diff options
| author | Fabrizio Castro <fabrizio.castro@bp.renesas.com> | 2018-10-08 10:51:52 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2018-11-28 13:55:23 +0100 |
| commit | 9eb36b945b5c21d57c02a26cc629dd9484ced9aa (patch) | |
| tree | 13f9b28cc967579f3fed4fee8908ca3ae7c97ccd /arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts | |
| parent | ARM: dts: r8a77470: Add SDHI1 support (diff) | |
| download | linux-9eb36b945b5c21d57c02a26cc629dd9484ced9aa.tar.xz linux-9eb36b945b5c21d57c02a26cc629dd9484ced9aa.zip | |
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>
Diffstat (limited to 'arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts index 22da819f186b..e5cfb50ddce3 100644 --- a/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts +++ b/arch/arm/boot/dts/r8a77470-iwg23s-sbc.dts @@ -6,6 +6,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "r8a77470.dtsi" / { model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C"; @@ -25,6 +26,37 @@ device_type = "memory"; 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 { @@ -46,10 +78,28 @@ }; &pfc { + mmc_pins_uhs: mmc_uhs { + groups = "mmc_data8", "mmc_ctrl"; + function = "mmc"; + power-source = <1800>; + }; + scif1_pins: scif1 { groups = "scif1_data_b"; 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 { @@ -58,3 +108,29 @@ status = "okay"; }; + +&sdhi1 { + pinctrl-0 = <&mmc_pins_uhs>; + pinctrl-names = "state_uhs"; + + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_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 = <®_3p3v>; + vqmmc-supply = <&vccq_sdhi2>; + bus-width = <4>; + cd-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>; + sd-uhs-sdr50; + status = "okay"; +}; |