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dm: sunxi: Add pinmux functions which take a bank parameter

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With driver model we will have access to a bank pointer, so we want to
use it rather than converting back to a number, and then back to a
bank pointer. Add functions to provide this feature.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Simon Glass 2014-10-30 20:25:47 -06:00 committed by Hans de Goede
parent 57f878efe5
commit bf38891af2
2 changed files with 24 additions and 12 deletions
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32
arch/arm/cpu/armv7/sunxi/pinmux.c
View file

@ -10,32 +10,42 @@
#include <asm/io.h>
#include <asm/arch/gpio.h>
int sunxi_gpio_set_cfgpin(u32 pin, u32 val)
void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val)
{
u32 bank = GPIO_BANK(pin);
u32 index = GPIO_CFG_INDEX(pin);
u32 offset = GPIO_CFG_OFFSET(pin);
struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
u32 index = GPIO_CFG_INDEX(bank_offset);
u32 offset = GPIO_CFG_OFFSET(bank_offset);
clrsetbits_le32(&pio->cfg[0] + index, 0xf << offset, val << offset);
return 0;
}
int sunxi_gpio_get_cfgpin(u32 pin)
void sunxi_gpio_set_cfgpin(u32 pin, u32 val)
{
u32 cfg;
u32 bank = GPIO_BANK(pin);
u32 index = GPIO_CFG_INDEX(pin);
u32 offset = GPIO_CFG_OFFSET(pin);
struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
sunxi_gpio_set_cfgbank(pio, pin, val);
}
int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset)
{
u32 index = GPIO_CFG_INDEX(bank_offset);
u32 offset = GPIO_CFG_OFFSET(bank_offset);
u32 cfg;
cfg = readl(&pio->cfg[0] + index);
cfg >>= offset;
return cfg & 0xf;
}
int sunxi_gpio_get_cfgpin(u32 pin)
{
u32 bank = GPIO_BANK(pin);
struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
return sunxi_gpio_get_cfgbank(pio, pin);
}
int sunxi_gpio_set_drv(u32 pin, u32 val)
{
u32 bank = GPIO_BANK(pin);

4
arch/arm/include/asm/arch-sunxi/gpio.h
View file

@ -180,7 +180,9 @@ enum sunxi_gpio_number {
#define SUNXI_GPIO_PULL_UP 1
#define SUNXI_GPIO_PULL_DOWN 2
int sunxi_gpio_set_cfgpin(u32 pin, u32 val);
void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
int sunxi_gpio_get_cfgpin(u32 pin);
int sunxi_gpio_set_drv(u32 pin, u32 val);
int sunxi_gpio_set_pull(u32 pin, u32 val);