#define _SUNXI_GPIO_H
#include <linux/types.h>
+#include <asm/arch/cpu.h>
/*
* sunxi has 9 banks of gpio, they are:
#define SUNXI_GPIO_G 6
#define SUNXI_GPIO_H 7
#define SUNXI_GPIO_I 8
+
+/*
+ * This defines the number of GPIO banks for the _main_ GPIO controller.
+ * You should fix up the padding in struct sunxi_gpio_reg below if you
+ * change this.
+ */
#define SUNXI_GPIO_BANKS 9
+/*
+ * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO)
+ * at a different register offset.
+ *
+ * sun6i has 2 banks:
+ * PL0 - PL8 | PM0 - PM7
+ *
+ * sun8i has 1 bank:
+ * PL0 - PL11
+ */
+#define SUNXI_GPIO_L 11
+#define SUNXI_GPIO_M 12
+
struct sunxi_gpio {
u32 cfg[4];
u32 dat;
struct sunxi_gpio_int gpio_int;
};
-#define BANK_TO_GPIO(bank) \
- &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]
+#define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \
+ &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
+ &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
#define GPIO_BANK(pin) ((pin) >> 5)
#define GPIO_NUM(pin) ((pin) & 0x1f)
#define SUNXI_GPIO_G_NR 32
#define SUNXI_GPIO_H_NR 32
#define SUNXI_GPIO_I_NR 32
+#define SUNXI_GPIO_L_NR 32
+#define SUNXI_GPIO_M_NR 32
#define SUNXI_GPIO_NEXT(__gpio) \
((__gpio##_START) + (__gpio##_NR) + 0)
SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
+ SUNXI_GPIO_L_START = 352,
+ SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
};
/* SUNXI GPIO number definitions */
#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
+#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
+#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
/* GPIO pin function config */
#define SUNXI_GPIO_INPUT 0
#define SUN5I_GPB19_UART0_TX 2
#define SUN5I_GPB20_UART0_RX 2
+#define SUN5I_GPG3_SDC1 2
+
#define SUN5I_GPG3_UART1_TX 4
#define SUN5I_GPG4_UART1_RX 4
#define SUNXI_GPF0_SDC0 2
#define SUNXI_GPF2_SDC0 2
+
+#ifdef CONFIG_MACH_SUN8I
+#define SUNXI_GPF2_UART0_TX 3
+#define SUNXI_GPF4_UART0_RX 3
+#else
#define SUNXI_GPF2_UART0_TX 4
#define SUNXI_GPF4_UART0_RX 4
+#endif
#define SUN4I_GPG0_SDC1 4
#define SUN4I_GPH22_SDC1 5
+#define SUN6I_GPH20_UART0_TX 2
+#define SUN6I_GPH21_UART0_RX 2
+
#define SUN4I_GPI4_SDC3 2
+#define SUNXI_GPL0_R_P2WI_SCK 3
+#define SUNXI_GPL1_R_P2WI_SDA 3
+
+#define SUN8I_GPL2_R_UART_TX 2
+#define SUN8I_GPL3_R_UART_RX 2
+
/* GPIO pin pull-up/down config */
#define SUNXI_GPIO_PULL_DISABLE 0
#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);