Commit 4fb6c046 authored by Aswath Govindraju's avatar Aswath Govindraju Committed by Nishanth Menon
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arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM 



Add pinmux details and device tree node for the EEPROM attached to SPI0
module in main domain.

Signed-off-by: default avatarAswath Govindraju <a-govindraju@ti.com>
Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Reviewed-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20210309162315.22743-1-a-govindraju@ti.com
parent efbdf2e9

arch/arm64/boot/dts/ti/k3-am642-evm.dts

+22 −0
Original line number Diff line number Diff line
@@ -154,6 +154,15 @@ AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */ 
		>;

	};



	main_spi0_pins_default: main-spi0-pins-default {

		pinctrl-single,pins = <

			AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */

			AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */

			AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */

			AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */

		>;

	};



	main_i2c1_pins_default: main-i2c1-pins-default {

		pinctrl-single,pins = <

			AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@@ -295,6 +304,19 @@ &mcu_spi1 { 
	status = "disabled";

};



&main_spi0 {

	pinctrl-names = "default";

	pinctrl-0 = <&main_spi0_pins_default>;

	ti,pindir-d0-out-d1-in = <1>;

	eeprom@0 {

		compatible = "microchip,93lc46b";

		reg = <0>;

		spi-max-frequency = <1000000>;

		spi-cs-high;

		data-size = <16>;

	};

};



&sdhci0 {

	/* emmc */

	bus-width = <8>;