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 <[email protected]>
---
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);
--
2.7.4
On Thu, Mar 05, 2020 at 04:57:33PM +0530, 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 <[email protected]>
Looks good to me,
Acked-by: Uwe Kleine-K?nig <[email protected]>
Thanks
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | https://www.pengutronix.de/ |
On Thursday 05 March 2020 04:57 PM, 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 <[email protected]>
> ---
> 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.
>
Acked-by: Laxman Dewangan <[email protected]>
On Thu, 5 Mar 2020 16:57:33 +0530, 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 <[email protected]>
> ---
> Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 1 +
> drivers/pwm/pwm-tegra.c | 6 ++++++
> 2 files changed, 7 insertions(+)
>
Acked-by: Rob Herring <[email protected]>
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 <[email protected]>
> ---
> 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 <[email protected]>
Cheers
Jon
--
nvpublic