From: Ricky CX Wu <ricky.cx.wu.wiwynn@xxxxxxxxx>
Enable spi-gpio setting for spi flash in yosemite4.
Add tpm device under spi.
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@xxxxxxxxx>
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 98477792aa00..fdf9040d655b 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -34,6 +34,24 @@ iio-hwmon {
<&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
<&adc1 0>, <&adc1 1>;
};
+
+ spi {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sck-gpios = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
+ mosi-gpios = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
+ miso-gpios = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
+ num-chipselects = <1>;
+
+ tpm@0 {
+ reg = <0>;
+ compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+ spi-max-frequency = <33000000>;
+ };
+ };
};
&uart1 {
--
2.25.1
