From: Yang Chen <yang.chen@xxxxxxxxxxxx>
Add spi-gpio for TPM device.
Signed-off-by: Yang Chen <yang.chen@xxxxxxxxxxxx>
---
.../aspeed/aspeed-bmc-facebook-minerva.dts | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts
index e20e31917d6c..7d96a3638448 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts
@@ -22,6 +22,8 @@ aliases {
i2c19 = &imux19;
i2c20 = &imux20;
i2c21 = &imux21;
+
+ spi1 = &spi_gpio;
};
chosen {
@@ -49,6 +51,25 @@ led-fan-fault {
default-state = "off";
};
};
+
+ 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>;
+ };
+ };
};
&uart6 {
--
2.34.1
