linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: sm6375-pdx225: Enable SD card slot

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Message-Id: <20221109144153.53630-4-konrad.dybcio@linaro.org>
Date:   Wed,  9 Nov 2022 15:41:53 +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>,
        Konrad Dybcio <konrad.dybcio@...ainline.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 v2 3/3] arm64: dts: qcom: sm6375-pdx225: Enable SD card slot

Set SDHCI VMMC/VQMMC to <=2v96 and allow load setting by the SDHCI
driver, as required by this use case.

Configure the SD Card Detect pin, enable the SDHCI2 controller and
assign it the aforementioned regulators.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Changes since v1:
- remove stray newline
- pick up r-b

 .../qcom/sm6375-sony-xperia-murray-pdx225.dts | 33 +++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
index 33083f18755b..7cf71b8bcac5 100644
--- a/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
+++ b/arch/arm64/boot/dts/qcom/sm6375-sony-xperia-murray-pdx225.dts
@@ -153,7 +153,8 @@ pm6125_l4: l4 {
 
 		pm6125_l5: l5 {
 			regulator-min-microvolt = <1650000>;
-			regulator-max-microvolt = <3050000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-allow-set-load;
 		};
 
 		pm6125_l6: l6 {
@@ -235,7 +236,8 @@ pm6125_l21: l21 {
 
 		pm6125_l22: l22 {
 			regulator-min-microvolt = <2704000>;
-			regulator-max-microvolt = <3544000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-allow-set-load;
 		};
 
 		pm6125_l23: l23 {
@@ -302,6 +304,33 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&sdc2_off_state {
+	sd-cd-pins {
+		pins = "gpio94";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+};
+
+&sdc2_on_state {
+	sd-cd-pins {
+		pins = "gpio94";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
+
+&sdhc_2 {
+	status = "okay";
+
+	vmmc-supply = <&pm6125_l22>;
+	vqmmc-supply = <&pm6125_l5>;
+
+	cd-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>;
+};
+
 &tlmm {
 	gpio-reserved-ranges = <13 4>;
 
-- 
2.38.1