On 31/08/2016 at 17:25:20 +0900, Milo Kim wrote :
> H3 PWM controller has same register layout as sun4i driver, so it works
> by adding H3 specific data.
>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
> Cc: Chen-Yu Tsai <wens@xxxxxxxx>
> Cc: linux-pwm@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Milo Kim <woogyom.kim@xxxxxxxxx>
Reviewed-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pwm/pwm-sun4i.txt | 1 +
> drivers/pwm/pwm-sun4i.c | 9 +++++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
> index cf6068b..f1cbeef 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
> +++ b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
> @@ -6,6 +6,7 @@ Required properties:
> - "allwinner,sun5i-a10s-pwm"
> - "allwinner,sun5i-a13-pwm"
> - "allwinner,sun7i-a20-pwm"
> + - "allwinner,sun8i-h3-pwm"
> - reg: physical base address and length of the controller's registers
> - #pwm-cells: should be 3. See pwm.txt in this directory for a description of
> the cells format.
> diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
> index 03a99a5..b0803f6 100644
> --- a/drivers/pwm/pwm-sun4i.c
> +++ b/drivers/pwm/pwm-sun4i.c
> @@ -284,6 +284,12 @@ static const struct sun4i_pwm_data sun4i_pwm_data_a20 = {
> .npwm = 2,
> };
>
> +static const struct sun4i_pwm_data sun4i_pwm_data_h3 = {
> + .has_prescaler_bypass = true,
> + .has_rdy = true,
> + .npwm = 1,
> +};
> +
> static const struct of_device_id sun4i_pwm_dt_ids[] = {
> {
> .compatible = "allwinner,sun4i-a10-pwm",
> @@ -298,6 +304,9 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = {
> .compatible = "allwinner,sun7i-a20-pwm",
> .data = &sun4i_pwm_data_a20,
> }, {
> + .compatible = "allwinner,sun8i-h3-pwm",
> + .data = &sun4i_pwm_data_h3,
> + }, {
> /* sentinel */
> },
> };
> --
> 2.9.3
>
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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