diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2020-05-25 16:22:07 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-06-15 10:28:46 +0200 |
| commit | b3850cd90edc0baad2ec47293f4ec3c929de6f76 (patch) | |
| tree | 417a6e6c387d78caf6ce825b6fd0e0e147ad0cb7 | |
| parent | 73e44613f65d55ffd3e767f77580094618f36b27 (diff) | |
ARM: dts: r8a7742-iwg21d-q7: Enable SDHI2 controller
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>
| -rw-r--r-- | arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts index e154e3ad657c..bb1deb09e41f 100644 --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts @@ -21,6 +21,28 @@ 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 @@ 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 @@ 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"; +}; |