[ramips] add GPIO configuration feature

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17512 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 20 insertions, 0 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
index d4a192063..7f0666d5b 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
@@ -49,6 +49,7 @@
 #define SYSC_REG_SYSTEM_CONFIG	0x010	/* System Configuration */
 #define SYSC_REG_RESET_CTRL	0x034	/* Reset Control*/
 #define SYSC_REG_RESET_STATUS	0x038	/* Reset Status*/
+#define SYSC_REG_GPIO_MODE	0x060	/* GPIO Purpose Select */
 #define SYSC_REG_IA_ADDRESS	0x310	/* Illegal Access Address */
 #define SYSC_REG_IA_TYPE	0x314	/* Illegal Access Type */
 
@@ -61,6 +62,25 @@
 #define SYSTEM_CONFIG_CPUCLK_320	0x0
 #define SYSTEM_CONFIG_CPUCLK_384	0x1
 
+#define RT305X_GPIO_MODE_I2C		BIT(0)
+#define RT305X_GPIO_MODE_SPI		BIT(1)
+#define RT305X_GPIO_MODE_UART0_SHIFT	2
+#define RT305X_GPIO_MODE_UART0_MASK	0x7
+#define RT305X_GPIO_MODE_UART0(x)	((x) << RT305X_GPIO_MODE_UART0_SHIFT)
+#define RT305X_GPIO_MODE_UARTF		0x0
+#define RT305X_GPIO_MODE_PCM_UARTF	0x1
+#define RT305X_GPIO_MODE_PCM_I2S	0x2
+#define RT305X_GPIO_MODE_I2S_UARTF	0x3
+#define RT305X_GPIO_MODE_PCM_GPIO	0x4
+#define RT305X_GPIO_MODE_GPIO_UARTF	0x5
+#define RT305X_GPIO_MODE_GPIO_I2S	0x6
+#define RT305X_GPIO_MODE_GPIO		0x7
+#define RT305X_GPIO_MODE_UART1		BIT(5)
+#define RT305X_GPIO_MODE_JTAG		BIT(6)
+#define RT305X_GPIO_MODE_MDIO		BIT(7)
+#define RT305X_GPIO_MODE_SDRAM		BIT(8)
+#define RT305X_GPIO_MODE_RGMII		BIT(9)
+
 #define RT305X_RESET_SYSTEM	BIT(0)
 #define RT305X_RESET_TIMER	BIT(8)
 #define RT305X_RESET_INTC	BIT(9)