Commit 53713d5a authored by Potin Lai's avatar Potin Lai Committed by Joel Stanley
Browse files

ARM: dts: aspeed: bletchley: Switch to spi-gpio for spi2 



Switch spi2 to spi-gpio driver to avoid unstable signal issue with EVT
HW.

Remove spi2 node and create a new spi2_gpio node.

Signed-off-by: default avatarPotin Lai <potin.lai@quantatw.com>
Reviewed-by: default avatarJoel Stanley <joel@jms.id.au>
Reviewed-by: default avatarPatrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220215163151.32252-6-potin.lai@quantatw.com


Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
parent 384aa4cb

arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts

+21 −14
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ iio-hwmon { 
			<&adc1 4>, <&adc1 5>, <&adc1 6>, <&adc1 7>;

	};



	spi_gpio: spi-gpio {

	spi1_gpio: spi1-gpio {

		compatible = "spi-gpio";

		#address-cells = <1>;

		#size-cells = <0>;
@@ -50,6 +50,26 @@ tpmdev@0 { 
		};

	};



	spi2_gpio: spi2-gpio {

		compatible = "spi-gpio";

		#address-cells = <1>;

		#size-cells = <0>;



		gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;

		gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;

		gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;

		num-chipselects = <1>;

		cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;



		flash@0 {

			reg = <0>;

			compatible = "jedec,spi-nor";

			m25p,fast-read;

			label = "pnor";

			spi-max-frequency = <100000000>;

		};

	};



	switchphy: ethernet-phy@0 {

		// Fixed link

	};
@@ -225,19 +245,6 @@ flash@1 { 
	};

};



&spi2 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_spi2_default>;



	flash@0 {

		status = "okay";

		m25p,fast-read;

		label = "pnor";

		spi-max-frequency = <100000000>;

	};

};



&i2c0 {

	status = "okay";

	/* TODO: Add ADC INA230 */