linux-kernel - [PATCH v2 11/15] drm/msm/dsi: Reuse QCM2290 14nm DSI PHY configuration for SM6125

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Message-Id: <20230627-sm6125-dpu-v2-11-03e430a2078c@somainline.org>
Date:   Tue, 27 Jun 2023 22:14:26 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, Lux Aliaga <they@...t.lgbt>
Subject: [PATCH v2 11/15] drm/msm/dsi: Reuse QCM2290 14nm DSI PHY
 configuration for SM6125

SM6125 features only a single PHY (despite a secondary PHY PLL source
being available to the disp_cc_mdss_pclk0_clk_src clock), and downstream
sources for this "trinket" SoC do not define the typical "vcca"
regulator to be available nor used.  This, including the register offset
is identical to QCM2290, whose config struct can trivially be reused.

Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
---
 drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 9d5795c58a98..05621e5e7d63 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -561,6 +561,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
 	  .data = &dsi_phy_14nm_660_cfgs },
 	{ .compatible = "qcom,dsi-phy-14nm-8953",
 	  .data = &dsi_phy_14nm_8953_cfgs },
+	{ .compatible = "qcom,sm6125-dsi-phy-14nm",
+	  .data = &dsi_phy_14nm_2290_cfgs },
 #endif
 #ifdef CONFIG_DRM_MSM_DSI_10NM_PHY
 	{ .compatible = "qcom,dsi-phy-10nm",

-- 
2.41.0