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pinctrl: actions: Add Actions Semi S700 pinctrl driver 

Add pinctrl and gpio driver for Actions Semi S700 SoC. The driver
supports pinctrl, pinmux, pinconf, gpio and interrupt functionalities
through a range of registers common to both gpio driver and pinctrl driver.

Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Saravanan Sekar 2018-11-15 13:47:47 +01:00 committed by Linus Walleij
parent ba54e3005d
commit 81c9d563cc
4 changed files with 1923 additions and 3 deletions
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6
drivers/pinctrl/actions/Kconfig
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@ -9,6 +9,12 @@ config PINCTRL_OWL
help
Say Y here to enable Actions Semi OWL pinctrl driver
config PINCTRL_S700
bool "Actions Semi S700 pinctrl driver"
depends on PINCTRL_OWL
help
Say Y here to enable Actions Semi S700 pinctrl driver
config PINCTRL_S900
bool "Actions Semi S900 pinctrl driver"
depends on PINCTRL_OWL

1
drivers/pinctrl/actions/Makefile
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@ -1,2 +1,3 @@
obj-$(CONFIG_PINCTRL_OWL) += pinctrl-owl.o
obj-$(CONFIG_PINCTRL_S700) += pinctrl-s700.o
obj-$(CONFIG_PINCTRL_S900) += pinctrl-s900.o

7
drivers/pinctrl/actions/pinctrl-owl.c
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@ -739,7 +739,7 @@ static void owl_gpio_irq_mask(struct irq_data *data)
val = readl_relaxed(gpio_base + port->intc_msk);
if (val == 0)
owl_gpio_update_reg(gpio_base + port->intc_ctl,
OWL_GPIO_CTLR_ENABLE, false);
OWL_GPIO_CTLR_ENABLE + port->shared_ctl_offset * 5, false);
raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}
@ -763,7 +763,8 @@ static void owl_gpio_irq_unmask(struct irq_data *data)
/* enable port interrupt */
value = readl_relaxed(gpio_base + port->intc_ctl);
value |= BIT(OWL_GPIO_CTLR_ENABLE) | BIT(OWL_GPIO_CTLR_SAMPLE_CLK_24M);
value |= ((BIT(OWL_GPIO_CTLR_ENABLE) | BIT(OWL_GPIO_CTLR_SAMPLE_CLK_24M))
<< port->shared_ctl_offset * 5);
writel_relaxed(value, gpio_base + port->intc_ctl);
/* enable GPIO interrupt */
@ -801,7 +802,7 @@ static void owl_gpio_irq_ack(struct irq_data *data)
raw_spin_lock_irqsave(&pctrl->lock, flags);
owl_gpio_update_reg(gpio_base + port->intc_ctl,
OWL_GPIO_CTLR_PENDING, true);
OWL_GPIO_CTLR_PENDING + port->shared_ctl_offset * 5, true);
raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}

1912
drivers/pinctrl/actions/pinctrl-s700.c Normal file
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