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Sat, 25 Apr 2026 03:56:50 -0700 (PDT) From: Pengyu Luo To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Martin Kepplinger-Novakovic , Sakari Ailus , Mauro Carvalho Chehab , Hans Verkuil , Martin Kepplinger Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Pengyu Luo Subject: [PATCH 4/4] arm64: dts: qcom: sc8280xp: gaokun3: describe rear camera module information as musch as possible Date: Sat, 25 Apr 2026 18:53:00 +0800 Message-ID: <20260425105300.745044-5-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260425105300.745044-1-mitltlatltl@gmail.com> References: <20260425105300.745044-1-mitltlatltl@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The rear sensor is S5K3L6, describing it but dropping compatible string, since there is no upstream driver. A funcitonal downstream driver is in comment. The VCM is dw9714, describe it. Signed-off-by: Pengyu Luo --- Please take this patch as a RFC, I am not sure, how much I am allowed to add without a sensor driver. --- .../boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 129 +++++++++++++++++- 1 file changed, 123 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts index 39e559e91289..76b1ecb3819d 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts @@ -22,12 +22,18 @@ #include "sc8280xp.dtsi" #include "sc8280xp-pmics.dtsi" +/* remove due to gpio pins collision, skip 2nd instance won't break things */ +/delete-node/ &cci1_i2c1; +/delete-node/ &cci1_i2c1_default; +/delete-node/ &cci1_i2c1_sleep; + / { chassis-type = "tablet"; model = "Matebook E Go"; compatible = "huawei,gaokun3", "qcom,sc8280xp"; aliases { + i2c1 = &cci1_i2c0; i2c2 = &cci2_i2c1; i2c4 = &i2c4; i2c15 = &i2c15; @@ -52,9 +58,17 @@ framebuffer0: framebuffer@c6200000 { leds { compatible = "gpio-leds"; - pinctrl-0 = <&cam_indicator_en>; + pinctrl-0 = <&cam_indicator_en>, <&camera_flash_en>; pinctrl-names = "default"; + camera_flash: led { + function = LED_FUNCTION_FLASH; + color = ; + gpios = <&tlmm 93 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "none"; + default-state = "off"; + }; + privacy_led: privacy-led { function = LED_FUNCTION_INDICATOR; color = ; @@ -129,6 +143,18 @@ vreg_camf_1p2: regulator-camf-1p2 { pinctrl-names = "default"; }; + vreg_camr: regulator-camr { + compatible = "regulator-fixed"; + + regulator-name = "vreg_camr"; + + gpio = <&tlmm 92 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&camr_reg_en>; + pinctrl-names = "default"; + }; + vreg_misc_3p3: regulator-misc-3p3 { compatible = "regulator-fixed"; @@ -387,8 +413,8 @@ vreg_l1b: ldo1 { vreg_l2b: ldo2 { regulator-name = "vreg_l2b"; - regulator-min-microvolt = <1904000>; - regulator-max-microvolt = <1904000>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2800000>; regulator-initial-mode = ; }; @@ -433,10 +459,9 @@ vreg_l6b: ldo6 { vreg_l7b: ldo7 { regulator-name = "vreg_l7b"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; regulator-initial-mode = ; - regulator-boot-on; }; vreg_l9b: ldo9 { @@ -622,6 +647,16 @@ &camss { status = "okay"; ports { + port@0 { + csiphy0_ep: endpoint@0 { + reg = <0>; + + clock-lanes = <7>; + data-lanes = <0 1 2 3>; + remote-endpoint = <&s5k3l6_ep>; + }; + }; + port@3 { csiphy3_ep: endpoint@0 { reg = <0>; @@ -634,6 +669,58 @@ csiphy3_ep: endpoint@0 { }; }; +&cci1 { + status = "okay"; +}; + +&cci1_i2c0 { + voice_coil_motor: vcm@c { + compatible = "dongwoon,dw9714"; + reg = <0xc>; + vcc-supply = <&vreg_l7b>; /* FIXME: require l2c on first */ + }; + + /* + * https://source.puri.sm/Librem5/linux/-/blob/pureos/latest/drivers/media/i2c/s5k3l6xx.c + * + * This sensor has never been detected on Goakun3(2.69GHz) + */ + camera_rear: camera@10 { + reg = <0x10>; + + pinctrl-0 = <&camr_rgb_default>; + pinctrl-names = "default"; + + clocks = <&camcc CAMCC_MCLK4_CLK>; + clock-names = "mclk"; + clock-frequency = <24000000>; + + rstn-gpios = <&tlmm 7 GPIO_ACTIVE_LOW>; + + vddio-supply = <&vreg_camr>; + vdda-supply = <&vreg_l2b>; + vddd-supply = <&vreg_l2c>; + + /* &camera_flash can't be enabled directly for now */ + leds = <&privacy_led>; + led-names = "privacy"; + + lens-focus = <&voice_coil_motor>; + + orientation = <1>; + rotation = <180>; + + port { + s5k3l6_ep: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&csiphy0_ep>; + }; + }; + }; + + /* eeprom@50/51 */ +}; + &cci2 { status = "okay"; }; @@ -1423,6 +1510,13 @@ cam_indicator_en: cam-indicator-en-state { bias-disable; }; + camera_flash_en: camera-flash-en-state { + pins = "gpio93"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + camf_1p2_reg_en: camf-1p2-reg-en-state { pins = "gpio44"; function = "gpio"; @@ -1446,6 +1540,29 @@ sc-rgb-xshut-n-pins { }; }; + camr_reg_en: camr-reg-en-state { + pins = "gpio92"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + + camr_rgb_default: camr-rgb-default-state { + mclk-pins { + pins = "gpio6"; + function = "cam_mclk"; + drive-strength = <6>; + bias-disable; + }; + + sc-rgb-xshut-n-pins { + pins = "gpio7"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; + }; + i2c4_default: i2c4-default-state { pins = "gpio171", "gpio172"; function = "qup4"; -- 2.54.0