diff options
| author | Aswath Govindraju <a-govindraju@ti.com> | 2021-03-09 21:53:15 +0530 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2021-03-11 08:12:45 -0600 |
| commit | 4fb6c04683aa5b45f3876f45465e13265e09eb56 (patch) | |
| tree | fdb7b5ceb90441c42a724b68bb4a4dc490ed8f4b | |
| parent | efbdf2e9183bd5e75c64d251c6b673ca61ea01b3 (diff) | |
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: 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
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 962ef807e286..25fa6fbc0619 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -154,6 +154,15 @@ >; }; + 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 */ @@ -295,6 +304,19 @@ 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>; |