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Mon, 29 Jun 2026 21:24:05 -0700 (PDT) Received: from nuvole ([2408:844c:b00:2b2f:398a:8bef:b88c:653a]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c9bbc6da7a1sm765928a12.2.2026.06.29.21.24.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 21:24:04 -0700 (PDT) From: Pengyu Luo To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Pengyu Luo Subject: [PATCH] arm64: dts: qcom: sc8280xp-huawei-gaokun3: Add dsi panel DT node Date: Tue, 30 Jun 2026 12:22:29 +0800 Message-ID: <20260630042229.277799-1-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit DSI panel driver have been added for a while, so add the DT node to enable it. vdd{a,s}-supply for dsi, dsi_phy are blank since the DSDT describes the wrong, no impact after manual disabling these wrong supplies. Signed-off-by: Pengyu Luo --- .../boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 165 ++++++++++++++++++ 1 file changed, 165 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts index f3c00be67081..658bb253394a 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts @@ -11,6 +11,7 @@ /dts-v1/; +#include #include #include #include @@ -98,6 +99,52 @@ switch-mode { }; }; + vreg_avdd_5p5: regulator-avdd-5p5 { + compatible = "regulator-fixed"; + + regulator-name = "vreg_avdd_5p5"; + regulator-min-microvolt = <5500000>; + regulator-max-microvolt = <5500000>; + + gpio = <&tlmm 53 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&avdd_reg_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + + vreg_avee_5p5: regulator-avee-5p5 { + compatible = "regulator-fixed"; + + regulator-name = "vreg_avee_5p5"; + regulator-min-microvolt = <5500000>; + regulator-max-microvolt = <5500000>; + + gpio = <&tlmm 52 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&avee_reg_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + + vreg_vddi_1p8: regulator-vddi-1p8 { + compatible = "regulator-fixed"; + + regulator-name = "vreg_vddi_1p8"; + + gpio = <&tlmm 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&vddi_reg_en>; + pinctrl-names = "default"; + + regulator-boot-on; + }; + vreg_misc_3p3: regulator-misc-3p3 { compatible = "regulator-fixed"; @@ -616,6 +663,9 @@ touchscreen@4f { hid-descr-addr = <0x1>; interrupts-extended = <&tlmm 175 IRQ_TYPE_LEVEL_LOW>; + /* TODO: set post-reset-deassert-delay-ms */ + panel = <&panel>; + vdd-supply = <&vreg_misc_3p3>; vddl-supply = <&vreg_s10b>; @@ -738,6 +788,86 @@ &mdss0_dp1_out { remote-endpoint = <&usb_1_qmpphy_dp_in>; }; +&mdss0_dsi0 { + /* real vdda is unknown */ + + qcom,dual-dsi-mode; + qcom,master-dsi; + qcom,sync-dual-dsi; + + status = "okay"; + + panel: panel@0 { + compatible = "csot,ppc357db1-4", "himax,hx83121a"; + reg = <0>; + + pinctrl-0 = <&disp_reset_n>, <&mdp_vsync_default>; + pinctrl-names = "default"; + + reset-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>; + + vddi-supply = <&vreg_vddi_1p8>; + avdd-supply = <&vreg_avdd_5p5>; + avee-supply = <&vreg_avee_5p5>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + panel_in_0: endpoint { + remote-endpoint = <&mdss0_dsi0_out>; + }; + }; + + port@1 { + reg = <1>; + + panel_in_1: endpoint { + remote-endpoint = <&mdss0_dsi1_out>; + }; + }; + }; + }; +}; + +&mdss0_dsi0_out { + data-lanes = <0 1 2 3>; + remote-endpoint = <&panel_in_0>; +}; + +&mdss0_dsi0_phy { + /* real vdds is unknown */ + + status = "okay"; +}; + +&mdss0_dsi1 { + /* real vdda is unknown */ + + qcom,dual-dsi-mode; + qcom,sync-dual-dsi; + + status = "okay"; + + /* DSI1 is slave, so use DSI0 clocks */ + assigned-clock-parents = <&mdss0_dsi0_phy DSI_BYTE_PLL_CLK>, + <&mdss0_dsi0_phy DSI_PIXEL_PLL_CLK>; +}; + +&mdss0_dsi1_out { + data-lanes = <0 1 2 3>; + remote-endpoint = <&panel_in_1>; +}; + +&mdss0_dsi1_phy { + /* real vdds is unknown */ + + status = "okay"; +}; + &pcie2a { perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; @@ -1303,6 +1433,20 @@ &tlmm { gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 4>; + avdd_reg_en: avdd-reg-en-state { + pins = "gpio53"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + + avee_reg_en: avee-reg-en-state { + pins = "gpio52"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + bt_default: bt-default-state { hstp-bt-en-pins { pins = "gpio133"; @@ -1318,6 +1462,20 @@ hstp-sw-ctrl-pins { }; }; + disp_reset_n: disp-reset-n-state { + pins = "gpio38"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + + mdp_vsync_default: mdp-vsync-default-state { + pins = "gpio8"; + function = "mdp_vsync"; + drive-strength = <2>; + bias-disable; + }; + i2c4_default: i2c4-default-state { pins = "gpio171", "gpio172"; function = "qup4"; @@ -1470,6 +1628,13 @@ usb1_sbu_default: usb1-sbu-state { bias-disable; }; + vddi_reg_en: vddi-reg-en-state { + pins = "gpio0"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + wcd_default: wcd-default-state { reset-pins { pins = "gpio106"; -- 2.54.0