diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0371-rpi-cirrus-wm5102-overlay-fix-pinctrl-configuration.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0371-rpi-cirrus-wm5102-overlay-fix-pinctrl-configuration.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0371-rpi-cirrus-wm5102-overlay-fix-pinctrl-configuration.patch b/target/linux/bcm27xx/patches-5.4/950-0371-rpi-cirrus-wm5102-overlay-fix-pinctrl-configuration.patch new file mode 100644 index 0000000000..61f49d5ae4 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0371-rpi-cirrus-wm5102-overlay-fix-pinctrl-configuration.patch @@ -0,0 +1,123 @@ +From 01f45f7d4403e40f28f626296bec3ccae1b1f65b Mon Sep 17 00:00:00 2001 +From: Matthias Reichl <hias@horus.com> +Date: Sat, 30 Nov 2019 23:10:26 +0100 +Subject: [PATCH] rpi-cirrus-wm5102-overlay: fix pinctrl configuration + +Separate GPIOs connected to wm5102 and wm8804 into 2 pinctrl +blocks and properly reference them from the DT nodes to have +correct pinmux owners. + +Setup spi0 to use only one CS line on GPIO7 so that GPIO8 is +no longer claimed by spi0 but can be used by wm8804. + +Signed-off-by: Matthias Reichl <hias@horus.com> +--- + .../overlays/rpi-cirrus-wm5102-overlay.dts | 40 ++++++++++++++----- + 1 file changed, 30 insertions(+), 10 deletions(-) + +--- a/arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts ++++ b/arch/arm/boot/dts/overlays/rpi-cirrus-wm5102-overlay.dts +@@ -18,19 +18,31 @@ + fragment@1 { + target = <&gpio>; + __overlay__ { +- wlf_pins: wlf_pins { +- brcm,pins = <17 22 27 8>; ++ wlf_5102_pins: wlf_5102_pins { ++ brcm,pins = <17 22 27>; + brcm,function = < + BCM2835_FSEL_GPIO_OUT + BCM2835_FSEL_GPIO_OUT + BCM2835_FSEL_GPIO_IN +- BCM2835_FSEL_GPIO_OUT + >; + }; ++ wlf_8804_pins: wlf_8804_pins { ++ brcm,pins = <8>; ++ brcm,function = <BCM2835_FSEL_GPIO_OUT>; ++ }; + }; + }; + + fragment@2 { ++ target = <&spi0_cs_pins>; ++ __overlay__ { ++ brcm,pins = <7>; ++ brcm,function = <BCM2835_FSEL_GPIO_OUT>; ++ }; ++ }; ++ ++ ++ fragment@3 { + target-path = "/"; + __overlay__ { + rpi_cirrus_reg_1v8: rpi_cirrus_reg_1v8 { +@@ -43,30 +55,34 @@ + }; + }; + +- fragment@3 { ++ fragment@4 { + target = <&spidev0>; + __overlay__ { + status = "disabled"; + }; + }; + +- fragment@4 { ++ fragment@5 { + target = <&spidev1>; + __overlay__ { + status = "disabled"; + }; + }; + +- fragment@5 { ++ fragment@6 { + target = <&spi0>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; ++ cs-gpios = <&gpio 7 GPIO_ACTIVE_LOW>; + +- wm5102@1{ ++ wm5102@0{ + compatible = "wlf,wm5102"; +- reg = <1>; ++ reg = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&wlf_5102_pins>; + + spi-max-frequency = <500000>; + +@@ -123,7 +139,7 @@ + }; + }; + +- fragment@6 { ++ fragment@7 { + target = <&i2c1>; + __overlay__ { + status = "okay"; +@@ -134,6 +150,10 @@ + compatible = "wlf,wm8804"; + reg = <0x3b>; + status = "okay"; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&wlf_8804_pins>; ++ + PVDD-supply = <&vdd_3v3_reg>; + DVDD-supply = <&vdd_3v3_reg>; + wlf,reset-gpio = <&gpio 8 GPIO_ACTIVE_HIGH>; +@@ -141,7 +161,7 @@ + }; + }; + +- fragment@7 { ++ fragment@8 { + target = <&sound>; + __overlay__ { + compatible = "wlf,rpi-cirrus"; |