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ARM: dts: meson8b-odroidc1: add microSD support

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The Odroid C1 features a microSD slot. This patch adds the necessary
DT bindings to support it.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Linus Lüssing 2018-03-17 21:11:14 +01:00 committed by Kevin Hilman
parent 7a6cc8be39
commit e03efbce6b
2 changed files with 66 additions and 0 deletions
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58
arch/arm/boot/dts/meson8b-odroidc1.dts
View File

@ -54,6 +54,7 @@ / {
aliases {
serial0 = &uart_AO;
mmc0 = &sd_card_slot;
};
memory {
@ -69,6 +70,37 @@ blue {
default-state = "off";
};
};
tflash_vdd: regulator-tflash_vdd {
/*
* signal name from schematics: TFLASH_VDD_EN
*/
compatible = "regulator-fixed";
regulator-name = "TFLASH_VDD";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
tf_io: gpio-regulator-tf_io {
compatible = "regulator-gpio";
regulator-name = "TF_IO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
/*
* signal name from schematics: TF_3V3N_1V8_EN
*/
gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <3300000 0
1800000 1>;
};
};
&uart_AO {
@ -100,6 +132,32 @@ &usb1 {
status = "okay";
};
&sdio {
status = "okay";
pinctrl-0 = <&sd_b_pins>;
pinctrl-names = "default";
/* SD card */
sd_card_slot: slot@1 {
compatible = "mmc-slot";
reg = <1>;
status = "okay";
bus-width = <4>;
no-sdio;
cap-mmc-highspeed;
cap-sd-highspeed;
disable-wp;
cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
cd-inverted;
vmmc-supply = <&tflash_vdd>;
vqmmc-supply = <&tf_io>;
};
};
&ethmac {
status = "okay";

8
arch/arm/boot/dts/meson8b.dtsi
View File

@ -206,6 +206,14 @@ mux {
function = "ethernet";
};
};
sd_b_pins: sd-b {
mux {
groups = "sd_d0_b", "sd_d1_b", "sd_d2_b",
"sd_d3_b", "sd_clk_b", "sd_cmd_b";
function = "sd_b";
};
};
};
};