[PATCH v2 3/3] arm64: dts: qcom: msm8998-mtp: Add external SD
From: Jeffrey Hugo
Date: Thu Nov 15 2018 - 15:45:27 EST
The externally accessible SD card slot on the MTP is driven by SDCC2.
Wire it up for use.
Signed-off-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 65 +++++++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/msm8998.dtsi | 1 +
2 files changed, 66 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index b4276da..cf74883 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -241,3 +241,68 @@
};
};
};
+
+&tlmm {
+ sdc2_clk_on: sdc2-clk-on {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <16>; /* 16 MA */
+ };
+
+ sdc2_clk_off: sdc2-clk-off {
+ pins = "sdc2_clk";
+ bias-disable; /* NO pull */
+ drive-strength = <2>; /* 2 MA */
+ };
+
+ sdc2_cmd_on: sdc2-cmd-on {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+
+ sdc2_cmd_off: sdc2-cmd-off {
+ pins = "sdc2_cmd";
+ bias-pull-up; /* pull up */
+ drive-strength = <2>; /* 2 MA */
+ };
+
+ sdc2_data_on: sdc2-data-on {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <10>; /* 10 MA */
+ };
+
+ sdc2_data_off: sdc2-data-off {
+ pins = "sdc2_data";
+ bias-pull-up; /* pull up */
+ drive-strength = <2>; /* 2 MA */
+ };
+
+ sdc2_cd_on: sdc2-cd-on {
+ function = "gpio";
+ pins = "gpio95";
+ bias-pull-up; /* pull up */
+ drive-strength = <2>; /* 2 MA */
+ };
+
+ sdc2_cd_off: sdc2-cd-off {
+ function = "gpio";
+ pins = "gpio95";
+ bias-pull-up; /* pull up */
+ drive-strength = <2>; /* 2 MA */
+ };
+};
+
+&sdhc2 {
+ status = "okay";
+ cd-gpios = <&tlmm 95 GPIO_ACTIVE_LOW>;
+
+ vmmc-supply = <&vreg_l21a_2p95>;
+ vqmmc-supply = <&vreg_l13a_2p95>;
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
+ pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
+};
+
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 09deee0..82f6472 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -3,6 +3,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-msm8998.h>
+#include <dt-bindings/gpio/gpio.h>
/ {
interrupt-parent = <&intc>;
--
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