i2s0 fails to probe on my Radxa ROCK 4SE and ROCK Pi 4B boards with:
rockchip-pinctrl pinctrl: pin gpio3-29 already requested by leds; cannot claim for ff880000.i2s
rockchip-pinctrl pinctrl: pin-125 (ff880000.i2s) status -22
rockchip-pinctrl pinctrl: could not request pin 125 (gpio3-29) from group i2s0-8ch-bus-bclk-off on device rockchip-pinctrl
rockchip-i2s ff880000.i2s: Error applying setting, reverse things back
rockchip-i2s ff880000.i2s: bclk disable failed -22
This is due to the pinctl attempting to request a GPIO which the boards
use for a different function.
The first patch adds a missing pinctl node i2s0_2ch_bus_bclk_off to the
RK3399 devicetree.
The second patch sets the i2s0 pinctrl to use the new node when idle and
fixes the issue.
Christopher Obbard (2):
arm64: dts: rockchip: Add i2s0-2ch-bus-bclk-off pins to RK3399
arm64: dts: rockchip: Fix i2s0 pin conflict on ROCK Pi 4 boards
arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi | 1 +
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 10 ++++++++++
2 files changed, 11 insertions(+)
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2.42.0
