diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2020-02-25 15:45:40 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2021-02-15 15:48:46 +0000 |
| commit | 9428dd02cf57d9ccfcb090411b01504182891b20 (patch) | |
| tree | 216b78a2afe981c40e5e3d5d2266d9ea472c1052 | |
| parent | b60b73da1b407aa51c086aea43ea183129564fa9 (diff) | |
gpio: mvebu: convert pwm to regmap (remaining bits)
Convert mvebu's pwm support to use regmap to access the registers to
prepare the driver to support the "blink" support on CP110.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | drivers/gpio/gpio-mvebu.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index a912a8fed197..c387b4f5cf7e 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -93,6 +93,7 @@ struct mvebu_pwm { struct regmap *regs; + u32 offset; unsigned long clk_rate; struct gpio_desc *gpiod; struct pwm_chip chip; @@ -278,17 +279,17 @@ mvebu_gpio_write_level_mask(struct mvebu_gpio_chip *mvchip, u32 val) } /* - * Functions returning offsets of individual registers for a given + * Functions returning regmap offsets of individual registers for a given * PWM controller. */ -static unsigned int mvebu_pwmreg_blink_on_duration(struct mvebu_pwm *mvpwm) +static u32 mvebu_pwmreg_blink_on_duration(struct mvebu_pwm *mvpwm) { - return PWM_BLINK_ON_DURATION_OFF; + return PWM_BLINK_ON_DURATION_OFF + mvpwm->offset; } -static unsigned int mvebu_pwmreg_blink_off_duration(struct mvebu_pwm *mvpwm) +static u32 mvebu_pwmreg_blink_off_duration(struct mvebu_pwm *mvpwm) { - return PWM_BLINK_OFF_DURATION_OFF; + return PWM_BLINK_OFF_DURATION_OFF + mvpwm->offset; } /* @@ -806,12 +807,14 @@ static int mvebu_pwm_probe(struct platform_device *pdev, set = U32_MAX; else return -EINVAL; + regmap_write(mvchip->regs, GPIO_BLINK_CNT_SELECT_OFF + mvchip->offset, set); mvpwm = devm_kzalloc(dev, sizeof(struct mvebu_pwm), GFP_KERNEL); if (!mvpwm) return -ENOMEM; + mvchip->mvpwm = mvpwm; mvpwm->mvchip = mvchip; |