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Commit d7def6c2 authored by Sascha Hauer's avatar Sascha Hauer Committed by Russell King
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[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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent fa435435

include/asm-arm/arch-imx/imx-regs.h

+24 −0
Original line number Diff line number Diff line
@@ -227,6 +227,30 @@ 
#define PD31_PF_TMR2OUT      ( GPIO_PORTD | GPIO_PF | 31 )

#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

 */