diff options
| author | Sascha Hauer <sascha@de.rmk.(none)> | 2005-05-10 22:01:35 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-05-10 22:01:35 +0400 |
| commit | d7def6c22dfa9f32b3d9e5546a7a6a90c644ff5f (patch) | |
| tree | bae4cdc4e45905416e0868053d62b3dd4869c047 | |
| parent | fa4354359f800ef9d68ed644438efd45b559b443 (diff) | |
| download | linux-d7def6c22dfa9f32b3d9e5546a7a6a90c644ff5f.tar.xz | |
[PATCH] ARM: 2666/1: i.MX pwm controller defines
Patch from Sascha Hauer
This patch adds the defines for the i.MX PWM controller
Signed-off-by: Steven Scholz
Signed-off-by: Sascha Hauer
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | include/asm-arm/arch-imx/imx-regs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h index f32c203952cf..93b840e8fa60 100644 --- a/include/asm-arm/arch-imx/imx-regs.h +++ b/include/asm-arm/arch-imx/imx-regs.h @@ -228,6 +228,30 @@ #define PD31_BIN_SPI2_TXD ( GPIO_PORTD | GPIO_BIN | 31 ) /* + * PWM controller + */ +#define PWMC __REG(IMX_PWM_BASE + 0x00) /* PWM Control Register */ +#define PWMS __REG(IMX_PWM_BASE + 0x04) /* PWM Sample Register */ +#define PWMP __REG(IMX_PWM_BASE + 0x08) /* PWM Period Register */ +#define PWMCNT __REG(IMX_PWM_BASE + 0x0C) /* PWM Counter Register */ + +#define PWMC_HCTR (0x01<<18) /* Halfword FIFO Data Swapping */ +#define PWMC_BCTR (0x01<<17) /* Byte FIFO Data Swapping */ +#define PWMC_SWR (0x01<<16) /* Software Reset */ +#define PWMC_CLKSRC (0x01<<15) /* Clock Source */ +#define PWMC_PRESCALER(x) (((x-1) & 0x7F) << 8) /* PRESCALER */ +#define PWMC_IRQ (0x01<< 7) /* Interrupt Request */ +#define PWMC_IRQEN (0x01<< 6) /* Interrupt Request Enable */ +#define PWMC_FIFOAV (0x01<< 5) /* FIFO Available */ +#define PWMC_EN (0x01<< 4) /* Enables/Disables the PWM */ +#define PWMC_REPEAT(x) (((x) & 0x03) << 2) /* Sample Repeats */ +#define PWMC_CLKSEL(x) (((x) & 0x03) << 0) /* Clock Selection */ + +#define PWMS_SAMPLE(x) ((x) & 0xFFFF) /* Contains a two-sample word */ +#define PWMP_PERIOD(x) ((x) & 0xFFFF) /* Represents the PWM's period */ +#define PWMC_COUNTER(x) ((x) & 0xFFFF) /* Represents the current count value */ + +/* * DMA Controller */ #define DCR __REG(IMX_DMAC_BASE +0x00) /* DMA Control Register */ |