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ARM: dts: qcom: msm8974-klte: Add support for SD card

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The Samsung Galaxy S5 (klte), has 3 SDHCI nodes used for internal
storage, WiFi, external SD card slot. The external SD card slot is
similar to the internal storage.

Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20200920144859.813032-8-iskren.chernev@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Iskren Chernev 2020-09-20 17:48:59 +03:00 committed by Bjorn Andersson
parent 19524d5b17
commit 5434dcef54
1 changed files with 43 additions and 1 deletions
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44
arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
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@ -12,6 +12,8 @@
aliases {
serial0 = &blsp1_uart1;
sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
sdhc2 = &sdhc_2; /* SDC2 SD card slot */
};
chosen {
@ -161,6 +163,9 @@
pma8084_l21: l21 {
regulator-min-microvolt = <2950000>;
regulator-max-microvolt = <2950000>;
regulator-allow-set-load;
regulator-system-load = <200000>;
};
pma8084_l22: l22 {
@ -349,6 +354,24 @@
};
};
sdhc2_pin_a: sdhc2-pin-active {
clk-cmd-data {
pins = "gpio35", "gpio36", "gpio37", "gpio38",
"gpio39", "gpio40";
function = "sdc3";
drive-strength = <8>;
bias-disable;
};
};
sdhc2_cd_pin: sdhc2-cd {
pins = "gpio62";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
sdhc3_pin_a: sdhc3-pin-active {
clk {
pins = "sdc2_clk";
@ -422,7 +445,7 @@
};
};
sdhci@f9824900 {
sdhc_1: sdhci@f9824900 {
status = "ok";
vmmc-supply = <&pma8084_l20>;
@ -435,6 +458,25 @@
pinctrl-0 = <&sdhc1_pin_a>;
};
sdhc_2: sdhci@f9864900 {
status = "ok";
max-frequency = <100000000>;
vmmc-supply = <&pma8084_l21>;
vqmmc-supply = <&pma8084_l13>;
bus-width = <4>;
/* cd-gpio is intentionally disabled. If enabled, an SD card
* present during boot is not initialized correctly. Without
* cd-gpios the driver resorts to polling, so hotplug works.
*/
pinctrl-names = "default";
pinctrl-0 = <&sdhc2_pin_a /* &sdhc2_cd_pin */>;
// cd-gpios = <&msmgpio 62 GPIO_ACTIVE_LOW>;
};
sdhci@f98a4900 {
status = "okay";