2020-10-16 22:32:28

by Frank Wunderlich

Subject: [RFC 1/3] dts64: mt7622: enable all pwm for bananapi r64

From: Frank Wunderlich <[email protected]>

mt7622 only supports 6 pwm-channels so drop pwm7

third pwm (pwm2) is inverted and connected to fan-socket

Signed-off-by: Frank Wunderlich <[email protected]>
---
.../boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index 1cc4dcb0008c..ad5b1592182d 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -414,10 +414,15 @@ mux {
};
};

- pwm7_pins: pwm1-2-pins {
+ pwm_pins: pwm-pins {
mux {
function = "pwm";
- groups = "pwm_ch7_2";
+ groups = "pwm_ch1_0", /* mt7622_pwm_ch1_0_pins[] = { 51, }; */
+ "pwm_ch2_0", /* mt7622_pwm_ch2_0_pins[] = { 52, }; */
+ "pwm_ch3_2", /* mt7622_pwm_ch3_2_pins[] = { 97, }; */
+ "pwm_ch4_1", /* mt7622_pwm_ch4_1_pins[] = { 67, }; */
+ "pwm_ch5_0", /* mt7622_pwm_ch5_0_pins[] = { 68, }; */
+ "pwm_ch6_0"; /* mt7622_pwm_ch6_0_pins[] = { 69, }; */
};
};

@@ -537,7 +542,7 @@ mux {

&pwm {
pinctrl-names = "default";
- pinctrl-0 = <&pwm7_pins>;
+ pinctrl-0 = <&pwm_pins>;
status = "okay";
};

--
2.25.1

2020-11-27 16:10:35

by Matthias Brugger

Subject: Re: [RFC 1/3] dts64: mt7622: enable all pwm for bananapi r64

On 16/10/2020 22:40, Frank Wunderlich wrote:
> From: Frank Wunderlich <[email protected]>
>
> mt7622 only supports 6 pwm-channels so drop pwm7
>
> third pwm (pwm2) is inverted and connected to fan-socket
>
> Signed-off-by: Frank Wunderlich <[email protected]>

Patch 1 and 2 now pushed to v5.10-next/dts64

Thanks!

> ---
> .../boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> index 1cc4dcb0008c..ad5b1592182d 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> @@ -414,10 +414,15 @@ mux {
> };
> };
>
> - pwm7_pins: pwm1-2-pins {
> + pwm_pins: pwm-pins {
> mux {
> function = "pwm";
> - groups = "pwm_ch7_2";
> + groups = "pwm_ch1_0", /* mt7622_pwm_ch1_0_pins[] = { 51, }; */
> + "pwm_ch2_0", /* mt7622_pwm_ch2_0_pins[] = { 52, }; */
> + "pwm_ch3_2", /* mt7622_pwm_ch3_2_pins[] = { 97, }; */
> + "pwm_ch4_1", /* mt7622_pwm_ch4_1_pins[] = { 67, }; */
> + "pwm_ch5_0", /* mt7622_pwm_ch5_0_pins[] = { 68, }; */
> + "pwm_ch6_0"; /* mt7622_pwm_ch6_0_pins[] = { 69, }; */
> };
> };
>
> @@ -537,7 +542,7 @@ mux {
>
> &pwm {
> pinctrl-names = "default";
> - pinctrl-0 = <&pwm7_pins>;
> + pinctrl-0 = <&pwm_pins>;
> status = "okay";
> };
>
>