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author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2022-07-11 15:46:56 +0200 |
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committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-08-15 11:12:12 +0200 |
commit | 1ada3e53b78afc03d30f5fd7e9d54f297d09cf61 (patch) | |
tree | e1c368ca8c88863b6e27455cf2b48e4ae845b6b3 /arch/arm64/boot/dts/renesas | |
parent | 6a24768c6e301a48c0610f0fac6f4461750ebf16 (diff) | |
download | linux-1ada3e53b78afc03d30f5fd7e9d54f297d09cf61.tar.bz2 |
arm64: dts: renesas: spider-cpu: Enable eMMC0
This enables the on-board eMMC on the Spider board. Switch SW3 has to be
in the default (neutral) position. Other settings will not be supported
upstream!
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220711134656.277730-4-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas')
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi index 28fbf7bc1eb4..4a876d47f59b 100644 --- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi @@ -21,6 +21,24 @@ device_type = "memory"; reg = <0x4 0x80000000 0x0 0x80000000>; }; + + reg_1p8v: regulator-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: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; }; &extal_clk { @@ -46,6 +64,27 @@ }; }; +/* + * This board also has a microSD slot which we will not support upstream + * because we cannot directly switch voltages in software. + */ +&mmc0 { + pinctrl-0 = <&mmc_pins>; + pinctrl-1 = <&mmc_pins>; + pinctrl-names = "default", "state_uhs"; + + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + bus-width = <8>; + no-sd; + no-sdio; + non-removable; + full-pwr-cycle-in-suspend; + status = "okay"; +}; + &pfc { pinctrl-0 = <&scif_clk_pins>; pinctrl-names = "default"; @@ -55,6 +94,12 @@ function = "i2c4"; }; + mmc_pins: mmc { + groups = "mmc_data8", "mmc_ctrl", "mmc_ds"; + function = "mmc"; + power-source = <1800>; + }; + scif0_pins: scif0 { groups = "scif0_data", "scif0_ctrl"; function = "scif0"; |