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ARM: dts: r8a7742-iwg21d-q7: Enable SDHI2 controller

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Enable the SDHI2 controller on iWave RZ/G1H carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1590420129-7531-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar
2020-05-25 16:22:07 +01:00
committed by Geert Uytterhoeven
parent 73e44613f6
commit b3850cd90e
1 changed files with 47 additions and 0 deletions
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47
arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
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@@ -21,6 +21,28 @@ chosen {
bootargs = "ignore_loglevel root=/dev/mmcblk0p1 rw rootwait";
stdout-path = "serial2:115200n8";
};
vcc_sdhi2: regulator-vcc-sdhi2 {
compatible = "regulator-fixed";
regulator-name = "SDHI2 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 27 GPIO_ACTIVE_LOW>;
};
vccq_sdhi2: regulator-vccq-sdhi2 {
compatible = "regulator-gpio";
regulator-name = "SDHI2 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1>, <1800000 0>;
};
};
&pfc {
@@ -33,6 +55,18 @@ scifb2_pins: scifb2 {
groups = "scifb2_data", "scifb2_ctrl";
function = "scifb2";
};
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>;
};
};
&scifa2 {
@@ -49,3 +83,16 @@ &scifb2 {
uart-has-rtscts;
status = "okay";
};
&sdhi2 {
pinctrl-0 = <&sdhi2_pins>;
pinctrl-1 = <&sdhi2_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&vcc_sdhi2>;
vqmmc-supply = <&vccq_sdhi2>;
cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
sd-uhs-sdr50;
status = "okay";
};