diff options
author | Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> | 2023-10-16 13:53:44 +0300 |
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committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-11-20 11:19:06 +0300 |
commit | 993a207c114e137159c8d255576badfcd9defba8 (patch) | |
tree | d8d6121bf6bd74f917f8f0e4015dfffd6ac74bd8 /arch/arm64/boot/dts/renesas | |
parent | 00cbba479142a3c962a44b127db4ab6cdc2b2b70 (diff) | |
download | linux-993a207c114e137159c8d255576badfcd9defba8.tar.xz |
arm64: dts: renesas: rzg3s-smarc: Enable SDHI1
Add SDHI1 to RZ/G3S Smarc Carrier-II board. This is connected to a uSD
interface. Although Vccq doesn't cross the boundary of SoM it has
been added to RZ/G3S Smarc Carrier-II dtsi to have all the bits related to
SDHI1 in a single place. At the moment SoM is used only with RZ/G3S Smarc
Carrier-II board.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231016105344.294096-3-claudiu.beznea.uj@bp.renesas.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/rzg3s-smarc.dtsi | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi index e7073a09ed2e..214520137230 100644 --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi @@ -11,6 +11,26 @@ / { aliases { serial0 = &scif0; + mmc1 = &sdhi1; + }; + + vcc_sdhi1: regulator-vcc-sdhi1 { + compatible = "regulator-fixed"; + regulator-name = "SDHI1 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&pinctrl RZG2L_GPIO(2, 3) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhi1: regulator-vccq-sdhi1 { + compatible = "regulator-gpio"; + regulator-name = "SDHI1 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&pinctrl RZG2L_GPIO(4, 2) GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1>, <1800000 0>; }; }; @@ -19,6 +39,38 @@ pinmux = <RZG2L_PORT_PINMUX(6, 3, 1)>, /* RXD */ <RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */ }; + + sdhi1_pins: sd1 { + data { + pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3"; + power-source = <3300>; + }; + + ctrl { + pins = "SD1_CLK", "SD1_CMD"; + power-source = <3300>; + }; + + cd { + pinmux = <RZG2L_PORT_PINMUX(0, 2, 1)>; /* SD1_CD */ + }; + }; + + sdhi1_pins_uhs: sd1-uhs { + data { + pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3"; + power-source = <1800>; + }; + + ctrl { + pins = "SD1_CLK", "SD1_CMD"; + power-source = <1800>; + }; + + cd { + pinmux = <RZG2L_PORT_PINMUX(0, 2, 1)>; /* SD1_CD */ + }; + }; }; &scif0 { @@ -26,3 +78,16 @@ pinctrl-0 = <&scif0_pins>; status = "okay"; }; + +&sdhi1 { + pinctrl-0 = <&sdhi1_pins>; + pinctrl-1 = <&sdhi1_pins_uhs>; + pinctrl-names = "default", "state_uhs"; + vmmc-supply = <&vcc_sdhi1>; + vqmmc-supply = <&vccq_sdhi1>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-sdr104; + max-frequency = <125000000>; + status = "okay"; +}; |