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authorSimon Glass <sjg@chromium.org>2012-10-17 13:24:49 +0000
committerTom Warren <twarren@nvidia.com>2012-11-19 08:15:36 -0700
commite1ae0d1f7185948d576dd7b53654444a0079a92d (patch)
tree60e4566fec33781968829b9477322837c634c447 /board/nvidia/common
parenteefe3e598e38dc4e433d5b39c2f5528ffea461e3 (diff)
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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>
Diffstat (limited to 'board/nvidia/common')
-rw-r--r--board/nvidia/common/board.c5
1 files changed, 5 insertions, 0 deletions
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 @@ int board_init(void)
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);