summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorSimon Glass <sjg@chromium.org>2014-10-30 20:25:47 -0600
committerHans de Goede <hdegoede@redhat.com>2014-11-05 13:09:58 +0100
commitbf38891af26c7a5016bdf5b73e8f61f8063e0138 (patch)
tree6328c0703a9a44b4c2c13c4da573405049943d5b /arch
parent57f878efe5b2a588a4bbd56412529034978facd0 (diff)
downloadu-boot-imx-bf38891af26c7a5016bdf5b73e8f61f8063e0138.zip
u-boot-imx-bf38891af26c7a5016bdf5b73e8f61f8063e0138.tar.gz
u-boot-imx-bf38891af26c7a5016bdf5b73e8f61f8063e0138.tar.bz2
dm: sunxi: Add pinmux functions which take a bank parameter
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/sunxi/pinmux.c32
-rw-r--r--arch/arm/include/asm/arch-sunxi/gpio.h4
2 files changed, 24 insertions, 12 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/pinmux.c b/arch/arm/cpu/armv7/sunxi/pinmux.c
index 1f2843f..b026f78 100644
--- a/arch/arm/cpu/armv7/sunxi/pinmux.c
+++ b/arch/arm/cpu/armv7/sunxi/pinmux.c
@@ -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);
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 1527a6b..437dd35 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -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);