This patch enables microSD card slot connected to SDHI1 on RZ/G2L SMARC platform. Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> --- This patch has dependency upon [1] [1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20211006171605.6861-1-biju.das.jz@xxxxxxxxxxxxxx/ v2->v3 * No change v1->v2: * Used angular brackets for states * Removed extra space from power source * Fixed gpio-hog node name --- arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 62 ++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi index a02784fab46a..d8b3d32dc6f5 100644 --- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi @@ -70,6 +70,16 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + vccq_sdhi1: regulator-vccq-sdhi1 { + compatible = "regulator-gpio"; + regulator-name = "SDHI1 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1>, <1800000 0>; + }; }; &audio_clk1{ @@ -199,6 +209,45 @@ <RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */ }; + sd1-pwr-en-hog { + gpio-hog; + gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>; + output-high; + line-name = "sd1_pwr_en"; + }; + + sdhi1_pins: sd1 { + sd1_data { + pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3"; + power-source = <3300>; + }; + + sd1_ctrl { + pins = "SD1_CLK", "SD1_CMD"; + power-source = <3300>; + }; + + sd1_mux { + pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */ + }; + }; + + sdhi1_pins_uhs: sd1_uhs { + sd1_data_uhs { + pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3"; + power-source = <1800>; + }; + + sd1_ctrl_uhs { + pins = "SD1_CLK", "SD1_CMD"; + power-source = <1800>; + }; + + sd1_mux_uhs { + pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */ + }; + }; + sound_clk_pins: sound_clk { pins = "AUDIO_CLK1", "AUDIO_CLK2"; input-enable; @@ -229,6 +278,19 @@ status = "okay"; }; +&sdhi1 { + pinctrl-0 = <&sdhi1_pins>; + pinctrl-1 = <&sdhi1_pins_uhs>; + pinctrl-names = "default", "state_uhs"; + + vmmc-supply = <®_3p3v>; + vqmmc-supply = <&vccq_sdhi1>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-sdr104; + status = "okay"; +}; + &ssi0 { pinctrl-0 = <&ssi0_pins>; pinctrl-names = "default"; -- 2.17.1