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Commit a776e045 authored by Neil Armstrong's avatar Neil Armstrong Committed by Kevin Hilman
Browse files

ARM64: dts: meson-gxbb: Add MMC nodes to Nexbox A95x 



Add support for eMMC/SD/SDIO on the Nexbox A95x.

Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarKevin Hilman <khilman@baylibre.com>
parent ab3943fe

arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts

+122 −0
Original line number Diff line number Diff line
@@ -87,6 +87,61 @@ 
			gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;

		};

	};



	vddio_card: gpio-regulator {

		compatible = "regulator-gpio";



		regulator-name = "VDDIO_CARD";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;



		gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;

		gpios-states = <1>;



		/* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */

		states = <1800000 0

			  3300000 1>;

	};



	vddio_boot: regulator-vddio_boot {

		compatible = "regulator-fixed";

		regulator-name = "VDDIO_BOOT";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

	};



	vddao_3v3: regulator-vddao_3v3 {

		compatible = "regulator-fixed";

		regulator-name = "VDDAO_3V3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	vcc_3v3: regulator-vcc_3v3 {

		compatible = "regulator-fixed";

		regulator-name = "VCC_3V3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	emmc_pwrseq: emmc-pwrseq {

		compatible = "mmc-pwrseq-emmc";

		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;

	};



	wifi32k: wifi32k {

		compatible = "pwm-clock";

		#clock-cells = <0>;

		clock-frequency = <32768>;

		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */

	};



	sdio_pwrseq: sdio-pwrseq {

		compatible = "mmc-pwrseq-simple";

		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;

		clocks = <&wifi32k>;

		clock-names = "ext_clock";

	};

};



&uart_AO {
@@ -107,3 +162,70 @@ 
	pinctrl-0 = <&remote_input_ao_pins>;

	pinctrl-names = "default";

};



/* Wireless SDIO Module */

&sd_emmc_a {

	status = "okay";

	pinctrl-0 = <&sdio_pins>;

	pinctrl-names = "default";

	#address-cells = <1>;

	#size-cells = <0>;



	bus-width = <4>;

	cap-sd-highspeed;

	max-frequency = <100000000>;



	non-removable;

	disable-wp;



	mmc-pwrseq = <&sdio_pwrseq>;



	vmmc-supply = <&vddao_3v3>;

	vqmmc-supply = <&vddio_boot>;

};



/* SD card */

&sd_emmc_b {

	status = "okay";

	pinctrl-0 = <&sdcard_pins>;

	pinctrl-names = "default";



	bus-width = <4>;

	cap-sd-highspeed;

	max-frequency = <100000000>;

	disable-wp;



	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;

	cd-inverted;



	vmmc-supply = <&vddao_3v3>;

	vqmmc-supply = <&vddio_card>;

};



/* eMMC */

&sd_emmc_c {

	status = "okay";

	pinctrl-0 = <&emmc_pins>;

	pinctrl-names = "default";



	bus-width = <8>;

	cap-sd-highspeed;

	cap-mmc-highspeed;

	max-frequency = <200000000>;

	non-removable;

	disable-wp;

	mmc-ddr-1_8v;

	mmc-hs200-1_8v;



	mmc-pwrseq = <&emmc_pwrseq>;

	vmmc-supply = <&vcc_3v3>;

	vqmmc-supply = <&vddio_boot>;

};



&pwm_ef {

	status = "okay";

	pinctrl-0 = <&pwm_e_pins>;

	pinctrl-names = "default";

	clocks = <&clkc CLKID_FCLK_DIV4>;

	clock-names = "clkin0";

};