tegra: Add support for PWM
The pulse width/frequency modulation peripheral supports generating
a repeating pulse. It is useful for controlling LCD brightness.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index 2c7cd0d..f23c87d 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -30,6 +30,7 @@
#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/pmu.h>
+#include <asm/arch/pwm.h>
#include <asm/arch/tegra.h>
#include <asm/arch/usb.h>
#include <asm/arch-tegra/board.h>
@@ -119,6 +120,10 @@
pin_mux_spi();
spi_init();
#endif
+#ifdef CONFIG_PWM_TEGRA
+ if (pwm_init(gd->fdt_blob))
+ debug("%s: Failed to init pwm\n", __func__);
+#endif
/* boot param addr */
gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);