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ARM: dts: aspeed: Harma: Add spi-gpio

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Add spi-gpio for tpm device.

Signed-off-by: Peter Yin <peteryin.openbmc@gmail.com>
Link: https://lore.kernel.org/r/20240412091600.2534693-6-peteryin.openbmc@gmail.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
This commit is contained in:
Peter Yin 2024-04-12 17:15:53 +08:00 committed by Andrew Jeffery
parent 5a29fd7ad4
commit 3042a7e557
1 changed files with 21 additions and 0 deletions
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21
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts
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@ -28,6 +28,8 @@
i2c29 = &imux29;
i2c30 = &imux30;
i2c31 = &imux31;
spi1 = &spi_gpio;
};
chosen {
@ -67,6 +69,25 @@
gpios = <&gpio0 124 GPIO_ACTIVE_HIGH>;
};
};
spi_gpio: spi-gpio {
status = "okay";
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
gpio-sck = <&gpio0 ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
gpio-mosi = <&gpio0 ASPEED_GPIO(Z, 4) GPIO_ACTIVE_HIGH>;
gpio-miso = <&gpio0 ASPEED_GPIO(Z, 5) GPIO_ACTIVE_HIGH>;
num-chipselects = <1>;
cs-gpios = <&gpio0 ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>;
tpmdev@0 {
compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
spi-max-frequency = <33000000>;
reg = <0>;
};
};
};
// HOST BIOS Debug