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| author | Biju Das <biju.das@bp.renesas.com> | 2019-01-16 21:37:49 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2019-01-23 11:50:43 +0300 |
| commit | a102b93eafef0994f1a96e9683d1e3d692a6bb48 (patch) | |
| tree | ef3afb7eb8583a5475e1e87b60ee54af27e62ba5 /arch/arm64/boot/dts/renesas | |
| parent | 4cf1f6cec1e99410b5cdc0b865b93bebf68b3fdb (diff) | |
| download | linux-a102b93eafef0994f1a96e9683d1e3d692a6bb48.tar.xz | |
arm64: dts: renesas: r8a774c0-cat874: Add uSD support
This patch adds uSD card support.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts/renesas')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts index c545ce5320c7..477a56b3273c 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts @@ -7,6 +7,7 @@ /dts-v1/; #include "r8a774c0.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "Silicon Linux RZ/G2E 96board platform (CAT874)"; @@ -26,6 +27,29 @@ /* first 128MB is reserved for secure area. */ reg = <0x0 0x48000000 0x0 0x78000000>; }; + + vcc_sdhi0: regulator-vcc-sdhi0 { + compatible = "regulator-fixed"; + + regulator-name = "SDHI0 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + }; + + vccq_sdhi0: regulator-vccq-sdhi0 { + compatible = "regulator-gpio"; + + regulator-name = "SDHI0 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1 + 1800000 0>; + }; }; &extal_clk { @@ -37,6 +61,18 @@ groups = "scif2_data_a"; function = "scif2"; }; + + sdhi0_pins: sd0 { + groups = "sdhi0_data4", "sdhi0_ctrl"; + function = "sdhi0"; + power-source = <3300>; + }; + + sdhi0_pins_uhs: sd0_uhs { + groups = "sdhi0_data4", "sdhi0_ctrl"; + function = "sdhi0"; + power-source = <1800>; + }; }; &scif2 { @@ -45,3 +81,17 @@ status = "okay"; }; + +&sdhi0 { + pinctrl-0 = <&sdhi0_pins>; + pinctrl-1 = <&sdhi0_pins_uhs>; + pinctrl-names = "default", "state_uhs"; + + vmmc-supply = <&vcc_sdhi0>; + vqmmc-supply = <&vccq_sdhi0>; + cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-sdr104; + status = "okay"; +}; |