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alistair23-linux
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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>
hifive-unleashed-5.1
Biju Das 2019-01-16 18:37:49 +00:00 committed by Simon Horman
parent 4cf1f6cec1
commit a102b93eaf
1 changed files with 50 additions and 0 deletions
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50
arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
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@ -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";
};