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ARM: dts: iwg23s-sbc: Add uSD and eMMC support 

Add uSD card and eMMC support to the iwg23s single board
computer powered by the RZ/G1C SoC (a.k.a. r8a77470).

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Fabrizio Castro 2018-10-08 09:51:52 +01:00 committed by Simon Horman
parent 0485da7880
commit 9eb36b945b
1 changed files with 76 additions and 0 deletions
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76
arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts
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@ -6,6 +6,7 @@
*/ */
/dts-v1/; /dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "r8a77470.dtsi" #include "r8a77470.dtsi"
/ { / {
model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C"; model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C";
@ -25,6 +26,37 @@
device_type = "memory"; device_type = "memory";
reg = <0 0x40000000 0 0x20000000>; reg = <0 0x40000000 0 0x20000000>;
}; };
reg_1p8v: reg-1p8v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: reg-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
vccq_sdhi2: regulator-vccq-sdhi2 {
compatible = "regulator-gpio";
regulator-name = "SDHI2 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio2 24 GPIO_ACTIVE_LOW>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
}; };
&avb { &avb {
@ -46,10 +78,28 @@
}; };
&pfc { &pfc {
mmc_pins_uhs: mmc_uhs {
groups = "mmc_data8", "mmc_ctrl";
function = "mmc";
power-source = <1800>;
};
scif1_pins: scif1 { scif1_pins: scif1 {
groups = "scif1_data_b"; groups = "scif1_data_b";
function = "scif1"; function = "scif1";
}; };
sdhi2_pins: sd2 {
groups = "sdhi2_data4", "sdhi2_ctrl";
function = "sdhi2";
power-source = <3300>;
};
sdhi2_pins_uhs: sd2_uhs {
groups = "sdhi2_data4", "sdhi2_ctrl";
function = "sdhi2";
power-source = <1800>;
};
}; };
&scif1 { &scif1 {
@ -58,3 +108,29 @@
status = "okay"; status = "okay";
}; };
&sdhi1 {
pinctrl-0 = <&mmc_pins_uhs>;
pinctrl-names = "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&reg_1p8v>;
bus-width = <8>;
mmc-hs200-1_8v;
non-removable;
fixed-emmc-driver-type = <1>;
status = "okay";
};
&sdhi2 {
pinctrl-0 = <&sdhi2_pins>;
pinctrl-1 = <&sdhi2_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vccq_sdhi2>;
bus-width = <4>;
cd-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
sd-uhs-sdr50;
status = "okay";
};