mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-07 12:44:32 -04:00
Code Issues Packages Projects Releases Wiki Activity

ARM: dts: aspeed: bletchley: Switch to spi-gpio for spi2

Browse Source 
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@quantatw.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Link: https://lore.kernel.org/r/20220215163151.32252-6-potin.lai@quantatw.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Potin Lai
2022-02-16 00:31:46 +08:00
committed by Joel Stanley
parent 384aa4cb14
commit 53713d5ab9
1 changed files with 21 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
View File

@@ -32,7 +32,7 @@ iio-hwmon {
<&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 @@ tpmdev@0 {
};
};
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 @@ flash@1 {
};
};
&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 */