From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Jernej Skrabec <jernej.skrabec@siol.net>
Cc: thierry.reding@gmail.com, mripard@kernel.org, wens@csie.org,
robh+dt@kernel.org, mark.rutland@arm.com,
linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
kernel@pengutronix.de
Subject: Re: [PATCH 4/6] pwm: sun4i: Add support for H6 PWM
Date: Mon, 29 Jul 2019 08:40:30 +0200 [thread overview]
Message-ID: <20190729064030.7uenld2kbof45zti@pengutronix.de> (raw)
In-Reply-To: <20190726184045.14669-5-jernej.skrabec@siol.net>
On Fri, Jul 26, 2019 at 08:40:43PM +0200, Jernej Skrabec wrote:
> Now that sun4i PWM driver supports deasserting reset line and enabling
> bus clock, support for H6 PWM can be added.
>
> Note that while H6 PWM has two channels, only first one is wired to
> output pin. Second channel is used as a clock source to companion AC200
> chip which is bundled into same package.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> ---
> drivers/pwm/pwm-sun4i.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
> index 7d3ac3f2dc3f..9e0eca79ff88 100644
> --- a/drivers/pwm/pwm-sun4i.c
> +++ b/drivers/pwm/pwm-sun4i.c
> @@ -331,6 +331,13 @@ static const struct sun4i_pwm_data sun4i_pwm_single_bypass = {
> .npwm = 1,
> };
>
> +static const struct sun4i_pwm_data sun50i_pwm_dual_bypass_clk_rst = {
> + .has_bus_clock = true,
> + .has_prescaler_bypass = true,
> + .has_reset = true,
> + .npwm = 2,
> +};
> +
> static const struct of_device_id sun4i_pwm_dt_ids[] = {
> {
> .compatible = "allwinner,sun4i-a10-pwm",
> @@ -347,6 +354,9 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = {
> }, {
> .compatible = "allwinner,sun8i-h3-pwm",
> .data = &sun4i_pwm_single_bypass,
> + }, {
> + .compatible = "allwinner,sun50i-h6-pwm",
> + .data = &sun50i_pwm_dual_bypass_clk_rst,
If you follow my suggestion for the two previous patches, you can just
use:
compatible = "allwinner,sun50i-h6-pwm", "allwinner,sun5i-a10s-pwm";
and drop this patch.
Best regards
Uwe
> }, {
> /* sentinel */
> },
> --
> 2.22.0
>
>
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2019-07-29 6:40 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-26 18:40 [PATCH 0/6] pwm: sun4i: Add support for Allwinner H6 Jernej Skrabec
2019-07-26 18:40 ` [PATCH 1/6] dt-bindings: pwm: allwinner: Add H6 PWM description Jernej Skrabec
2019-07-27 10:42 ` Maxime Ripard
2019-07-26 18:40 ` [PATCH 2/6] pwm: sun4i: Add a quirk for reset line Jernej Skrabec
2019-07-27 10:42 ` Maxime Ripard
2019-07-29 6:36 ` Uwe Kleine-König
2019-07-29 6:43 ` Chen-Yu Tsai
2019-07-29 7:12 ` Uwe Kleine-König
2019-07-29 10:18 ` Philipp Zabel
2019-07-29 16:37 ` Maxime Ripard
2019-07-29 18:20 ` Uwe Kleine-König
2019-07-26 18:40 ` [PATCH 3/6] pwm: sun4i: Add a quirk for bus clock Jernej Skrabec
2019-07-27 10:46 ` Maxime Ripard
2019-07-27 14:15 ` Jernej Škrabec
2019-07-27 14:27 ` Chen-Yu Tsai
2019-07-29 6:38 ` Uwe Kleine-König
2019-07-29 15:48 ` Jernej Škrabec
2019-07-29 16:14 ` Uwe Kleine-König
2019-07-29 16:45 ` Maxime Ripard
2019-07-29 19:04 ` Uwe Kleine-König
2019-07-26 18:40 ` [PATCH 4/6] pwm: sun4i: Add support for H6 PWM Jernej Skrabec
2019-07-29 6:40 ` Uwe Kleine-König [this message]
2019-07-29 15:55 ` Jernej Škrabec
2019-07-29 16:07 ` Uwe Kleine-König
2019-07-29 16:09 ` [linux-sunxi] " Chen-Yu Tsai
2019-07-29 16:24 ` Uwe Kleine-König
2019-07-29 16:40 ` Jernej Škrabec
2019-07-29 18:40 ` Uwe Kleine-König
2019-07-29 18:46 ` Jernej Škrabec
2019-07-29 18:51 ` Uwe Kleine-König
2019-07-29 22:04 ` Jernej Škrabec
2019-07-30 8:09 ` Uwe Kleine-König
2019-07-30 8:32 ` Chen-Yu Tsai
2019-07-30 17:06 ` Maxime Ripard
2019-07-31 6:52 ` Uwe Kleine-König
2019-08-12 9:56 ` Maxime Ripard
2019-08-12 10:47 ` Uwe Kleine-König
2019-08-12 10:51 ` Jernej Škrabec
2019-07-26 18:40 ` [PATCH 5/6] pwm: sun4i: Add support to output source clock directly Jernej Skrabec
2019-07-27 10:50 ` Maxime Ripard
2019-07-27 14:28 ` Jernej Škrabec
2019-07-27 14:54 ` [linux-sunxi] " Chen-Yu Tsai
2019-07-29 7:06 ` Uwe Kleine-König
2019-07-29 16:16 ` Jernej Škrabec
2019-07-29 16:29 ` Uwe Kleine-König
2019-07-26 18:40 ` [PATCH 6/6] arm64: dts: allwinner: h6: Add PWM node Jernej Skrabec
2019-07-27 10:51 ` Maxime Ripard
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