Add pinmux details and device tree node for the EEPROM attached to SPI0 module in main domain. Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx> Reviewed-by: Vignesh Raghavendra <vigneshr@xxxxxx> --- Link to test log, https://pastebin.ubuntu.com/p/jDgvyhF9BQ/ Changes since v1: - Removed the dependency on USB support patches - Picked up reviewed-by - Added test logs for SPI EEPROM arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 1f1787750fef..f5a8c5c4c8c3 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -127,6 +127,15 @@ >; }; + 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 */ @@ -227,6 +236,19 @@ 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>; -- 2.17.1
