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authorLinus Lüssing <linus.luessing@c0d3.blue>2018-03-17 21:11:14 +0100
committerKevin Hilman <khilman@baylibre.com>2018-03-20 22:32:31 +0100
commite03efbce6bebf55111ec8e22e2f545f72aff6cfd (patch)
tree412435ad6b07f47a70e56f428b54c6b5fed9b010 /arch/arm/boot/dts/meson8b-odroidc1.dts
parentARM: dts: meson8b: add the I2C clocks (diff)
downloadlinux-e03efbce6bebf55111ec8e22e2f545f72aff6cfd.tar.xz
linux-e03efbce6bebf55111ec8e22e2f545f72aff6cfd.zip
ARM: dts: meson8b-odroidc1: add microSD support
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>
Diffstat (limited to 'arch/arm/boot/dts/meson8b-odroidc1.dts')
-rw-r--r--arch/arm/boot/dts/meson8b-odroidc1.dts58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index d5e83051bb54..3a5603d95b70 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -54,6 +54,7 @@
aliases {
serial0 = &uart_AO;
+ mmc0 = &sd_card_slot;
};
memory {
@@ -69,6 +70,37 @@
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 @@
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";