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[2/3] arm64: dts: rockchip: fix I2S conflict on rk3399-rock-pi-4

Message ID 20201201154132.1286-3-vicencb@gmail.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: rockchip: miscellaneous fixes for rk3399-rock-pi-4c | expand

Commit Message

Vicente Bergas Dec. 1, 2020, 3:41 p.m. UTC 
Based on the board schematics at
https://dl.radxa.com/rockpi4/docs/hw/rockpi4/rockpi_4c_v12_sch_20200620.pdf
on page 14:
Only two channels of I2S are connected and the extra
I2S pins are in conflict with other functions like USB power.

Signed-off-by: Vicente Bergas <vicencb@gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
index 06df2397b..63b029a54 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
@@ -432,8 +432,9 @@  &i2c4 {
 };
 
 &i2s0 {
-	rockchip,playback-channels = <8>;
-	rockchip,capture-channels = <8>;
+	pinctrl-0 = <&i2s0_2ch_bus>;
+	rockchip,capture-channels = <2>;
+	rockchip,playback-channels = <2>;
 	status = "okay";
 };