[U-Boot] [PATCH v3 3/6] dm: sunxi: Add pinmux functions which take a bank parameter
Simon Glass
sjg at chromium.org
Fri Oct 31 03:25:47 CET 2014
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 at chromium.org>
Acked-by: Hans de Goede <hdegoede at redhat.com>
---
Changes in v3: None
Changes in v2: None
arch/arm/cpu/armv7/sunxi/pinmux.c | 32 +++++++++++++++++++++-----------
arch/arm/include/asm/arch-sunxi/gpio.h | 4 +++-
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 7bb6499..989ad80 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);
--
2.1.0.rc2.206.gedb03e5
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