1 files changed, 43 insertions, 2 deletions

diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index f7f3d8c41a..7bb649950a 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -10,6 +10,7 @@
 #define _SUNXI_GPIO_H
 
 #include <linux/types.h>
+#include <asm/arch/cpu.h>
 
 /*
  * sunxi has 9 banks of gpio, they are:
@@ -27,8 +28,27 @@
 #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;
@@ -50,8 +70,9 @@ struct sunxi_gpio_reg {
 	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)
@@ -75,6 +96,8 @@ struct sunxi_gpio_reg {
 #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)
@@ -89,6 +112,8 @@ enum sunxi_gpio_number {
 	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 */
@@ -101,6 +126,8 @@ enum sunxi_gpio_number {
 #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
@@ -117,6 +144,8 @@ enum sunxi_gpio_number {
 #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
 
@@ -125,15 +154,27 @@ enum sunxi_gpio_number {
 #define SUNXI_GPF0_SDC0		2
 
 #define SUNXI_GPF2_SDC0		2
+
+#ifdef CONFIG_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 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