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arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM

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

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20210309162315.22743-1-a-govindraju@ti.com
This commit is contained in:
Aswath Govindraju 2021-03-09 21:53:15 +05:30 committed by Nishanth Menon
parent efbdf2e918
commit 4fb6c04683
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/ti/k3-am642-evm.dts
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@ -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 { main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = < pinctrl-single,pins = <
AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@ -295,6 +304,19 @@ &mcu_spi1 {
status = "disabled"; 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 { &sdhci0 {
/* emmc */ /* emmc */
bus-width = <8>; bus-width = <8>;