Commit 45145406 authored by Lars Povlsen's avatar Lars Povlsen
Browse files

arm64: dts: sparx5: Add Sparx5 eMMC support 



This adds eMMC support to the applicable Sparx5 board configuration
files.

Signed-off-by: default avatarLars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200825081357.32354-4-lars.povlsen@microchip.com
parent 9123e3a7

arch/arm64/boot/dts/microchip/sparx5.dtsi

+24 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 


#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/interrupt-controller/arm-gic.h>

#include <dt-bindings/clock/microchip,sparx5.h>



/ {

	compatible = "microchip,sparx5";
@@ -151,6 +152,20 @@ timer1: timer@600105000 { 
			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;

		};



		sdhci0: mmc@600800000 {

			compatible = "microchip,dw-sparx5-sdhci";

			status = "disabled";

			reg = <0x6 0x00800000 0x1000>;

			pinctrl-0 = <&emmc_pins>;

			pinctrl-names = "default";

			clocks = <&clks CLK_ID_AUX1>;

			clock-names = "core";

			assigned-clocks = <&clks CLK_ID_AUX1>;

			assigned-clock-rates = <800000000>;

			interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;

			bus-width = <8>;

		};



		gpio: pinctrl@6110101e0 {

			compatible = "microchip,sparx5-pinctrl";

			reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>;
@@ -180,6 +195,15 @@ i2c2_pins: i2c2-pins { 
				pins = "GPIO_28", "GPIO_29";

				function = "twi2";

			};



			emmc_pins: emmc-pins {

				pins = "GPIO_34", "GPIO_35", "GPIO_36",

					"GPIO_37", "GPIO_38", "GPIO_39",

					"GPIO_40", "GPIO_41", "GPIO_42",

					"GPIO_43", "GPIO_44", "GPIO_45",

					"GPIO_46", "GPIO_47";

				function = "emmc";

			};

		};



		i2c0: i2c@600101000 {

arch/arm64/boot/dts/microchip/sparx5_pcb125.dts

+23 −0
Original line number Diff line number Diff line
@@ -16,6 +16,29 @@ memory@0 { 
	};

};



&gpio {

	emmc_pins: emmc-pins {

		/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"

		 * (N/A: CARD_nDETECT, CARD_WP, CARD_LED)

		 */

		pins = "GPIO_34", "GPIO_38", "GPIO_39",

			"GPIO_40", "GPIO_41", "GPIO_42",

			"GPIO_43", "GPIO_44", "GPIO_45",

			"GPIO_46", "GPIO_47";

		drive-strength = <3>;

		function = "emmc";

	};

};



&sdhci0 {

	status = "okay";

	bus-width = <8>;

	non-removable;

	pinctrl-0 = <&emmc_pins>;

	max-frequency = <8000000>;

	microchip,clock-delay = <10>;

};



&i2c1 {

	status = "okay";

};

arch/arm64/boot/dts/microchip/sparx5_pcb134_emmc.dts

+23 −0
Original line number Diff line number Diff line
@@ -15,3 +15,26 @@ memory@0 { 
		reg = <0x00000000 0x00000000 0x10000000>;

	};

};



&gpio {

	emmc_pins: emmc-pins {

		/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"

		 * (N/A: CARD_nDETECT, CARD_WP, CARD_LED)

		 */

		pins = "GPIO_34", "GPIO_38", "GPIO_39",

			"GPIO_40", "GPIO_41", "GPIO_42",

			"GPIO_43", "GPIO_44", "GPIO_45",

			"GPIO_46", "GPIO_47";

		drive-strength = <3>;

		function = "emmc";

	};

};



&sdhci0 {

	status = "okay";

	pinctrl-0 = <&emmc_pins>;

	non-removable;

	max-frequency = <52000000>;

	bus-width = <8>;

	microchip,clock-delay = <10>;

};

arch/arm64/boot/dts/microchip/sparx5_pcb135_emmc.dts

+23 −0
Original line number Diff line number Diff line
@@ -15,3 +15,26 @@ memory@0 { 
		reg = <0x00000000 0x00000000 0x10000000>;

	};

};



&gpio {

	emmc_pins: emmc-pins {

		/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"

		 * (N/A: CARD_nDETECT, CARD_WP, CARD_LED)

		 */

		pins = "GPIO_34", "GPIO_38", "GPIO_39",

			"GPIO_40", "GPIO_41", "GPIO_42",

			"GPIO_43", "GPIO_44", "GPIO_45",

			"GPIO_46", "GPIO_47";

		drive-strength = <3>;

		function = "emmc";

	};

};



&sdhci0 {

	status = "okay";

	pinctrl-0 = <&emmc_pins>;

	non-removable;

	max-frequency = <52000000>;

	bus-width = <8>;

	microchip,clock-delay = <10>;

};