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Wed, 03 Sep 2025 05:37:57 -0700 (PDT) From: Abel Vesa Date: Wed, 03 Sep 2025 15:37:42 +0300 Subject: [PATCH v2 1/3] dt-bindings: phy: qcom-edp: Add missing clock for X Elite Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250903-phy-qcom-edp-add-missing-refclk-v2-1-d88c1b0cdc1b@linaro.org> References: <20250903-phy-qcom-edp-add-missing-refclk-v2-0-d88c1b0cdc1b@linaro.org> In-Reply-To: <20250903-phy-qcom-edp-add-missing-refclk-v2-0-d88c1b0cdc1b@linaro.org> To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Dmitry Baryshkov , Konrad Dybcio , Sibi Sankar , Rajendra Nayak Cc: Johan Hovold , Taniya Das , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa , stable@vger.kernel.org X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE On X Elite platform, the eDP PHY uses one more clock called refclk. Add it to the schema. Cc: stable@vger.kernel.org # v6.10 Fixes: 5d5607861350 ("dt-bindings: phy: qcom-edp: Add X1E80100 PHY compatib= les") Signed-off-by: Abel Vesa --- .../devicetree/bindings/phy/qcom,edp-phy.yaml | 28 ++++++++++++++++++= +++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Docu= mentation/devicetree/bindings/phy/qcom,edp-phy.yaml index eb97181cbb9579893b4ee26a39c3559ad87b2fba..a8ba0aa9ff9d83f317bd897a7d5= 64f7e13f6a1e2 100644 --- a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml @@ -37,12 +37,15 @@ properties: - description: PLL register block =20 clocks: - maxItems: 2 + minItems: 2 + maxItems: 3 =20 clock-names: + minItems: 2 items: - const: aux - const: cfg_ahb + - const: refclk =20 "#clock-cells": const: 1 @@ -64,6 +67,29 @@ required: - "#clock-cells" - "#phy-cells" =20 +allOf: + - if: + properties: + compatible: + enum: + - qcom,x1e80100-dp-phy + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + minItems: 3 + maxItems: 3 + else: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + minItems: 2 + maxItems: 2 + additionalProperties: false =20 examples: --=20 2.45.2 From nobody Fri Oct 3 07:39:30 2025 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A2E382FE04B for ; 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Wed, 03 Sep 2025 05:38:00 -0700 (PDT) Received: from hackbox.lan ([86.121.170.194]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3d0a7691340sm22526782f8f.39.2025.09.03.05.37.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Sep 2025 05:37:59 -0700 (PDT) From: Abel Vesa Date: Wed, 03 Sep 2025 15:37:43 +0300 Subject: [PATCH v2 2/3] phy: qcom: edp: Make the number of clocks flexible Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250903-phy-qcom-edp-add-missing-refclk-v2-2-d88c1b0cdc1b@linaro.org> References: <20250903-phy-qcom-edp-add-missing-refclk-v2-0-d88c1b0cdc1b@linaro.org> In-Reply-To: <20250903-phy-qcom-edp-add-missing-refclk-v2-0-d88c1b0cdc1b@linaro.org> To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Dmitry Baryshkov , Konrad Dybcio , Sibi Sankar , Rajendra Nayak Cc: Johan Hovold , Taniya Das , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa , stable@vger.kernel.org X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE On X Elite, the DP PHY needs another clock called refclk, while all other platforms do not. So get all the clocks regardless of how many there are provided. Cc: stable@vger.kernel.org # v6.10 Fixes: db83c107dc29 ("phy: qcom: edp: Add v6 specific ops and X1E80100 plat= form support") Signed-off-by: Abel Vesa --- drivers/phy/qualcomm/phy-qcom-edp.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy= -qcom-edp.c index f1b51018683d51df064f60440864c6031638670c..116b7f7b4f8be93e5128c3cc6f3= 82ce7576accbc 100644 --- a/drivers/phy/qualcomm/phy-qcom-edp.c +++ b/drivers/phy/qualcomm/phy-qcom-edp.c @@ -103,7 +103,9 @@ struct qcom_edp { =20 struct phy_configure_opts_dp dp_opts; =20 - struct clk_bulk_data clks[2]; + struct clk_bulk_data *clks; + int num_clks; + struct regulator_bulk_data supplies[2]; =20 bool is_edp; @@ -218,7 +220,7 @@ static int qcom_edp_phy_init(struct phy *phy) if (ret) return ret; =20 - ret =3D clk_bulk_prepare_enable(ARRAY_SIZE(edp->clks), edp->clks); + ret =3D clk_bulk_prepare_enable(edp->num_clks, edp->clks); if (ret) goto out_disable_supplies; =20 @@ -885,7 +887,7 @@ static int qcom_edp_phy_exit(struct phy *phy) { struct qcom_edp *edp =3D phy_get_drvdata(phy); =20 - clk_bulk_disable_unprepare(ARRAY_SIZE(edp->clks), edp->clks); + clk_bulk_disable_unprepare(edp->num_clks, edp->clks); regulator_bulk_disable(ARRAY_SIZE(edp->supplies), edp->supplies); =20 return 0; @@ -1092,11 +1094,11 @@ static int qcom_edp_phy_probe(struct platform_devic= e *pdev) if (IS_ERR(edp->pll)) return PTR_ERR(edp->pll); =20 - edp->clks[0].id =3D "aux"; - edp->clks[1].id =3D "cfg_ahb"; - ret =3D devm_clk_bulk_get(dev, ARRAY_SIZE(edp->clks), edp->clks); - if (ret) - return ret; + edp->num_clks =3D devm_clk_bulk_get_all(dev, &edp->clks); + if (edp->num_clks < 0) { + dev_err(dev, "Failed to get clocks\n"); + return edp->num_clks; + } =20 edp->supplies[0].supply =3D "vdda-phy"; edp->supplies[1].supply =3D "vdda-pll"; --=20 2.45.2 From nobody Fri Oct 3 07:39:30 2025 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91A241A288 for ; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE The DP PHYs on X1E80100 need the refclk which is provided by the TCSR CC. So add it to the PHYs. Cc: stable@vger.kernel.org # v6.9 Fixes: 1940c25eaa63 ("arm64: dts: qcom: x1e80100: Add display nodes") Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/x1e80100.dtsi | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/q= com/x1e80100.dtsi index 737c5dbd1c808300041cc8897ca1f7450e16e019..495356a7ebe662c68385a19ee06= 57033e44e0c7a 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi @@ -5670,9 +5670,11 @@ mdss_dp2_phy: phy@aec2a00 { <0 0x0aec2000 0 0x1c8>; =20 clocks =3D <&dispcc DISP_CC_MDSS_DPTX2_AUX_CLK>, - <&dispcc DISP_CC_MDSS_AHB_CLK>; + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&tcsr TCSR_EDP_CLKREF_EN>; clock-names =3D "aux", - "cfg_ahb"; + "cfg_ahb", + "refclk"; =20 power-domains =3D <&rpmhpd RPMHPD_MX>; =20 @@ -5690,9 +5692,11 @@ mdss_dp3_phy: phy@aec5a00 { <0 0x0aec5000 0 0x1c8>; =20 clocks =3D <&dispcc DISP_CC_MDSS_DPTX3_AUX_CLK>, - <&dispcc DISP_CC_MDSS_AHB_CLK>; + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&tcsr TCSR_EDP_CLKREF_EN>; clock-names =3D "aux", - "cfg_ahb"; + "cfg_ahb", + "refclk"; =20 power-domains =3D <&rpmhpd RPMHPD_MX>; =20 --=20 2.45.2