Commit 81c9d563 authored by Saravanan Sekar's avatar Saravanan Sekar Committed by Linus Walleij
Browse files

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: default avatarParthiban Nallathambi <pn@denx.de>
Signed-off-by: default avatarSaravanan Sekar <sravanhome@gmail.com>
Acked-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent ba54e300

drivers/pinctrl/actions/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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

drivers/pinctrl/actions/Makefile

+1 −0
Original line number Diff line number Diff line 
obj-$(CONFIG_PINCTRL_OWL)	+= pinctrl-owl.o

obj-$(CONFIG_PINCTRL_S700) 	+= pinctrl-s700.o

obj-$(CONFIG_PINCTRL_S900) 	+= pinctrl-s900.o

drivers/pinctrl/actions/pinctrl-owl.c

+4 −3
Original line number Diff line number Diff line
@@ -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);

}

drivers/pinctrl/actions/pinctrl-s700.c

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File added.

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