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rk29: gpio: add clock support

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黄涛
2010-12-22 11:05:52 +08:00
parent bd9b52bf87
commit 0ba37f847c
1 changed files with 10 additions and 7 deletions
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17
arch/arm/mach-rk29/gpio.c
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@@ -39,6 +39,7 @@ struct rk29_gpio_chip {
struct rk29_gpio_chip *next; /* Bank sharing same clock */
struct rk29_gpio_bank *bank; /* Bank definition */
unsigned char __iomem *regbase; /* Base of register bank */
struct clk *clk;
};
static struct lock_class_key gpio_lock_class;
@@ -68,13 +69,13 @@ static int rk29_gpiolib_to_irq(struct gpio_chip *chip,unsigned offset);
}
static struct rk29_gpio_chip rk29gpio_chip[] = {
RK29_GPIO_CHIP("GPIO0ABCD", PIN_BASE + 0*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO1ABCD", PIN_BASE + 1*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO2ABCD", PIN_BASE + 2*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO3ABCD", PIN_BASE + 3*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO4ABCD", PIN_BASE + 4*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO5ABCD", PIN_BASE + 5*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("GPIO6ABCD", PIN_BASE + 6*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio0", PIN_BASE + 0*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio1", PIN_BASE + 1*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio2", PIN_BASE + 2*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio3", PIN_BASE + 3*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio4", PIN_BASE + 4*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio5", PIN_BASE + 5*NUM_GROUP, NUM_GROUP),
RK29_GPIO_CHIP("gpio6", PIN_BASE + 6*NUM_GROUP, NUM_GROUP),
};
static inline void rk29_gpio_write(unsigned char __iomem *regbase, unsigned int regOff,unsigned int val)
@@ -647,6 +648,8 @@ void __init rk29_gpio_init(struct rk29_gpio_bank *data, int nr_banks)
rk29_gpio = &rk29gpio_chip[i];
rk29_gpio->bank = &data[i];
rk29_gpio->regbase = (unsigned char __iomem *)rk29_gpio->bank->offset;
rk29_gpio->clk = clk_get(NULL, rk29_gpio->chip.label);
clk_enable(rk29_gpio->clk);
if(last)
last->next = rk29_gpio;
last = rk29_gpio;