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authorSandipan Patra <spatra@nvidia.com>2020-03-05 16:57:33 +0530
committerThierry Reding <thierry.reding@gmail.com>2020-03-30 18:03:04 +0200
commit2d0c08fcd67c23cf8433344544fb5a6c059c2572 (patch)
treefee0acb3802ae0e59f49bdc3052448bf9998335a /drivers/pwm/pwm-tegra.c
parentpwm: Enable compile testing for some of drivers (diff)
downloadlinux-dev-2d0c08fcd67c23cf8433344544fb5a6c059c2572.tar.xz
linux-dev-2d0c08fcd67c23cf8433344544fb5a6c059c2572.zip
pwm: tegra: Add support for Tegra194
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 <spatra@nvidia.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-tegra.c')
-rw-r--r--drivers/pwm/pwm-tegra.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index aa12fb3ed92e..d26ed8f579ff 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);