enable spi-gpio setting for spi flash
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
---
.../aspeed/aspeed-bmc-facebook-yosemite4.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index c540523d5588..20aded2d1be6 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -53,6 +53,24 @@ iio-hwmon {
<&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
<&adc1 0>, <&adc1 1>, <&adc1 7>;
};
+
+ spi_gpio: spi-gpio {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
+ gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
+ gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
+ num-chipselects = <1>;
+ cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
+
+ tpmdev@0 {
+ compatible = "tcg,tpm_tis-spi";
+ spi-max-frequency = <33000000>;
+ reg = <0>;
+ };
+ };
};
&uart1 {
--
2.25.1
