linux-kernel - [PATCH 3/3] arm64: dts: qcom: sdm845-tama: Add camera GPIO regulators

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Message-Id: <20230824-topic-tama_gpio-v1-3-014e9d198dce@linaro.org>
Date:   Thu, 24 Aug 2023 11:58:54 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.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>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 3/3] arm64: dts: qcom: sdm845-tama: Add camera GPIO
 regulators

Like on many other platforms, Tama devices utilize lots of GPIO-
enabled regulators for the camera sensors. Define them in the DT.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../boot/dts/qcom/sdm845-sony-xperia-tama.dtsi     | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
index 430857233967..b02a1dc5fecd 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
@@ -67,6 +67,36 @@ key-volume-up {
 		};
 	};
 
+	cam_vana_front_vreg: cam-vana-front-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "cam_vana_front_vreg";
+		gpio = <&tlmm 8 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&chat_cam_pwr_en>;
+		pinctrl-names = "default";
+	};
+
+	cam_vana_rear_vreg: cam-vana-rear-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "cam_vana_rear_vreg";
+		gpio = <&tlmm 27 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&main_cam_pwr_en>;
+		pinctrl-names = "default";
+	};
+
+	cam_vio_vreg: cam-vio-reagulator {
+		compatible = "regulator-fixed";
+		regulator-name = "cam_vio_vreg";
+		gpio = <&pmi8998_gpios 12 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&cam_io_en>;
+		pinctrl-names = "default";
+	};
+
 	vph_pwr: vph-pwr-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vph_pwr";
@@ -592,6 +622,17 @@ snapshot_n: snapshot-n-state {
 	};
 };
 
+&pmi8998_gpios {
+	cam_io_en: cam-io-en-state {
+		pins = "gpio12";
+		function = "normal";
+		qcom,drive-strength = <3>;
+		power-source = <0>;
+		drive-push-pull;
+		output-low;
+	};
+};
+
 &pmi8998_wled {
 	default-brightness = <800>;
 	qcom,switching-freq = <800>;
@@ -660,6 +701,14 @@ sde_dsi_sleep: sde-dsi-sleep-state {
 		bias-pull-down;
 	};
 
+	chat_cam_pwr_en: chat-cam-pwr-en-state {
+		pins = "gpio8";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+
 	sde_te_active_sleep: sde-te-active-sleep-state {
 		pins = "gpio10";
 		function = "mdp_vsync";
@@ -667,6 +716,14 @@ sde_te_active_sleep: sde-te-active-sleep-state {
 		bias-pull-down;
 	};
 
+	main_cam_pwr_en: main-cam-pwr-en-state {
+		pins = "gpio27";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+
 	ts_default: ts-default-state {
 		reset-pins {
 			pins = "gpio99";

-- 
2.42.0