diff options
Diffstat (limited to 'drivers/gpio/gpio-mvebu.c')
| -rw-r--r-- | drivers/gpio/gpio-mvebu.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7a4ce0fb0ded..e338c3743562 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -774,7 +774,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, u32 set; if (!of_device_is_compatible(mvchip->chip.of_node, - "marvell,armada-370-xp-gpio")) + "marvell,armada-370-gpio")) return 0; if (IS_ERR(mvchip->clk)) @@ -801,7 +801,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, else return -EINVAL; regmap_write(mvchip->regs, - GPIO_BLINK_CNT_SELECT_OFF + mvchip->offset, 0); + GPIO_BLINK_CNT_SELECT_OFF + mvchip->offset, set); mvpwm = devm_kzalloc(dev, sizeof(struct mvebu_pwm), GFP_KERNEL); if (!mvpwm) @@ -822,6 +822,13 @@ static int mvebu_pwm_probe(struct platform_device *pdev, mvpwm->chip.dev = dev; mvpwm->chip.ops = &mvebu_pwm_ops; mvpwm->chip.npwm = mvchip->chip.ngpio; + /* + * There may already be some PWM allocated, so we can't force + * mvpwm->chip.base to a fixed point like mvchip->chip.base. + * So, we let pwmchip_add() do the numbering and take the next free + * region. + */ + mvpwm->chip.base = -1; spin_lock_init(&mvpwm->lock); @@ -899,7 +906,7 @@ static const struct of_device_id mvebu_gpio_of_match[] = { .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, }, { - .compatible = "marvell,armada-370-xp-gpio", + .compatible = "marvell,armada-370-gpio", .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, }, { @@ -1245,7 +1252,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip); } - /* Armada 370/XP has simple PWM support for GPIO lines */ + /* Some MVEBU SoCs have simple PWM support for GPIO lines */ if (IS_ENABLED(CONFIG_PWM)) return mvebu_pwm_probe(pdev, mvchip, id); |