This patch adds eMMC and SD card support with card detect and adding
required regulators.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
.../boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi | 9 ++++++
arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts | 34 ++++++++++++++++++++++
2 files changed, 43 insertions(+)
create mode 100644 arch/arm/boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi
new file mode 100644
index 0000000..7339919
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c-pins.dtsi
@@ -0,0 +1,9 @@
+&tlmm_pinmux {
+ card_detect: card-detect {
+ mux {
+ pins = "gpio26";
+ function = "gpio";
+ bias-disable;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
index 6695b00..d921424 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
@@ -1,4 +1,6 @@
#include "qcom-apq8064-v2.0.dtsi"
+#include "qcom-apq8064-arrow-db600c-pins.dtsi"
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "Arrow Electronics, APQ8064 DB600c";
@@ -69,6 +71,20 @@
regulator-max-microvolt = <1300000>;
qcom,switch-mode-frequency = <3200000>;
};
+
+ l5 {
+ regulator-min-microvolt = <2750000>;
+ regulator-max-microvolt = <3000000>;
+ bias-pull-down;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ l6 {
+ regulator-min-microvolt = <2950000>;
+ regulator-max-microvolt = <2950000>;
+ bias-pull-down;
+ };
};
};
@@ -94,5 +110,23 @@
pinctrl-0 = <&gsbi7_uart_2pins>;
};
};
+
+ amba {
+ /* eMMC */
+ sdcc@12400000 {
+ status = "okay";
+ vmmc-supply = <&pm8921_l5>;
+ vqmmc-supply = <&pm8921_s4>;
+ };
+
+ /* External micro SD card */
+ sdcc@12180000 {
+ status = "okay";
+ vmmc-supply = <&pm8921_l6>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&card_detect>;
+ cd-gpios = <&tlmm_pinmux 26 GPIO_ACTIVE_HIGH>;
+ };
+ };
};
};
--
2.5.0
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