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| author | Linus Lüssing <linus.luessing@c0d3.blue> | 2018-03-17 23:11:14 +0300 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2018-03-21 00:32:31 +0300 |
| commit | e03efbce6bebf55111ec8e22e2f545f72aff6cfd (patch) | |
| tree | 412435ad6b07f47a70e56f428b54c6b5fed9b010 | |
| parent | 7a6cc8be3938c322964065312d57439a92584488 (diff) | |
| download | linux-e03efbce6bebf55111ec8e22e2f545f72aff6cfd.tar.xz | |
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>
| -rw-r--r-- | arch/arm/boot/dts/meson8b-odroidc1.dts | 58 | ||||
| -rw-r--r-- | arch/arm/boot/dts/meson8b.dtsi | 8 |
2 files changed, 66 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>; + }; +}; + ðmac { status = "okay"; diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi index 5f7841b2d163..f9eceab4e3db 100644 --- a/arch/arm/boot/dts/meson8b.dtsi +++ b/arch/arm/boot/dts/meson8b.dtsi @@ -206,6 +206,14 @@ 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"; + }; + }; }; }; |