From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: Re: [PATCH] pwm: tegra: Add support for Tegra194 Date: Mon, 23 Mar 2020 11:36:07 +0000 Message-ID: <1e40daf7-e5f8-7b79-cabe-8aceef6dda58@nvidia.com> References: <1583407653-30059-1-git-send-email-spatra@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1583407653-30059-1-git-send-email-spatra@nvidia.com> Content-Language: en-US Sender: linux-pwm-owner@vger.kernel.org To: Sandipan Patra , treding@nvidia.com, robh+dt@kernel.org, u.kleine-koenig@pengutronix.de Cc: bbasu@nvidia.com, ldewangan@nvidia.com, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org On 05/03/2020 11:27, Sandipan Patra wrote: > Tegra194 has multiple PWM controllers with each having only one output. > > Also the maxmimum frequency is higher than earlier SoCs. > > Add support for Tegra194 and specify the number of PWM outputs and > maximum supported frequency using device tree match data. > > Signed-off-by: Sandipan Patra > --- > Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 1 + > drivers/pwm/pwm-tegra.c | 6 ++++++ > 2 files changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt > index 0a69ead..74c41e3 100644 > --- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt > +++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt > @@ -9,6 +9,7 @@ Required properties: > - "nvidia,tegra132-pwm", "nvidia,tegra20-pwm": for Tegra132 > - "nvidia,tegra210-pwm", "nvidia,tegra20-pwm": for Tegra210 > - "nvidia,tegra186-pwm": for Tegra186 > + - "nvidia,tegra194-pwm": for Tegra194 > - reg: physical base address and length of the controller's registers > - #pwm-cells: should be 2. See pwm.yaml in this directory for a description of > the cells format. > diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c > index aa12fb3..d26ed8f 100644 > --- a/drivers/pwm/pwm-tegra.c > +++ b/drivers/pwm/pwm-tegra.c > @@ -282,9 +282,15 @@ static const struct tegra_pwm_soc tegra186_pwm_soc = { > .max_frequency = 102000000UL, > }; > > +static const struct tegra_pwm_soc tegra194_pwm_soc = { > + .num_channels = 1, > + .max_frequency = 408000000UL, > +}; > + > static const struct of_device_id tegra_pwm_of_match[] = { > { .compatible = "nvidia,tegra20-pwm", .data = &tegra20_pwm_soc }, > { .compatible = "nvidia,tegra186-pwm", .data = &tegra186_pwm_soc }, > + { .compatible = "nvidia,tegra194-pwm", .data = &tegra194_pwm_soc }, > { } > }; > MODULE_DEVICE_TABLE(of, tegra_pwm_of_match); > Acked-by: Jon Hunter Cheers Jon -- nvpublic