Switch spi2 to spi-gpio driver to avoid unstable signal issue with EVT HW
Remove spi2 node and create a new spi2_gpio node
Signed-off-by: Potin Lai <potin.lai@xxxxxxxxxxxx>
---
.../dts/aspeed-bmc-facebook-bletchley.dts | 35 +++++++++++--------
1 file changed, 21 insertions(+), 14 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
index b01f1e7adb81..08fa4c7b5ed4 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
@@ -32,7 +32,7 @@
<&adc1 4>, <&adc1 5>, <&adc1 6>, <&adc1 7>;
};
- spi_gpio: spi-gpio {
+ spi1_gpio: spi1-gpio {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
@@ -50,6 +50,26 @@
};
};
+ spi2_gpio: spi2-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>;
+
+ flash@0 {
+ reg = <0>;
+ compatible = "jedec,spi-nor";
+ m25p,fast-read;
+ label = "pnor";
+ spi-max-frequency = <100000000>;
+ };
+ };
+
switchphy: ethernet-phy@0 {
// Fixed link
};
@@ -225,19 +245,6 @@
};
};
-&spi2 {
- status = "okay";
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_spi2_default>;
-
- flash@0 {
- status = "okay";
- m25p,fast-read;
- label = "pnor";
- spi-max-frequency = <100000000>;
- };
-};
-
&i2c0 {
status = "okay";
/* TODO: Add ADC INA230 */
--
2.17.1
