On 23/10/2020 11:41, Jerome Brunet wrote:
> On the odroid N2 plus, cpufreq is not available due to an error on the cpu
> regulators. vddcpu a and b get the same PWM. The one provided to vddcpu A
> is incorrect. Because vddcpu B PWM is busy the regulator cannot register:
>
>> pwm-regulator regulator-vddcpu-b: Failed to get PWM: -16
>
> Like on the odroid n2, use PWM A out of GPIOE_2 for vddcpu A to fix the
> problem
>
> Fixes: 98d24896ee11 ("arm64: dts: meson: add support for the ODROID-N2+")
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
> index 5de2815ba99d..ce1198ad34e4 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2-plus.dts
> @@ -19,7 +19,7 @@ &vddcpu_a {
> regulator-min-microvolt = <680000>;
> regulator-max-microvolt = <1040000>;
>
> - pwms = <&pwm_AO_cd 1 1500 0>;
> + pwms = <&pwm_ab 0 1500 0>;
> };
>
> &vddcpu_b {
>
Nice catch, thanks
Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
