + required: + - pins + - function + + additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + - gpio-ranges + +additionalProperties: false + +examples: + - | + lpass_tlmm: pinctrl@33c0000 { + compatible = "qcom,sc7280-lpass-lpi-pinctrl"; + reg = <0x33c0000 0x20000>, + <0x3550000 0x10000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&lpass_tlmm 0 0 15>; + }; From patchwork Wed Mar 16 16:17:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 551842 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A44EC433FE for ; Wed, 16 Mar 2022 16:20:12 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3976416FD; Wed, 16 Mar 2022 17:19:20 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3976416FD DKIM-Signature: v=1; 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Wed, 16 Mar 2022 09:18:06 -0700 Received: from hu-srivasam-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 15.2.986.22; Wed, 16 Mar 2022 09:17:59 -0700 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , , Linus Walleij , Subject: [PATCH v12 4/7] pinctrl: qcom: Update lpi pin group custiom functions with framework generic functions Date: Wed, 16 Mar 2022 21:47:03 +0530 Message-ID: <1647447426-23425-5-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> References: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Cc: Venkata Prasad Potturu , Srinivasa Rao Mandadapu X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Update custom pin group structure members with framework generic group_desc structure and replace the driver's custom pinctrl_ops with framework provided generic pin control group functions to avoid redundant code written in lpass lpi driver. Signed-off-by: Srinivasa Rao Mandadapu Co-developed-by: Venkata Prasad Potturu Signed-off-by: Venkata Prasad Potturu Reviewed-by: Matthias Kaehlcke --- drivers/pinctrl/qcom/Kconfig | 1 + drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 102 +++++++++++++++---------------- 2 files changed, 52 insertions(+), 51 deletions(-) diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index ca6f68a..31c4aa6 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -351,6 +351,7 @@ config PINCTRL_LPASS_LPI select PINMUX select PINCONF select GENERIC_PINCONF + select GENERIC_PINCTRL_GROUPS depends on GPIOLIB help This is the pinctrl, pinmux, pinconf and gpiolib driver for the diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c index 3c15f80..3228c45 100644 --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c @@ -51,11 +51,11 @@ #define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ { \ - .name = "gpio" #id, \ - .pins = gpio##id##_pins, \ + .group.name = "gpio" #id, \ + .group.pins = gpio##id##_pins, \ .pin = id, \ .slew_offset = soff, \ - .npins = ARRAY_SIZE(gpio##id##_pins), \ + .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ .funcs = (int[]){ \ LPI_MUX_gpio, \ LPI_MUX_##f1, \ @@ -67,9 +67,7 @@ } struct lpi_pingroup { - const char *name; - const unsigned int *pins; - unsigned int npins; + struct group_desc group; unsigned int pin; /* Bit offset in slew register for SoundWire pins only */ int slew_offset; @@ -150,20 +148,20 @@ enum sm8250_lpi_functions { LPI_MUX__, }; -static const unsigned int gpio0_pins[] = { 0 }; -static const unsigned int gpio1_pins[] = { 1 }; -static const unsigned int gpio2_pins[] = { 2 }; -static const unsigned int gpio3_pins[] = { 3 }; -static const unsigned int gpio4_pins[] = { 4 }; -static const unsigned int gpio5_pins[] = { 5 }; -static const unsigned int gpio6_pins[] = { 6 }; -static const unsigned int gpio7_pins[] = { 7 }; -static const unsigned int gpio8_pins[] = { 8 }; -static const unsigned int gpio9_pins[] = { 9 }; -static const unsigned int gpio10_pins[] = { 10 }; -static const unsigned int gpio11_pins[] = { 11 }; -static const unsigned int gpio12_pins[] = { 12 }; -static const unsigned int gpio13_pins[] = { 13 }; +static int gpio0_pins[] = { 0 }; +static int gpio1_pins[] = { 1 }; +static int gpio2_pins[] = { 2 }; +static int gpio3_pins[] = { 3 }; +static int gpio4_pins[] = { 4 }; +static int gpio5_pins[] = { 5 }; +static int gpio6_pins[] = { 6 }; +static int gpio7_pins[] = { 7 }; +static int gpio8_pins[] = { 8 }; +static int gpio9_pins[] = { 9 }; +static int gpio10_pins[] = { 10 }; +static int gpio11_pins[] = { 11 }; +static int gpio12_pins[] = { 12 }; +static int gpio13_pins[] = { 13 }; static const char * const swr_tx_clk_groups[] = { "gpio0" }; static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; static const char * const swr_rx_clk_groups[] = { "gpio3" }; @@ -250,38 +248,10 @@ static int lpi_gpio_write(struct lpi_pinctrl *state, unsigned int pin, return 0; } -static int lpi_gpio_get_groups_count(struct pinctrl_dev *pctldev) -{ - struct lpi_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - - return pctrl->data->ngroups; -} - -static const char *lpi_gpio_get_group_name(struct pinctrl_dev *pctldev, - unsigned int group) -{ - struct lpi_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - - return pctrl->data->groups[group].name; -} - -static int lpi_gpio_get_group_pins(struct pinctrl_dev *pctldev, - unsigned int group, - const unsigned int **pins, - unsigned int *num_pins) -{ - struct lpi_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - - *pins = pctrl->data->groups[group].pins; - *num_pins = pctrl->data->groups[group].npins; - - return 0; -} - static const struct pinctrl_ops lpi_gpio_pinctrl_ops = { - .get_groups_count = lpi_gpio_get_groups_count, - .get_group_name = lpi_gpio_get_group_name, - .get_group_pins = lpi_gpio_get_group_pins, + .get_groups_count = pinctrl_generic_get_group_count, + .get_group_name = pinctrl_generic_get_group_name, + .get_group_pins = pinctrl_generic_get_group_pins, .dt_node_to_map = pinconf_generic_dt_node_to_map_group, .dt_free_map = pinctrl_utils_free_map, }; @@ -582,6 +552,28 @@ static const struct gpio_chip lpi_gpio_template = { .dbg_show = lpi_gpio_dbg_show, }; +static int lpi_build_pin_desc_groups(struct lpi_pinctrl *pctrl) +{ + int i, ret; + + for (i = 0; i < pctrl->data->npins; i++) { + const struct pinctrl_pin_desc *pin_info = pctrl->desc.pins + i; + + ret = pinctrl_generic_add_group(pctrl->ctrl, pin_info->name, + (int *)&pin_info->number, 1, NULL); + if (ret < 0) + goto err_pinctrl; + } + + return 0; + +err_pinctrl: + for (; i > 0; i--) + pinctrl_generic_remove_group(pctrl->ctrl, i - 1); + + return ret; +} + static int lpi_pinctrl_probe(struct platform_device *pdev) { const struct lpi_pinctrl_variant_data *data; @@ -647,6 +639,10 @@ static int lpi_pinctrl_probe(struct platform_device *pdev) goto err_pinctrl; } + ret = lpi_build_pin_desc_groups(pctrl); + if (ret) + goto err_pinctrl; + ret = devm_gpiochip_add_data(dev, &pctrl->chip, pctrl); if (ret) { dev_err(pctrl->dev, "can't add gpio chip\n"); @@ -665,10 +661,14 @@ static int lpi_pinctrl_probe(struct platform_device *pdev) static int lpi_pinctrl_remove(struct platform_device *pdev) { struct lpi_pinctrl *pctrl = platform_get_drvdata(pdev); + int i; mutex_destroy(&pctrl->slew_access_lock); clk_bulk_disable_unprepare(MAX_LPI_NUM_CLKS, pctrl->clks); + for (i = 0; i < pctrl->data->npins; i++) + pinctrl_generic_remove_group(pctrl->ctrl, i); + return 0; } From patchwork Wed Mar 16 16:17:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 551841 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6DEEBC433F5 for ; Wed, 16 Mar 2022 16:20:51 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B2E981707; Wed, 16 Mar 2022 17:19:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B2E981707 DKIM-Signature: v=1; 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Wed, 16 Mar 2022 09:18:19 -0700 Received: from hu-srivasam-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 15.2.986.22; Wed, 16 Mar 2022 09:18:13 -0700 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , , Linus Walleij , Subject: [PATCH v12 6/7] pinctrl: qcom: Add SC7280 lpass pin configuration Date: Wed, 16 Mar 2022 21:47:05 +0530 Message-ID: <1647447426-23425-7-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> References: <1647447426-23425-1-git-send-email-quic_srivasam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Cc: Venkata Prasad Potturu , Srinivasa Rao Mandadapu X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add pin control support for SC7280 LPASS LPI. Signed-off-by: Srinivasa Rao Mandadapu Co-developed-by: Venkata Prasad Potturu Signed-off-by: Venkata Prasad Potturu Reviewed-by: Matthias Kaehlcke --- drivers/pinctrl/qcom/Kconfig | 9 ++ drivers/pinctrl/qcom/Makefile | 1 + drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c | 167 ++++++++++++++++++++++++ 3 files changed, 177 insertions(+) create mode 100644 drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 486a1b5..6c3657e 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -239,6 +239,15 @@ config PINCTRL_SC7280 Qualcomm Technologies Inc TLMM block found on the Qualcomm Technologies Inc SC7280 platform. +config PINCTRL_SC7280_LPASS_LPI + tristate "Qualcomm Technologies Inc SC7280 LPASS LPI pin controller driver" + depends on GPIOLIB + depends on PINCTRL_LPASS_LPI + help + This is the pinctrl, pinmux, pinconf and gpiolib driver for the + Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI + (Low Power Island) found on the Qualcomm Technologies Inc SC7280 platform. + config PINCTRL_SC8180X tristate "Qualcomm Technologies Inc SC8180x pin controller driver" depends on (OF || ACPI) diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 39650d6..573e741 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_PINCTRL_QCOM_SSBI_PMIC) += pinctrl-ssbi-gpio.o obj-$(CONFIG_PINCTRL_QCOM_SSBI_PMIC) += pinctrl-ssbi-mpp.o obj-$(CONFIG_PINCTRL_SC7180) += pinctrl-sc7180.o obj-$(CONFIG_PINCTRL_SC7280) += pinctrl-sc7280.o +obj-$(CONFIG_PINCTRL_SC7280_LPASS_LPI) += pinctrl-sc7280-lpass-lpi.o obj-$(CONFIG_PINCTRL_SC8180X) += pinctrl-sc8180x.o obj-$(CONFIG_PINCTRL_SDM660) += pinctrl-sdm660.o obj-$(CONFIG_PINCTRL_SDM845) += pinctrl-sdm845.o diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c new file mode 100644 index 0000000..d67ff25 --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. + * ALSA SoC platform-machine driver for QTi LPASS + */ + +#include +#include +#include + +#include "pinctrl-lpass-lpi.h" + +enum lpass_lpi_functions { + LPI_MUX_dmic1_clk, + LPI_MUX_dmic1_data, + LPI_MUX_dmic2_clk, + LPI_MUX_dmic2_data, + LPI_MUX_dmic3_clk, + LPI_MUX_dmic3_data, + LPI_MUX_i2s1_clk, + LPI_MUX_i2s1_data, + LPI_MUX_i2s1_ws, + LPI_MUX_i2s2_clk, + LPI_MUX_i2s2_data, + LPI_MUX_i2s2_ws, + LPI_MUX_qua_mi2s_data, + LPI_MUX_qua_mi2s_sclk, + LPI_MUX_qua_mi2s_ws, + LPI_MUX_swr_rx_clk, + LPI_MUX_swr_rx_data, + LPI_MUX_swr_tx_clk, + LPI_MUX_swr_tx_data, + LPI_MUX_wsa_swr_clk, + LPI_MUX_wsa_swr_data, + LPI_MUX_gpio, + LPI_MUX__, +}; + +static int gpio0_pins[] = { 0 }; +static int gpio1_pins[] = { 1 }; +static int gpio2_pins[] = { 2 }; +static int gpio3_pins[] = { 3 }; +static int gpio4_pins[] = { 4 }; +static int gpio5_pins[] = { 5 }; +static int gpio6_pins[] = { 6 }; +static int gpio7_pins[] = { 7 }; +static int gpio8_pins[] = { 8 }; +static int gpio9_pins[] = { 9 }; +static int gpio10_pins[] = { 10 }; +static int gpio11_pins[] = { 11 }; +static int gpio12_pins[] = { 12 }; +static int gpio13_pins[] = { 13 }; +static int gpio14_pins[] = { 14 }; + +/* sc7280 variant specific data */ +static const struct pinctrl_pin_desc sc7280_lpi_pins[] = { + PINCTRL_PIN(0, "gpio0"), + PINCTRL_PIN(1, "gpio1"), + PINCTRL_PIN(2, "gpio2"), + PINCTRL_PIN(3, "gpio3"), + PINCTRL_PIN(4, "gpio4"), + PINCTRL_PIN(5, "gpio5"), + PINCTRL_PIN(6, "gpio6"), + PINCTRL_PIN(7, "gpio7"), + PINCTRL_PIN(8, "gpio8"), + PINCTRL_PIN(9, "gpio9"), + PINCTRL_PIN(10, "gpio10"), + PINCTRL_PIN(11, "gpio11"), + PINCTRL_PIN(12, "gpio12"), + PINCTRL_PIN(13, "gpio13"), + PINCTRL_PIN(14, "gpio14"), +}; + +static const char * const swr_tx_clk_groups[] = { "gpio0" }; +static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" }; +static const char * const swr_rx_clk_groups[] = { "gpio3" }; +static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; +static const char * const dmic1_clk_groups[] = { "gpio6" }; +static const char * const dmic1_data_groups[] = { "gpio7" }; +static const char * const dmic2_clk_groups[] = { "gpio8" }; +static const char * const dmic2_data_groups[] = { "gpio9" }; +static const char * const i2s2_clk_groups[] = { "gpio10" }; +static const char * const i2s2_ws_groups[] = { "gpio11" }; +static const char * const dmic3_clk_groups[] = { "gpio12" }; +static const char * const dmic3_data_groups[] = { "gpio13" }; +static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; +static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; +static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; +static const char * const i2s1_clk_groups[] = { "gpio6" }; +static const char * const i2s1_ws_groups[] = { "gpio7" }; +static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; +static const char * const wsa_swr_clk_groups[] = { "gpio10" }; +static const char * const wsa_swr_data_groups[] = { "gpio11" }; +static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" }; + +static const struct lpi_pingroup sc7280_groups[] = { + LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), + LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), + LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), + LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), + LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), + LPI_PINGROUP(5, 12, swr_rx_data, _, _, _), + LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), + LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), + LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), + LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), + LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), + LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), + LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), + LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), + LPI_PINGROUP(14, 6, swr_tx_data, _, _, _), +}; + +static const struct lpi_function sc7280_functions[] = { + LPI_FUNCTION(dmic1_clk), + LPI_FUNCTION(dmic1_data), + LPI_FUNCTION(dmic2_clk), + LPI_FUNCTION(dmic2_data), + LPI_FUNCTION(dmic3_clk), + LPI_FUNCTION(dmic3_data), + LPI_FUNCTION(i2s1_clk), + LPI_FUNCTION(i2s1_data), + LPI_FUNCTION(i2s1_ws), + LPI_FUNCTION(i2s2_clk), + LPI_FUNCTION(i2s2_data), + LPI_FUNCTION(i2s2_ws), + LPI_FUNCTION(qua_mi2s_data), + LPI_FUNCTION(qua_mi2s_sclk), + LPI_FUNCTION(qua_mi2s_ws), + LPI_FUNCTION(swr_rx_clk), + LPI_FUNCTION(swr_rx_data), + LPI_FUNCTION(swr_tx_clk), + LPI_FUNCTION(swr_tx_data), + LPI_FUNCTION(wsa_swr_clk), + LPI_FUNCTION(wsa_swr_data), +}; + +static const struct lpi_pinctrl_variant_data sc7280_lpi_data = { + .pins = sc7280_lpi_pins, + .npins = ARRAY_SIZE(sc7280_lpi_pins), + .groups = sc7280_groups, + .ngroups = ARRAY_SIZE(sc7280_groups), + .functions = sc7280_functions, + .nfunctions = ARRAY_SIZE(sc7280_functions), +}; + +static const struct of_device_id lpi_pinctrl_of_match[] = { + { + .compatible = "qcom,sc7280-lpass-lpi-pinctrl", + .data = &sc7280_lpi_data, + }, + { } +}; +MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); + +static struct platform_driver lpi_pinctrl_driver = { + .driver = { + .name = "qcom-sc7280-lpass-lpi-pinctrl", + .of_match_table = lpi_pinctrl_of_match, + }, + .probe = lpi_pinctrl_probe, + .remove = lpi_pinctrl_remove, +}; + +module_platform_driver(lpi_pinctrl_driver); +MODULE_DESCRIPTION("QTI SC7280 LPI GPIO pin control driver"); +MODULE_LICENSE("GPL");