linux-kernel - [PATCH 3/7] arm64: dts: qcom: sm8450-nagara: Add GPIO line names for PMIC GPIOs

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Date:   Tue, 13 Dec 2022 20:10:32 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     marijn.suijten@...ainline.org, Vinod Koul <vkoul@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] arm64: dts: qcom: sm8450-nagara: Add GPIO line names for PMIC GPIOs

Sony ever so graciously provides GPIO line names in their downstream
kernel (though sometimes they are not 100% accurate and you can judge
that by simply looking at them and with what drivers they are used).

Add these to the PDX223&224 DTSIs to better document the hardware.

Diff between 223 and 224:
pm8350b
< 			  "CAM_PWR_LD_EN",
> 			  "NC",

pm8350c
<			  "RGBC_IR_PWR_EN",
> 			  "NC",

Which is due to different camera power wiring on 223 and lack of a
ToF sensor on 224.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../qcom/sm8450-sony-xperia-nagara-pdx223.dts | 23 ++++++++++++++++
 .../qcom/sm8450-sony-xperia-nagara-pdx224.dts | 23 ++++++++++++++++
 .../dts/qcom/sm8450-sony-xperia-nagara.dtsi   | 27 +++++++++++++++++++
 3 files changed, 73 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts
index b83500316a81..561cd4f09ab7 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts
@@ -13,6 +13,29 @@ / {
 	compatible = "sony,pdx223", "qcom,sm8450";
 };
 
+&pm8350b_gpios {
+	gpio-line-names = "CAM_PWR_A_CS", /* GPIO_1 */
+			  "NC",
+			  "NC",
+			  "NC",
+			  "SNAPSHOT_N",
+			  "CAM_PWR_LD_EN",
+			  "NC",
+			  "FOCUS_N";
+};
+
+&pm8350c_gpios {
+	gpio-line-names = "FL_STROBE_TRIG_WIDE", /* GPIO_1 */
+			  "FL_STROBE_TRIG_TELE",
+			  "WLC_ID",
+			  "WLC_TXPWR_EN",
+			  "NC",
+			  "RGBC_IR_PWR_EN",
+			  "NC",
+			  "NC",
+			  "WIDEC_PWR_EN";
+};
+
 &tlmm {
 	gpio-line-names = "NC", /* GPIO_0 */
 			  "NC",
diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx224.dts b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx224.dts
index 13c2fc4bccfc..fc9d74d0f227 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx224.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx224.dts
@@ -20,6 +20,29 @@ imx563_vdig_vreg: imx563-vdig-regulator {
 	};
 };
 
+&pm8350b_gpios {
+	gpio-line-names = "CAM_PWR_A_CS", /* GPIO_1 */
+			  "NC",
+			  "NC",
+			  "NC",
+			  "SNAPSHOT_N",
+			  "NC",
+			  "NC",
+			  "FOCUS_N";
+};
+
+&pm8350c_gpios {
+	gpio-line-names = "FL_STROBE_TRIG_WIDE", /* GPIO_1 */
+			  "FL_STROBE_TRIG_TELE",
+			  "WLC_ID",
+			  "WLC_TXPWR_EN",
+			  "NC",
+			  "NC", /* RGBCIR uses a PMIC vreg, so it's most likely NC. */
+			  "NC",
+			  "NC",
+			  "WIDEC_PWR_EN";
+};
+
 &tlmm {
 	gpio-line-names = "TELE_SPI_MISO", /* GPIO_0 */
 			  "TELE_SPI_MOSI", /* SONY says NC, but it only makes sense this way.. */
diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
index e29fb7adc780..8e128efcb128 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara.dtsi
@@ -551,6 +551,33 @@ &pcie0_phy {
 	status = "okay";
 };
 
+&pm8350_gpios {
+	gpio-line-names = "ASSIGN1_THERM", /* GPIO_1 */
+			  "LCD_ID",
+			  "SDR_MMW_THERM",
+			  "RF_ID",
+			  "NC",
+			  "VOL_DOWN_N",
+			  "NC",
+			  "NC",
+			  "NC",
+			  "PM8350_OPTION"; /* GPIO_10 */
+};
+
+&pm8450_gpios {
+	gpio-line-names = "FP_LDO_EN", /* GPIO_1 */
+			  "",
+			  "",
+			  "";
+};
+
+&pmk8350_gpios {
+	gpio-line-names = "NC", /* GPIO_1 */
+			  "NC",
+			  "DISP_THERM",
+			  "PMK8350_OPTION";
+};
+
 &remoteproc_adsp {
 	firmware-name = "qcom/sm8350/Sony/nagara/adsp.mbn";
 	status = "okay";
-- 
2.39.0