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pwm: imx: Enable PWM support on i.MX53

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Add missing parts for i.MX53 PWM support

Acked-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Martyn Welch 2017-11-08 15:35:11 +00:00 committed by Stefano Babic
parent ecdfb4195b
commit 065a1ece7a
2 changed files with 19 additions and 0 deletions
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17
arch/arm/include/asm/arch-mx5/imx-regs.h
View File

@ -508,6 +508,23 @@ struct fuse_bank4_regs {
};
#endif
#define PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4)
#define PWMCR_DOZEEN (1 << 24)
#define PWMCR_WAITEN (1 << 23)
#define PWMCR_DBGEN (1 << 22)
#define PWMCR_CLKSRC_IPG_HIGH (2 << 16)
#define PWMCR_CLKSRC_IPG (1 << 16)
#define PWMCR_EN (1 << 0)
struct pwm_regs {
u32 cr;
u32 sr;
u32 ir;
u32 sar;
u32 pr;
u32 cnr;
};
#endif /* __ASSEMBLER__*/
#endif /* __ASM_ARCH_MX5_IMX_REGS_H__ */

2
drivers/pwm/pwm-imx-util.c
View File

@ -23,10 +23,12 @@ struct pwm_regs *pwm_id_to_reg(int pwm_id)
return (struct pwm_regs *)PWM1_BASE_ADDR;
case 1:
return (struct pwm_regs *)PWM2_BASE_ADDR;
#ifdef CONFIG_MX6
case 2:
return (struct pwm_regs *)PWM3_BASE_ADDR;
case 3:
return (struct pwm_regs *)PWM4_BASE_ADDR;
#endif
#ifdef CONFIG_MX6SX
case 4:
return (struct pwm_regs *)PWM5_BASE_ADDR;