openwrt-mirror/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-12-21 17:04:28 +04:00
Code Issues Packages Projects Releases Wiki Activity

ipq40xx: dts: convert WIA3300-20 SPI chipselect to hardware mode

Browse Source 
On ipq40xx platform, some specific GPIO can be configured as hardware
controlled SPI CS pin. This commit is an example of how to convert the
chipselect pin to the hardware CS mode.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/20478
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Shiji Yang
2025-10-21 12:06:04 +08:00
committed by Hauke Mehrtens
parent c16d83184b
commit 7bbbe77504
1 changed files with 1 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
target/linux/ipq40xx/files-6.12/arch/arm/boot/dts/qcom/qcom-ipq4019-wia3300-20.dts
View File

@@ -126,8 +126,6 @@
pinctrl-0 = <&spi0_pins>;
pinctrl-names = "default";
cs-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
flash@0 {
compatible = "jedec,spi-nor";
spi-max-frequency = <24000000>;
@@ -398,19 +396,11 @@
spi0_pins: spi0_pinmux {
blsp_spi0 {
pins = "gpio13", "gpio14", "gpio15";
pins = "gpio12", "gpio13", "gpio14", "gpio15";
function = "blsp_spi0";
drive-strength = <4>;
bias-disable;
};
gpio {
pins = "gpio12";
function = "gpio";
drive-strength = <4>;
bias-disable;
output-high;
};
};
};