sunxi: gpio: Add per-bank drive and pull setters

The GPIO and pinctrl drivers need these setters for pin configuration.
Since they are DM drivers, they should not be using hardcoded base
addresses. Factor out variants of the setter functions which take a
pointer to the GPIO bank's MMIO registers.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

1 files changed, 16 insertions, 4 deletions

diff --git a/arch/arm/mach-sunxi/pinmux.c b/arch/arm/mach-sunxi/pinmux.c
index cf9d9daf7c..b2093b623a 100644
--- a/arch/arm/mach-sunxi/pinmux.c
+++ b/arch/arm/mach-sunxi/pinmux.c
@@ -48,19 +48,31 @@ int sunxi_gpio_get_cfgpin(u32 pin)
 void sunxi_gpio_set_drv(u32 pin, u32 val)
 {
 	u32 bank = GPIO_BANK(pin);
-	u32 index = GPIO_DRV_INDEX(pin);
-	u32 offset = GPIO_DRV_OFFSET(pin);
 	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
 
+	sunxi_gpio_set_drv_bank(pio, pin, val);
+}
+
+void sunxi_gpio_set_drv_bank(struct sunxi_gpio *pio, u32 bank_offset, u32 val)
+{
+	u32 index = GPIO_DRV_INDEX(bank_offset);
+	u32 offset = GPIO_DRV_OFFSET(bank_offset);
+
 	clrsetbits_le32(&pio->drv[0] + index, 0x3 << offset, val << offset);
 }
 
 void sunxi_gpio_set_pull(u32 pin, u32 val)
 {
 	u32 bank = GPIO_BANK(pin);
-	u32 index = GPIO_PULL_INDEX(pin);
-	u32 offset = GPIO_PULL_OFFSET(pin);
 	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
 
+	sunxi_gpio_set_pull_bank(pio, pin, val);
+}
+
+void sunxi_gpio_set_pull_bank(struct sunxi_gpio *pio, int bank_offset, u32 val)
+{
+	u32 index = GPIO_PULL_INDEX(bank_offset);
+	u32 offset = GPIO_PULL_OFFSET(bank_offset);
+
 	clrsetbits_le32(&pio->pull[0] + index, 0x3 << offset, val << offset);
 }