On Wed, 2019-08-14 at 18:43 +0800, Sam Shih wrote:
> From: sam shih <sam.shih@xxxxxxxxxxxx>
>
> This adds pwm support for MT7629.
>
> Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/mt7629.dtsi | 14 ++++++++++++++
> drivers/pwm/pwm-mediatek.c | 7 +++++++
> 2 files changed, 21 insertions(+)
Split dts and driver into different patches.
> diff --git a/arch/arm/boot/dts/mt7629.dtsi b/arch/arm/boot/dts/mt7629.dtsi
> index 9608bc2ccb3f..352df8d61788 100644
> --- a/arch/arm/boot/dts/mt7629.dtsi
> +++ b/arch/arm/boot/dts/mt7629.dtsi
> @@ -241,6 +241,18 @@
> status = "disabled";
> };
>
> + pwm: pwm@11006000 {
> + compatible = "mediatek,mt7629-pwm";
> + reg = <0 0x11006000 0 0x1000>;
> + interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&topckgen CLK_TOP_PWM_SEL>,
> + <&pericfg CLK_PERI_PWM_PD>,
> + <&pericfg CLK_PERI_PWM1_PD>;
> + clock-names = "top", "main", "pwm1";
> + num-pwms = <1>;
> + status = "disabled";
> + };
> +
> i2c: i2c@11007000 {
> compatible = "mediatek,mt7629-i2c",
> "mediatek,mt2712-i2c";
> diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
> index 922a7543a2b1..d2352ca7792e 100644
> --- a/drivers/pwm/pwm-mediatek.c
> +++ b/drivers/pwm/pwm-mediatek.c
> @@ -327,11 +327,18 @@ static const struct pwm_mediatek_of_data mt7628_pwm_data = {
> .has_clks = false,
> };
>
> +static const struct pwm_mediatek_of_data mt7629_pwm_data = {
> + .fallback_npwms = 1,
> + .pwm45_fixup = false,
> + .has_clks = true,
> +};
> +
> static const struct of_device_id pwm_mediatek_of_match[] = {
> { .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data },
> { .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data },
> { .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data },
> { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data },
> + { .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data },
> { },
> };
> MODULE_DEVICE_TABLE(of, pwm_mediatek_of_match);
It's odd. You fallback to use mt7622 compatible here:
[PATCH v2 7/10] dt-bindings: pwm: update bindings for MT7629 SoC.
Ryder
