diff options
| author | Simon Glass <sjg@chromium.org> | 2016-01-30 16:37:46 -0700 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2016-02-16 09:17:50 -0700 |
| commit | 7429b9623b9d636d6fc686db3af29cc79d901bc6 (patch) | |
| tree | c23044441fa103b396b04044dac40234e3ef5769 /arch/arm | |
| parent | 651827c0fc3d91e0a6f2170890a11bc77557ee2e (diff) | |
tegra: pwm: Add a driver for the tegra PWM
This PWM supports four channels. The driver always uses the 32KHz clock,
and adjusts the duty cycle accordingly.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/pwm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/pwm.h b/arch/arm/include/asm/arch-tegra/pwm.h index 92dced448a..eb2e465772 100644 --- a/arch/arm/include/asm/arch-tegra/pwm.h +++ b/arch/arm/include/asm/arch-tegra/pwm.h @@ -27,6 +27,7 @@ struct pwm_ctlr { #define PWM_DIVIDER_SHIFT 0 #define PWM_DIVIDER_MASK (0x1FFF << PWM_DIVIDER_SHIFT) +#ifndef CONFIG_PWM /** * Program the PWM with the given parameters. * @@ -56,5 +57,6 @@ int pwm_request(const void *blob, int node, const char *prop_name); * @return 0 if ok, -1 if the device tree node was not found or invalid. */ int pwm_init(const void *blob); +#endif #endif /* __ASM_ARCH_TEGRA_PWM_H */ |