[PATCH V4 2/2] arm64: dts: qcom: Enable SD card for Shikra EVK

Monish Chunara <[email protected]> Tue, 4 Aug 2026 17:50:54 +0530
Newsgroups org.kernel.vger.linux-mmc,org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
Enable SD card for Shikra CQS, CQM and IQS EVK variants. Configure the
vmmc/vqmmc regulators and gpio-based card detection for each board
variant.

Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Monish Chunara <[email protected]>
---
 arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts |  9 +++++++++
 arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts |  9 +++++++++
 arch/arm64/boot/dts/qcom/shikra-evk.dtsi    | 11 +++++++++++
 arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts |  9 +++++++++
 4 files changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
index 0a52ab9b7a4c..8e4656a51371 100644
--- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
@@ -7,6 +7,7 @@
 
 #include "shikra-cqm-som.dtsi"
 #include "shikra-evk.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Qualcomm Technologies, Inc. Shikra CQM EVK";
@@ -15,6 +16,7 @@ / {
 
 	aliases {
 		mmc0 = &sdhc_1;
+		mmc1 = &sdhc_2; /* SDC2 SD card slot */
 		serial0 = &uart0;
 	};
 
@@ -38,3 +40,10 @@ &sdhc_1 {
 
 	status = "okay";
 };
+
+&sdhc_2 {
+	vmmc-supply = <&pm4125_l21>;
+	vqmmc-supply = <&pm4125_l4>;
+
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
index b3f19a64d7ae..c13a02cfafeb 100644
--- a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
@@ -7,6 +7,7 @@
 
 #include "shikra-cqm-som.dtsi"
 #include "shikra-evk.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Qualcomm Technologies, Inc. Shikra CQS EVK";
@@ -15,6 +16,7 @@ / {
 
 	aliases {
 		mmc0 = &sdhc_1;
+		mmc1 = &sdhc_2; /* SDC2 SD card slot */
 		serial0 = &uart0;
 	};
 
@@ -38,3 +40,10 @@ &sdhc_1 {
 
 	status = "okay";
 };
+
+&sdhc_2 {
+	vmmc-supply = <&pm4125_l21>;
+	vqmmc-supply = <&pm4125_l4>;
+
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/shikra-evk.dtsi b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
index 6eb4184f7642..177a599cd2c2 100644
--- a/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
+++ b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
@@ -9,6 +9,17 @@ &qupv3_0 {
 	status = "okay";
 };
 
+&sdhc_2 {
+	pinctrl-0 = <&sdc2_default &sdc2_card_det_n>;
+	pinctrl-1 = <&sdc2_sleep &sdc2_card_det_n>;
+	pinctrl-names = "default", "sleep";
+
+	no-sdio;
+	no-mmc;
+
+	cd-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>;
+};
+
 &uart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
index 3003a47bd759..5d400d50a7b1 100644
--- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
+++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts
@@ -7,6 +7,7 @@
 
 #include "shikra-iqs-som.dtsi"
 #include "shikra-evk.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Qualcomm Technologies, Inc. Shikra IQS EVK";
@@ -15,6 +16,7 @@ / {
 
 	aliases {
 		mmc0 = &sdhc_1;
+		mmc1 = &sdhc_2; /* SDC2 SD card slot */
 		serial0 = &uart0;
 	};
 
@@ -38,3 +40,10 @@ &sdhc_1 {
 
 	status = "okay";
 };
+
+&sdhc_2 {
+	vmmc-supply = <&pm8150_l10>;
+	vqmmc-supply = <&pm8150_l2>;
+
+	status = "okay";
+};
-- 
2.34.1