From patchwork Thu Dec 7 10:52:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 751267 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="WIFpfyPf" Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FC54D53 for ; Thu, 7 Dec 2023 02:53:03 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id 5b1f17b1804b1-40c09f4814eso11118315e9.1 for ; Thu, 07 Dec 2023 02:53:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1701946382; x=1702551182; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=DzAkdCe8GmigS9meJGB6RLFDC8CgmK6hEzQqiVyayPM=; b=WIFpfyPfJxZp7EzuHYsbL/8Cuffv8AteYGwTv0eQkEewXhqBEVPJm9U1ng1Xanzipj SXfup3xW3emIXT2ZCuD6ErkrmWcSuNhKfNY9gGmS+5vcpRG7AFSRy9cc+dmk8qMMBkYd 2Sn8JquW7hRuDbKhoLZeUrlrs11y4OKWxJvNfMbbT3M7FWAh7FRokR3Ed7wCDBtuwyyu D2Q+Q8o4ni10SoZeYnKq3poqgZc/xeRSBTy2sE8l6cf+RyhzIW+5+0QCp4pQefbzW5M+ ifikXRlzqRWEsKqIjVqx0waaWmbkvcAfnsYedrKEWbopedGn6h4b0ZkQKhpzSP4ZQFem XQsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701946382; x=1702551182; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DzAkdCe8GmigS9meJGB6RLFDC8CgmK6hEzQqiVyayPM=; b=HeEs9wxqXsOYFL7lUK7VLmNQzjOfQjIdRDuSBi/fuZe2Bj749CHYHP8t5cxn8BPnok b8klNuimQrKtgu4k0qM56ZX7YAA0biuZh0eqhaZ6rWahSUl256t1jHFfK53Ij8nPvuwC Rp0GZl4WzjKmhSSfyI0LUjHN63lpF3vcEGnJW0nf7246Cd+R+uzccjFAYWC/ZKXSNvET rIFqwzdKiIyXNX3bGtPhedORm0/XaoEgUP3lleavB8KtzU2i9uocf2pA7J/EdjkGJnm5 MuUfkWoSekTm2U5ekbqYbpGA2IDFLk0aQwylOX20WGdC73OJyjJawJXpd8d9U6nb+eF9 B6zQ== X-Gm-Message-State: AOJu0YwJ7A7vxDtP1SVnj6VBiwA1Nz4tGgyhFxvl7RjeVB9FxQzw82tk V0x3lcXGsRqTruw46gUBL7e7ew== X-Google-Smtp-Source: AGHT+IHRtGdot/NsE2L3XoU8qXrI4IhdWzOZdCj+ecTyhBAvaBVisMbzzrPQ2/3t11cv8c68fwqI2A== X-Received: by 2002:a05:600c:2901:b0:40c:2699:b625 with SMTP id i1-20020a05600c290100b0040c2699b625mr795852wmd.138.1701946381938; Thu, 07 Dec 2023 02:53:01 -0800 (PST) Received: from [127.0.1.1] ([82.79.186.233]) by smtp.gmail.com with ESMTPSA id k23-20020a1709063e1700b00a1db8b08610sm668700eji.148.2023.12.07.02.53.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 02:53:01 -0800 (PST) From: Abel Vesa Date: Thu, 07 Dec 2023 12:52:48 +0200 Subject: [PATCH v3 1/3] dt-bindings: phy: Add PHY_TYPE_EDP definition Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231122-phy-qualcomm-edp-x1e80100-v3-1-576fc4e9559d@linaro.org> References: <20231122-phy-qualcomm-edp-x1e80100-v3-0-576fc4e9559d@linaro.org> In-Reply-To: <20231122-phy-qualcomm-edp-x1e80100-v3-0-576fc4e9559d@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abhinav Kumar , Dmitry Baryshkov , Johan Hovold Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=559; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=Hwpu6tM6RD/JKvU7jn8nmPGWlA4+6aqHXvdwplMfgcU=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBlcaQHvtNBoyFoDqGxYZdSuJ7V9rS3o4tMgMa/L /rsakNygxiJAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZXGkBwAKCRAbX0TJAJUV Vj/ZEACqcEFqs4X3nCWLQ3UkvPUu21OX6QLZgnucuhOQy2j5+YN5KcFbAopZrh2tFu72hZV0YhZ BKH00j7k1sah0JalC5y+NP4CVfJiptouXa70dSe5DHUDEgsrV4FBEvsL0cuIs9zx2zFyCTF//7A Qzn0quAZeGog51ywahMduGZObO8YbAjMsaBtloLS8bQw7ghNRB8RgihW20v5wjmHGlIJdXuauhM 7umWswF85EQzZ/yQrXRLRnDjomUWC8R6aRsZiJ3e7oeD3MWzki9bniGavuNXJ+fX/6nJyfbx3vs mXbJwTInK/4+jcnb01svlQhMOUf32EMxS9gQH+UWvgZ1VLL4u7WwPa/cu9TnT9p0DGdZUyEg0uj OUMXkD0hRL3yyBGFPV1a51r1huH0+JENQqbnCZHHb4hjtz9AfocmZeTB7XKcLv+mhSGLPT6HRCl BuMeaGdSNmgBV2YKu7BkUEde2flczzvN4tT7+8LH00alp8aoJLaF8GaQ49GCrStIhQ6/S2x0bao tNgQWBYfQQEntMS2UV3o9iBO3w7jVceHxr7gYlCbRuSvrYjcF8lgc+QUMjUq+xnVN/OJBl+9K0O OP3hxaTXJzb0vXwlsWm0enJTJtZfhbm2wbK7V3gMlrd613LJ3FfEl+aDOnTBgYwwkuBp3hrOPZt m/shR67U6aGSMDw== X-Developer-Key: i=abel.vesa@linaro.org; a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Add definition for Embedded DisplayPort (eDP) phy type. Signed-off-by: Abel Vesa Acked-by: Krzysztof Kozlowski --- include/dt-bindings/phy/phy.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/dt-bindings/phy/phy.h b/include/dt-bindings/phy/phy.h index 6b901b342348..b1a64508d937 100644 --- a/include/dt-bindings/phy/phy.h +++ b/include/dt-bindings/phy/phy.h @@ -23,5 +23,6 @@ #define PHY_TYPE_DPHY 10 #define PHY_TYPE_CPHY 11 #define PHY_TYPE_USXGMII 12 +#define PHY_TYPE_EDP 13 #endif /* _DT_BINDINGS_PHY */ From patchwork Thu Dec 7 10:52:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 751266 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="IkfP7KvH" Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE2D410C3 for ; Thu, 7 Dec 2023 02:53:06 -0800 (PST) Received: by mail-ej1-x630.google.com with SMTP id a640c23a62f3a-a1cdeab6b53so167424666b.1 for ; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE The Qualcomm X1E80100 platform has a number of eDP/DP PHY instances. These are based on QMP v6. So add support for v6 QMP COM registers by supporting configuration-based register offsets. For legacy platforms, keep the eDP and DP compatibles different, but for new platforms, use the phy-type DT property instead. So add platform specific configs, specify the version and override the PHY type where compatible dictates it. Co-developed-by: Abhinav Kumar Signed-off-by: Abhinav Kumar Signed-off-by: Abel Vesa --- drivers/phy/qualcomm/phy-qcom-edp.c | 583 ++++++++++++++++++++++++++++++------ 1 file changed, 490 insertions(+), 93 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c index 8e5078304646..6fc18bf80db1 100644 --- a/drivers/phy/qualcomm/phy-qcom-edp.c +++ b/drivers/phy/qualcomm/phy-qcom-edp.c @@ -68,10 +68,333 @@ #define TXn_TRAN_DRVR_EMP_EN 0x0078 -struct qcom_edp_cfg { - bool is_dp; +enum dp_qmp_com_version { + DP_QMP_VERSION_V4, + DP_QMP_VERSION_V6, +}; + +enum dp_link_rate { + DP_LINK_RATE_1_6_GHZ, + DP_LINK_RATE_2_7_GHZ, + DP_LINK_RATE_5_4_GHZ, + DP_LINK_RATE_8_1_GHZ, +}; + +struct qmp_com_regs_layout { + unsigned int cmn_status; + unsigned int ssc_en_center; + unsigned int resetsm_cntrl; + unsigned int c_ready_status; + unsigned int ssc_per1; + unsigned int ssc_per2; + unsigned int ssc_step_size1_mode0; + unsigned int ssc_step_size2_mode0; + unsigned int ssc_adj_per1; + unsigned int svs_mode_clk_sel; + unsigned int sysclk_en_sel; + unsigned int sys_clk_ctrl; + unsigned int clk_enable1; + unsigned int clk_select; + unsigned int sysclk_buf_enable; + unsigned int hsclk_sel; + unsigned int pll_ivco; + unsigned int lock_cmp_en; + unsigned int pll_cctrl_mode0; + unsigned int pll_rctrl_mode0; + unsigned int cp_ctrl_mode0; + unsigned int dec_start_mode0; + unsigned int div_frac_start1_mode0; + unsigned int div_frac_start2_mode0; + unsigned int div_frac_start3_mode0; + unsigned int cmn_config; + unsigned int integloop_gain0_mode0; + unsigned int integloop_gain1_mode0; + unsigned int vco_tune_map; + unsigned int lock_cmp1_mode0; + unsigned int lock_cmp2_mode0; + unsigned int bg_timer; + unsigned int pll_core_clk_div_mode0; + unsigned int vco_tune_ctrl; + unsigned int pll_bias_en_clk_buflr_en; + unsigned int core_clk_en; + unsigned int vco_tune1_mode0; + unsigned int vco_tune2_mode0; + unsigned int bin_vcocal_cmp_code1_mode0; + unsigned int bin_vcocal_cmp_code2_mode0; +}; + +static const struct qmp_com_regs_layout qmp_v4_com_regs = { + .cmn_status = QSERDES_V4_COM_CMN_STATUS, + .c_ready_status = QSERDES_V4_COM_C_READY_STATUS, + .resetsm_cntrl = QSERDES_V4_COM_RESETSM_CNTRL, + .ssc_en_center = QSERDES_V4_COM_SSC_EN_CENTER, + .ssc_per1 = QSERDES_V4_COM_SSC_PER1, + .ssc_per2 = QSERDES_V4_COM_SSC_PER2, + .ssc_step_size1_mode0 = QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, + .ssc_step_size2_mode0 = QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, + .ssc_adj_per1 = QSERDES_V4_COM_SSC_ADJ_PER1, + .svs_mode_clk_sel = QSERDES_V4_COM_SVS_MODE_CLK_SEL, + .sysclk_en_sel = QSERDES_V4_COM_SYSCLK_EN_SEL, + .sys_clk_ctrl = QSERDES_V4_COM_SYS_CLK_CTRL, + .sysclk_buf_enable = QSERDES_V4_COM_SYSCLK_BUF_ENABLE, + .clk_enable1 = QSERDES_V4_COM_CLK_ENABLE1, + .clk_select = QSERDES_V4_COM_CLK_SELECT, + .hsclk_sel = QSERDES_V4_COM_HSCLK_SEL, + .pll_ivco = QSERDES_V4_COM_PLL_IVCO, + .lock_cmp_en = QSERDES_V4_COM_LOCK_CMP_EN, + .pll_cctrl_mode0 = QSERDES_V4_COM_PLL_CCTRL_MODE0, + .pll_rctrl_mode0 = QSERDES_V4_COM_PLL_RCTRL_MODE0, + .cp_ctrl_mode0 = QSERDES_V4_COM_CP_CTRL_MODE0, + .dec_start_mode0 = QSERDES_V4_COM_DEC_START_MODE0, + .div_frac_start1_mode0 = QSERDES_V4_COM_DIV_FRAC_START1_MODE0, + .div_frac_start2_mode0 = QSERDES_V4_COM_DIV_FRAC_START2_MODE0, + .div_frac_start3_mode0 = QSERDES_V4_COM_DIV_FRAC_START3_MODE0, + .cmn_config = QSERDES_V4_COM_CMN_CONFIG, + .integloop_gain0_mode0 = QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0, + .integloop_gain1_mode0 = QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0, + .vco_tune_map = QSERDES_V4_COM_VCO_TUNE_MAP, + .lock_cmp1_mode0 = QSERDES_V4_COM_LOCK_CMP1_MODE0, + .lock_cmp2_mode0 = QSERDES_V4_COM_LOCK_CMP2_MODE0, + .bg_timer = QSERDES_V4_COM_BG_TIMER, + .pll_core_clk_div_mode0 = QSERDES_V4_COM_CORECLK_DIV_MODE0, + .vco_tune_ctrl = QSERDES_V4_COM_VCO_TUNE_CTRL, + .pll_bias_en_clk_buflr_en = QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN, + .core_clk_en = QSERDES_V4_COM_CORE_CLK_EN, + .vco_tune1_mode0 = QSERDES_V4_COM_VCO_TUNE1_MODE0, + .vco_tune2_mode0 = QSERDES_V4_COM_VCO_TUNE2_MODE0, +}; + +static const struct qmp_com_regs_layout qmp_v6_com_regs = { + .cmn_status = QSERDES_V6_COM_CMN_STATUS, + .c_ready_status = QSERDES_V6_COM_C_READY_STATUS, + .resetsm_cntrl = QSERDES_V6_COM_RESETSM_CNTRL, + .ssc_en_center = QSERDES_V6_COM_SSC_EN_CENTER, + .ssc_per1 = QSERDES_V6_COM_SSC_PER1, + .ssc_per2 = QSERDES_V6_COM_SSC_PER2, + .ssc_step_size1_mode0 = QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, + .ssc_step_size2_mode0 = QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, + .ssc_adj_per1 = QSERDES_V6_COM_SSC_ADJ_PER1, + .svs_mode_clk_sel = QSERDES_V6_COM_SVS_MODE_CLK_SEL, + .sysclk_en_sel = QSERDES_V6_COM_SYSCLK_EN_SEL, + .sys_clk_ctrl = QSERDES_V6_COM_SYS_CLK_CTRL, + .sysclk_buf_enable = QSERDES_V6_COM_SYSCLK_BUF_ENABLE, + .clk_enable1 = QSERDES_V6_COM_CLK_ENABLE1, + .clk_select = QSERDES_V6_COM_CLK_SELECT, + .hsclk_sel = QSERDES_V6_COM_HSCLK_SEL_1, + .pll_ivco = QSERDES_V6_COM_PLL_IVCO, + .lock_cmp_en = QSERDES_V6_COM_LOCK_CMP_EN, + .pll_cctrl_mode0 = QSERDES_V6_COM_PLL_CCTRL_MODE0, + .pll_rctrl_mode0 = QSERDES_V6_COM_PLL_RCTRL_MODE0, + .cp_ctrl_mode0 = QSERDES_V6_COM_CP_CTRL_MODE0, + .dec_start_mode0 = QSERDES_V6_COM_DEC_START_MODE0, + .div_frac_start1_mode0 = QSERDES_V6_COM_DIV_FRAC_START1_MODE0, + .div_frac_start2_mode0 = QSERDES_V6_COM_DIV_FRAC_START2_MODE0, + .div_frac_start3_mode0 = QSERDES_V6_COM_DIV_FRAC_START3_MODE0, + .cmn_config = QSERDES_V6_COM_CMN_CONFIG_1, + .integloop_gain0_mode0 = QSERDES_V6_COM_INTEGLOOP_GAIN0_MODE0, + .integloop_gain1_mode0 = QSERDES_V6_COM_INTEGLOOP_GAIN1_MODE0, + .vco_tune_map = QSERDES_V6_COM_VCO_TUNE_MAP, + .lock_cmp1_mode0 = QSERDES_V6_COM_LOCK_CMP1_MODE0, + .lock_cmp2_mode0 = QSERDES_V6_COM_LOCK_CMP2_MODE0, + .bg_timer = QSERDES_V6_COM_BG_TIMER, + .pll_core_clk_div_mode0 = QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, + .vco_tune_ctrl = QSERDES_V6_COM_VCO_TUNE_CTRL, + .pll_bias_en_clk_buflr_en = QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, + .core_clk_en = QSERDES_V6_COM_CORE_CLK_EN, + .bin_vcocal_cmp_code1_mode0 = QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE1_MODE0, + .bin_vcocal_cmp_code2_mode0 = QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE2_MODE0, +}; + +struct qmp_com_init { + const u8 ssc_per1; + const u8 ssc_per2; + const u8 pll_ivco; + const u8 cmn_config; + const u8 vco_tune1_mode0; + const u8 vco_tune2_mode0; + const u8 pll_bias_en_clk_buflr_en; + + const u8 *ssc_step1; + const u8 *ssc_step2; + const u8 *hsclk_sel; + const u8 *dec_start_mode0; + const u8 *div_frac_start2_mode0; + const u8 *div_frac_start3_mode0; + const u8 *lock_cmp1_mode0; + const u8 *lock_cmp2_mode0; + const u8 *code1_mode0; + const u8 *code2_mode0; +}; + +static const u8 qmp_v4_com_ssc_step1[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x45, + [DP_LINK_RATE_2_7_GHZ] = 0x45, + [DP_LINK_RATE_5_4_GHZ] = 0x5c, + [DP_LINK_RATE_8_1_GHZ] = 0x45, +}; + +static const u8 qmp_v4_com_ssc_step2[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x06, + [DP_LINK_RATE_2_7_GHZ] = 0x06, + [DP_LINK_RATE_5_4_GHZ] = 0x08, + [DP_LINK_RATE_8_1_GHZ] = 0x06, +}; + +static const u8 qmp_v4_com_hsclk_sel[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x05, + [DP_LINK_RATE_2_7_GHZ] = 0x03, + [DP_LINK_RATE_5_4_GHZ] = 0x01, + [DP_LINK_RATE_8_1_GHZ] = 0x00, +}; + +static const u8 qmp_v4_com_dec_start_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x69, + [DP_LINK_RATE_2_7_GHZ] = 0x69, + [DP_LINK_RATE_5_4_GHZ] = 0x8c, + [DP_LINK_RATE_8_1_GHZ] = 0x69, +}; + +static const u8 qmp_v4_com_div_frac_start2_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x80, + [DP_LINK_RATE_2_7_GHZ] = 0x80, + [DP_LINK_RATE_5_4_GHZ] = 0x00, + [DP_LINK_RATE_8_1_GHZ] = 0x80, +}; + +static const u8 qmp_v4_com_div_frac_start3_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x07, + [DP_LINK_RATE_2_7_GHZ] = 0x07, + [DP_LINK_RATE_5_4_GHZ] = 0x0a, + [DP_LINK_RATE_8_1_GHZ] = 0x07, +}; + +static const u8 qmp_v4_com_lock_cmp1_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x6f, + [DP_LINK_RATE_2_7_GHZ] = 0x0f, + [DP_LINK_RATE_5_4_GHZ] = 0x1f, + [DP_LINK_RATE_8_1_GHZ] = 0x2f, +}; + +static const u8 qmp_v4_com_lock_cmp2_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x08, + [DP_LINK_RATE_2_7_GHZ] = 0x0e, + [DP_LINK_RATE_5_4_GHZ] = 0x1c, + [DP_LINK_RATE_8_1_GHZ] = 0x2a, +}; + +static const struct qmp_com_init qmp_v4_com_init = { + .ssc_per1 = 0x36, + .ssc_per2 = 0x01, + .pll_ivco = 0x0f, + .cmn_config = 0x02, + .pll_bias_en_clk_buflr_en = 0x17, + .ssc_step1 = qmp_v4_com_ssc_step1, + .ssc_step2 = qmp_v4_com_ssc_step2, + .hsclk_sel = qmp_v4_com_hsclk_sel, + .dec_start_mode0 = qmp_v4_com_dec_start_mode0, + .div_frac_start2_mode0 = qmp_v4_com_div_frac_start2_mode0, + .div_frac_start3_mode0 = qmp_v4_com_div_frac_start3_mode0, + .lock_cmp1_mode0 = qmp_v4_com_lock_cmp1_mode0, + .lock_cmp2_mode0 = qmp_v4_com_lock_cmp2_mode0, + .vco_tune1_mode0 = 0xa0, + .vco_tune2_mode0 = 0x03, +}; + +static const u8 qmp_v6_com_ssc_step1[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x92, + [DP_LINK_RATE_2_7_GHZ] = 0x92, + [DP_LINK_RATE_5_4_GHZ] = 0x18, + [DP_LINK_RATE_8_1_GHZ] = 0x92, +}; + +static const u8 qmp_v6_com_ssc_step2[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x01, + [DP_LINK_RATE_2_7_GHZ] = 0x01, + [DP_LINK_RATE_5_4_GHZ] = 0x02, + [DP_LINK_RATE_8_1_GHZ] = 0x01, +}; + +static const u8 qmp_v6_com_hsclk_sel[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x05, + [DP_LINK_RATE_2_7_GHZ] = 0x03, + [DP_LINK_RATE_5_4_GHZ] = 0x01, + [DP_LINK_RATE_8_1_GHZ] = 0x00, +}; + +static const u8 qmp_v6_com_dec_start_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x34, + [DP_LINK_RATE_2_7_GHZ] = 0x34, + [DP_LINK_RATE_5_4_GHZ] = 0x46, + [DP_LINK_RATE_8_1_GHZ] = 0x34, +}; + +static const u8 qmp_v6_com_div_frac_start2_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0xc0, + [DP_LINK_RATE_2_7_GHZ] = 0xc0, + [DP_LINK_RATE_5_4_GHZ] = 0x00, + [DP_LINK_RATE_8_1_GHZ] = 0xc0, +}; + +static const u8 qmp_v6_com_div_frac_start3_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x0b, + [DP_LINK_RATE_2_7_GHZ] = 0x0b, + [DP_LINK_RATE_5_4_GHZ] = 0x05, + [DP_LINK_RATE_8_1_GHZ] = 0x0b, +}; + +static const u8 qmp_v6_com_lock_cmp1_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x37, + [DP_LINK_RATE_2_7_GHZ] = 0x07, + [DP_LINK_RATE_5_4_GHZ] = 0x0f, + [DP_LINK_RATE_8_1_GHZ] = 0x17, +}; - /* DP PHY swing and pre_emphasis tables */ +static const u8 qmp_v6_com_lock_cmp2_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x04, + [DP_LINK_RATE_2_7_GHZ] = 0x07, + [DP_LINK_RATE_5_4_GHZ] = 0x0e, + [DP_LINK_RATE_8_1_GHZ] = 0x15, +}; + +static const u8 qmp_v6_com_code1_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x71, + [DP_LINK_RATE_2_7_GHZ] = 0x71, + [DP_LINK_RATE_5_4_GHZ] = 0x97, + [DP_LINK_RATE_8_1_GHZ] = 0x71, +}; + +static const u8 qmp_v6_com_code2_mode0[] = { + [DP_LINK_RATE_1_6_GHZ] = 0x0c, + [DP_LINK_RATE_2_7_GHZ] = 0x0c, + [DP_LINK_RATE_5_4_GHZ] = 0x10, + [DP_LINK_RATE_8_1_GHZ] = 0x0c, +}; + +static const struct qmp_com_init qmp_v6_com_init = { + .ssc_per1 = 0x6b, + .ssc_per2 = 0x02, + .pll_ivco = 0x07, + .cmn_config = 0x12, + .pll_bias_en_clk_buflr_en = 0x1f, + .ssc_step1 = qmp_v6_com_ssc_step1, + .ssc_step2 = qmp_v6_com_ssc_step2, + .hsclk_sel = qmp_v6_com_hsclk_sel, + .dec_start_mode0 = qmp_v6_com_dec_start_mode0, + .div_frac_start2_mode0 = qmp_v6_com_div_frac_start2_mode0, + .div_frac_start3_mode0 = qmp_v6_com_div_frac_start3_mode0, + .lock_cmp1_mode0 = qmp_v6_com_lock_cmp1_mode0, + .lock_cmp2_mode0 = qmp_v6_com_lock_cmp2_mode0, + .code1_mode0 = qmp_v6_com_code1_mode0, + .code2_mode0 = qmp_v6_com_code2_mode0, +}; + +struct qmp_phy_cfg { + int type; + enum dp_qmp_com_version version; + bool needs_swing_pre_emph_cfg; +}; + +struct qcom_dp_swing_pre_emph_cfg { const u8 (*swing_hbr_rbr)[4][4]; const u8 (*swing_hbr3_hbr2)[4][4]; const u8 (*pre_emphasis_hbr_rbr)[4][4]; @@ -80,7 +403,9 @@ struct qcom_edp_cfg { struct qcom_edp { struct device *dev; - const struct qcom_edp_cfg *cfg; + const struct qcom_dp_swing_pre_emph_cfg *swing_pre_emph_cfg; + const struct qmp_com_regs_layout *com_regs; + const struct qmp_com_init *init_values; struct phy *phy; @@ -96,6 +421,8 @@ struct qcom_edp { struct clk_bulk_data clks[2]; struct regulator_bulk_data supplies[2]; + + bool is_dp; }; static const u8 dp_swing_hbr_rbr[4][4] = { @@ -126,8 +453,7 @@ static const u8 dp_pre_emp_hbr2_hbr3[4][4] = { { 0x04, 0xff, 0xff, 0xff } }; -static const struct qcom_edp_cfg dp_phy_cfg = { - .is_dp = true, +static const struct qcom_dp_swing_pre_emph_cfg dp_phy_swing_pre_emph_cfg = { .swing_hbr_rbr = &dp_swing_hbr_rbr, .swing_hbr3_hbr2 = &dp_swing_hbr2_hbr3, .pre_emphasis_hbr_rbr = &dp_pre_emp_hbr_rbr, @@ -162,18 +488,40 @@ static const u8 edp_pre_emp_hbr2_hbr3[4][4] = { { 0x00, 0xff, 0xff, 0xff } }; -static const struct qcom_edp_cfg edp_phy_cfg = { - .is_dp = false, +static const struct qcom_dp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg = { .swing_hbr_rbr = &edp_swing_hbr_rbr, .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3, .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr, .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3, }; +static struct qmp_phy_cfg sc7280_dp_phy_cfg = { + .type = PHY_TYPE_DP, + .version = DP_QMP_VERSION_V4, +}; + +static struct qmp_phy_cfg sc8280xp_dp_phy_cfg = { + .type = PHY_TYPE_DP, + .version = DP_QMP_VERSION_V4, + .needs_swing_pre_emph_cfg = true, +}; + +static struct qmp_phy_cfg sc8280xp_edp_phy_cfg = { + .type = PHY_TYPE_EDP, + .version = DP_QMP_VERSION_V4, + .needs_swing_pre_emph_cfg = true, +}; + +static struct qmp_phy_cfg x1e80100_phy_cfg = { + .version = DP_QMP_VERSION_V6, + .needs_swing_pre_emph_cfg = true, +}; + static int qcom_edp_phy_init(struct phy *phy) { struct qcom_edp *edp = phy_get_drvdata(phy); - const struct qcom_edp_cfg *cfg = edp->cfg; + const struct qmp_com_init *init = edp->init_values; + const struct qmp_com_regs_layout *regs = edp->com_regs; int ret; u8 cfg8; @@ -190,7 +538,8 @@ static int qcom_edp_phy_init(struct phy *phy) edp->edp + DP_PHY_PD_CTL); /* Turn on BIAS current for PHY/PLL */ - writel(0x17, edp->pll + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN); + writel(init->pll_bias_en_clk_buflr_en, + edp->pll + regs->pll_bias_en_clk_buflr_en); writel(DP_PHY_PD_CTL_PSR_PWRDN, edp->edp + DP_PHY_PD_CTL); msleep(20); @@ -200,7 +549,7 @@ static int qcom_edp_phy_init(struct phy *phy) DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN, edp->edp + DP_PHY_PD_CTL); - if (cfg && cfg->is_dp) + if (edp->is_dp) cfg8 = 0xb7; else cfg8 = 0x37; @@ -234,7 +583,7 @@ static int qcom_edp_phy_init(struct phy *phy) static int qcom_edp_set_voltages(struct qcom_edp *edp, const struct phy_configure_opts_dp *dp_opts) { - const struct qcom_edp_cfg *cfg = edp->cfg; + const struct qcom_dp_swing_pre_emph_cfg *cfg = edp->swing_pre_emph_cfg; unsigned int v_level = 0; unsigned int p_level = 0; u8 ldo_config; @@ -261,7 +610,7 @@ static int qcom_edp_set_voltages(struct qcom_edp *edp, const struct phy_configur if (swing == 0xff || emph == 0xff) return -EINVAL; - ldo_config = (cfg && cfg->is_dp) ? 0x1 : 0x0; + ldo_config = edp->is_dp ? 0x1 : 0x0; writel(ldo_config, edp->tx0 + TXn_LDO_CONFIG); writel(swing, edp->tx0 + TXn_TX_DRV_LVL); @@ -291,20 +640,21 @@ static int qcom_edp_phy_configure(struct phy *phy, union phy_configure_opts *opt static int qcom_edp_configure_ssc(const struct qcom_edp *edp) { const struct phy_configure_opts_dp *dp_opts = &edp->dp_opts; - u32 step1; - u32 step2; + const struct qmp_com_regs_layout *regs = edp->com_regs; + const struct qmp_com_init *init = edp->init_values; + int link_rate; + u8 step1, step2; + u8 per1, per2; switch (dp_opts->link_rate) { case 1620: case 2700: case 8100: - step1 = 0x45; - step2 = 0x06; + link_rate = DP_LINK_RATE_1_6_GHZ; break; case 5400: - step1 = 0x5c; - step2 = 0x08; + link_rate = DP_LINK_RATE_5_4_GHZ; break; default: @@ -312,12 +662,18 @@ static int qcom_edp_configure_ssc(const struct qcom_edp *edp) return -EINVAL; } - writel(0x01, edp->pll + QSERDES_V4_COM_SSC_EN_CENTER); - writel(0x00, edp->pll + QSERDES_V4_COM_SSC_ADJ_PER1); - writel(0x36, edp->pll + QSERDES_V4_COM_SSC_PER1); - writel(0x01, edp->pll + QSERDES_V4_COM_SSC_PER2); - writel(step1, edp->pll + QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0); - writel(step2, edp->pll + QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0); + step1 = init->ssc_step1[link_rate]; + step2 = init->ssc_step2[link_rate]; + + per1 = init->ssc_per1; + per2 = init->ssc_per2; + + writel(0x01, edp->pll + regs->ssc_en_center); + writel(0x00, edp->pll + regs->ssc_adj_per1); + writel(per1, edp->pll + regs->ssc_per1); + writel(per2, edp->pll + regs->ssc_per2); + writel(step1, edp->pll + regs->ssc_step_size1_mode0); + writel(step2, edp->pll + regs->ssc_step_size2_mode0); return 0; } @@ -325,48 +681,30 @@ static int qcom_edp_configure_ssc(const struct qcom_edp *edp) static int qcom_edp_configure_pll(const struct qcom_edp *edp) { const struct phy_configure_opts_dp *dp_opts = &edp->dp_opts; + const struct qmp_com_regs_layout *regs = edp->com_regs; + const struct qmp_com_init *init = edp->init_values; u32 div_frac_start2_mode0; u32 div_frac_start3_mode0; u32 dec_start_mode0; u32 lock_cmp1_mode0; u32 lock_cmp2_mode0; + u32 code1_mode0; + u32 code2_mode0; u32 hsclk_sel; + int link_rate; switch (dp_opts->link_rate) { case 1620: - hsclk_sel = 0x5; - dec_start_mode0 = 0x69; - div_frac_start2_mode0 = 0x80; - div_frac_start3_mode0 = 0x07; - lock_cmp1_mode0 = 0x6f; - lock_cmp2_mode0 = 0x08; + link_rate = DP_LINK_RATE_1_6_GHZ; break; - case 2700: - hsclk_sel = 0x3; - dec_start_mode0 = 0x69; - div_frac_start2_mode0 = 0x80; - div_frac_start3_mode0 = 0x07; - lock_cmp1_mode0 = 0x0f; - lock_cmp2_mode0 = 0x0e; + link_rate = DP_LINK_RATE_2_7_GHZ; break; - case 5400: - hsclk_sel = 0x1; - dec_start_mode0 = 0x8c; - div_frac_start2_mode0 = 0x00; - div_frac_start3_mode0 = 0x0a; - lock_cmp1_mode0 = 0x1f; - lock_cmp2_mode0 = 0x1c; + link_rate = DP_LINK_RATE_5_4_GHZ; break; - case 8100: - hsclk_sel = 0x0; - dec_start_mode0 = 0x69; - div_frac_start2_mode0 = 0x80; - div_frac_start3_mode0 = 0x07; - lock_cmp1_mode0 = 0x2f; - lock_cmp2_mode0 = 0x2a; + link_rate = DP_LINK_RATE_8_1_GHZ; break; default: @@ -374,36 +712,59 @@ static int qcom_edp_configure_pll(const struct qcom_edp *edp) return -EINVAL; } - writel(0x01, edp->pll + QSERDES_V4_COM_SVS_MODE_CLK_SEL); - writel(0x0b, edp->pll + QSERDES_V4_COM_SYSCLK_EN_SEL); - writel(0x02, edp->pll + QSERDES_V4_COM_SYS_CLK_CTRL); - writel(0x0c, edp->pll + QSERDES_V4_COM_CLK_ENABLE1); - writel(0x06, edp->pll + QSERDES_V4_COM_SYSCLK_BUF_ENABLE); - writel(0x30, edp->pll + QSERDES_V4_COM_CLK_SELECT); - writel(hsclk_sel, edp->pll + QSERDES_V4_COM_HSCLK_SEL); - writel(0x0f, edp->pll + QSERDES_V4_COM_PLL_IVCO); - writel(0x08, edp->pll + QSERDES_V4_COM_LOCK_CMP_EN); - writel(0x36, edp->pll + QSERDES_V4_COM_PLL_CCTRL_MODE0); - writel(0x16, edp->pll + QSERDES_V4_COM_PLL_RCTRL_MODE0); - writel(0x06, edp->pll + QSERDES_V4_COM_CP_CTRL_MODE0); - writel(dec_start_mode0, edp->pll + QSERDES_V4_COM_DEC_START_MODE0); - writel(0x00, edp->pll + QSERDES_V4_COM_DIV_FRAC_START1_MODE0); - writel(div_frac_start2_mode0, edp->pll + QSERDES_V4_COM_DIV_FRAC_START2_MODE0); - writel(div_frac_start3_mode0, edp->pll + QSERDES_V4_COM_DIV_FRAC_START3_MODE0); - writel(0x02, edp->pll + QSERDES_V4_COM_CMN_CONFIG); - writel(0x3f, edp->pll + QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0); - writel(0x00, edp->pll + QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0); - writel(0x00, edp->pll + QSERDES_V4_COM_VCO_TUNE_MAP); - writel(lock_cmp1_mode0, edp->pll + QSERDES_V4_COM_LOCK_CMP1_MODE0); - writel(lock_cmp2_mode0, edp->pll + QSERDES_V4_COM_LOCK_CMP2_MODE0); - - writel(0x0a, edp->pll + QSERDES_V4_COM_BG_TIMER); - writel(0x14, edp->pll + QSERDES_V4_COM_CORECLK_DIV_MODE0); - writel(0x00, edp->pll + QSERDES_V4_COM_VCO_TUNE_CTRL); - writel(0x17, edp->pll + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN); - writel(0x0f, edp->pll + QSERDES_V4_COM_CORE_CLK_EN); - writel(0xa0, edp->pll + QSERDES_V4_COM_VCO_TUNE1_MODE0); - writel(0x03, edp->pll + QSERDES_V4_COM_VCO_TUNE2_MODE0); + hsclk_sel = init->hsclk_sel[link_rate]; + dec_start_mode0 = init->dec_start_mode0[link_rate]; + div_frac_start2_mode0 = init->div_frac_start2_mode0[link_rate]; + div_frac_start3_mode0 = init->div_frac_start3_mode0[link_rate]; + lock_cmp1_mode0 = init->lock_cmp1_mode0[link_rate]; + lock_cmp2_mode0 = init->lock_cmp2_mode0[link_rate]; + + if (init->code1_mode0) + code1_mode0 = init->code1_mode0[link_rate]; + + if (init->code2_mode0) + code2_mode0 = init->code2_mode0[link_rate]; + + writel(0x01, edp->pll + regs->svs_mode_clk_sel); + writel(0x0b, edp->pll + regs->sysclk_en_sel); + writel(0x02, edp->pll + regs->sys_clk_ctrl); + writel(0x0c, edp->pll + regs->clk_enable1); + writel(0x06, edp->pll + regs->sysclk_buf_enable); + writel(0x30, edp->pll + regs->clk_select); + writel(hsclk_sel, edp->pll + regs->hsclk_sel); + writel(init->pll_ivco, edp->pll + regs->pll_ivco); + writel(0x08, edp->pll + regs->lock_cmp_en); + writel(0x36, edp->pll + regs->pll_cctrl_mode0); + writel(0x16, edp->pll + regs->pll_rctrl_mode0); + writel(0x06, edp->pll + regs->cp_ctrl_mode0); + writel(dec_start_mode0, edp->pll + regs->dec_start_mode0); + writel(0x00, edp->pll + regs->div_frac_start1_mode0); + writel(div_frac_start2_mode0, edp->pll + regs->div_frac_start2_mode0); + writel(div_frac_start3_mode0, edp->pll + regs->div_frac_start3_mode0); + writel(init->cmn_config, edp->pll + regs->cmn_config); + writel(0x3f, edp->pll + regs->integloop_gain0_mode0); + writel(0x00, edp->pll + regs->integloop_gain1_mode0); + writel(0x00, edp->pll + regs->vco_tune_map); + writel(lock_cmp1_mode0, edp->pll + regs->lock_cmp1_mode0); + writel(lock_cmp2_mode0, edp->pll + regs->lock_cmp2_mode0); + + writel(0x0a, edp->pll + regs->bg_timer); + writel(0x14, edp->pll + regs->pll_core_clk_div_mode0); + writel(0x00, edp->pll + regs->vco_tune_ctrl); + writel(0x17, edp->pll + regs->pll_bias_en_clk_buflr_en); + writel(0x0f, edp->pll + regs->core_clk_en); + + if (regs->vco_tune1_mode0) + writel(init->vco_tune1_mode0, edp->pll + regs->vco_tune1_mode0); + + if (regs->vco_tune2_mode0) + writel(init->vco_tune2_mode0, edp->pll + regs->vco_tune2_mode0); + + if (regs->bin_vcocal_cmp_code1_mode0) + writel(code1_mode0, edp->pll + regs->bin_vcocal_cmp_code1_mode0); + + if (regs->bin_vcocal_cmp_code2_mode0) + writel(code2_mode0, edp->pll + regs->bin_vcocal_cmp_code2_mode0); return 0; } @@ -447,10 +808,10 @@ static int qcom_edp_set_vco_div(const struct qcom_edp *edp, unsigned long *pixel static int qcom_edp_phy_power_on(struct phy *phy) { const struct qcom_edp *edp = phy_get_drvdata(phy); - const struct qcom_edp_cfg *cfg = edp->cfg; + const struct qmp_com_regs_layout *regs = edp->com_regs; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; unsigned long pixel_freq; - u8 ldo_config; + u8 ldo_config = 0x0; int timeout; int ret; u32 val; @@ -462,13 +823,14 @@ static int qcom_edp_phy_power_on(struct phy *phy) edp->edp + DP_PHY_PD_CTL); writel(0xfc, edp->edp + DP_PHY_MODE); - timeout = readl_poll_timeout(edp->pll + QSERDES_V4_COM_CMN_STATUS, + timeout = readl_poll_timeout(edp->pll + regs->cmn_status, val, val & BIT(7), 5, 200); if (timeout) return timeout; - ldo_config = (cfg && cfg->is_dp) ? 0x1 : 0x0; + if (edp->swing_pre_emph_cfg && edp->is_dp) + ldo_config = 0x1; writel(ldo_config, edp->tx0 + TXn_LDO_CONFIG); writel(ldo_config, edp->tx1 + TXn_LDO_CONFIG); @@ -512,9 +874,9 @@ static int qcom_edp_phy_power_on(struct phy *phy) writel(0x01, edp->edp + DP_PHY_CFG); writel(0x09, edp->edp + DP_PHY_CFG); - writel(0x20, edp->pll + QSERDES_V4_COM_RESETSM_CNTRL); + writel(0x20, edp->pll + regs->resetsm_cntrl); - timeout = readl_poll_timeout(edp->pll + QSERDES_V4_COM_C_READY_STATUS, + timeout = readl_poll_timeout(edp->pll + regs->c_ready_status, val, val & BIT(0), 500, 10000); if (timeout) return timeout; @@ -768,6 +1130,37 @@ static int qcom_edp_clks_register(struct qcom_edp *edp, struct device_node *np) return devm_of_clk_add_hw_provider(edp->dev, of_clk_hw_onecell_get, data); } +static int qcom_edp_setup_phy(struct platform_device *pdev, struct qcom_edp *edp) +{ + struct device *dev = &pdev->dev; + const struct qmp_phy_cfg *cfg = of_device_get_match_data(dev); + enum dp_qmp_com_version version = cfg->version; + struct device_node *node = dev->of_node; + int type = cfg->type; + + of_property_read_u32(node, "phy-type", &type); + + if (type != PHY_TYPE_DP && type != PHY_TYPE_EDP) + return -EINVAL; + + edp->is_dp = (type == PHY_TYPE_DP) ? true : false; + + if (cfg->needs_swing_pre_emph_cfg) + edp->swing_pre_emph_cfg = edp->is_dp ? + &dp_phy_swing_pre_emph_cfg: + &edp_phy_swing_pre_emph_cfg; + + if (version == DP_QMP_VERSION_V6) { + edp->com_regs = &qmp_v6_com_regs; + edp->init_values = &qmp_v6_com_init; + } else { + edp->com_regs = &qmp_v4_com_regs; + edp->init_values = &qmp_v4_com_init; + } + + return 0; +} + static int qcom_edp_phy_probe(struct platform_device *pdev) { struct phy_provider *phy_provider; @@ -780,7 +1173,10 @@ static int qcom_edp_phy_probe(struct platform_device *pdev) return -ENOMEM; edp->dev = dev; - edp->cfg = of_device_get_match_data(&pdev->dev); + + ret = qcom_edp_setup_phy(pdev, edp); + if (ret) + return ret; edp->edp = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(edp->edp)) @@ -839,10 +1235,11 @@ static int qcom_edp_phy_probe(struct platform_device *pdev) } static const struct of_device_id qcom_edp_phy_match_table[] = { - { .compatible = "qcom,sc7280-edp-phy" }, - { .compatible = "qcom,sc8180x-edp-phy" }, - { .compatible = "qcom,sc8280xp-dp-phy", .data = &dp_phy_cfg }, - { .compatible = "qcom,sc8280xp-edp-phy", .data = &edp_phy_cfg }, + { .compatible = "qcom,sc7280-edp-phy" , .data = &sc7280_dp_phy_cfg, }, + { .compatible = "qcom,sc8180x-edp-phy", .data = &sc7280_dp_phy_cfg, }, + { .compatible = "qcom,sc8280xp-dp-phy", .data = &sc8280xp_dp_phy_cfg, }, + { .compatible = "qcom,sc8280xp-edp-phy", .data = &sc8280xp_edp_phy_cfg, }, + { .compatible = "qcom,x1e80100-dp-phy" , .data = &x1e80100_phy_cfg, }, { } }; MODULE_DEVICE_TABLE(of, qcom_edp_phy_match_table);