linux-kernel - [PATCH 4/4] arm64: dts: qcom: sm8350-sagami: Wire up SDHCI2

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Date:   Tue, 15 Nov 2022 18:28:28 +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:     patches@...aro.org, Konrad Dybcio <konrad.dybcio@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: [PATCH 4/4] arm64: dts: qcom: sm8350-sagami: Wire up SDHCI2

Adjust regulators, add required pin setup and finally enable SDHCI2
to get the SD Card slot going on Sagami Xperias.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../dts/qcom/sm8350-sony-xperia-sagami.dtsi   | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
index a428ce31ab4e..fdf95b763cf4 100644
--- a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
@@ -312,7 +312,8 @@ pm8350c_l8: ldo8 {
 		pm8350c_l9: ldo9 {
 			regulator-name = "pm8350c_l9";
 			regulator-min-microvolt = <2960000>;
-			regulator-max-microvolt = <3008000>;
+			/* Originally max = 3008000 but SDHCI expects 2960000 */
+			regulator-max-microvolt = <2960000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
@@ -558,6 +559,19 @@ &qupv3_id_2 {
 	status = "okay";
 };
 
+&sdhc_2 {
+	cd-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sdc2_default_state &sdc2_card_det_active>;
+	pinctrl-1 = <&sdc2_sleep_state &sdc2_card_det_sleep>;
+	vmmc-supply = <&pm8350c_l9>;
+	vqmmc-supply = <&pm8350c_l6>;
+	no-sdio;
+	no-mmc;
+	status = "okay";
+};
+
+
 &slpi {
 	status = "okay";
 	firmware-name = "qcom/sm8350/Sony/sagami/slpi.mbn";
@@ -782,6 +796,20 @@ ts_int_default: ts-int-default-state {
 		bias-disable;
 		input-enable;
 	};
+
+	sdc2_card_det_active: sd-card-det-active-state {
+		pins = "gpio92";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
+	sdc2_card_det_sleep: sd-card-det-sleep-state {
+		pins = "gpio92";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
 };
 
 /* BIG WARNING! DO NOT TOUCH UFS, YOUR DEVICE WILL DIE! */
-- 
2.38.1