Commit 74d0c3b2 authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Thierry Reding
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pwm: atmel: Add support for SAM9X60's PWM controller 



Add support for SAM9X60's PWM controller.

Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 14101caf

drivers/pwm/pwm-atmel.c

+19 −0
Original line number Diff line number Diff line
@@ -52,6 +52,8 @@ 


/* Only the LSB 16 bits are significant. */

#define PWM_MAXV1_PRD		0xFFFF

/* All 32 bits are significant. */

#define PWM_MAXV2_PRD		0xFFFFFFFF

#define PRD_MAXV1_PRES		10



struct atmel_pwm_registers {
@@ -311,6 +313,20 @@ static const struct atmel_pwm_data atmel_sama5_pwm_data = { 
	},

};



static const struct atmel_pwm_data mchp_sam9x60_pwm_data = {

	.regs = {

		.period		= PWMV1_CPRD,

		.period_upd	= PWMV1_CUPD,

		.duty		= PWMV1_CDTY,

		.duty_upd	= PWMV1_CUPD,

	},

	.cfg = {

		/* 32 bits to keep period and duty. */

		.max_period	= PWM_MAXV2_PRD,

		.max_pres	= PRD_MAXV1_PRES,

	},

};



static const struct platform_device_id atmel_pwm_devtypes[] = {

	{

		.name = "at91sam9rl-pwm",
@@ -334,6 +350,9 @@ static const struct of_device_id atmel_pwm_dt_ids[] = { 
	}, {

		.compatible = "atmel,sama5d2-pwm",

		.data = &atmel_sama5_pwm_data,

	}, {

		.compatible = "microchip,sam9x60-pwm",

		.data = &mchp_sam9x60_pwm_data,

	}, {

		/* sentinel */

	},