rockchip: pinctrl: rk322x: Move the iomux definitions into pinctrl-driver

Clean the iomux definitions at grf_rk322x.h, and move them into
pinctrl-driver for resolving the compiling error of redefinition.
After that, define the uart2 iomux at rk322x-board file.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

3 files changed, 39 insertions, 456 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk322x.h b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h
index c0c0d84..52e5a0a 100644
--- a/arch/arm/include/asm/arch-rockchip/grf_rk322x.h
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h
@@ -88,461 +88,6 @@ struct rk322x_sgrf {
 	unsigned int busdmac_con[4];
 };
 
-/* GRF_GPIO0A_IOMUX */
-enum {
-	GPIO0A7_SHIFT		= 14,
-	GPIO0A7_MASK		= 3 << GPIO0A7_SHIFT,
-	GPIO0A7_GPIO		= 0,
-	GPIO0A7_I2C3_SDA,
-	GPIO0A7_HDMI_DDCSDA,
-
-	GPIO0A6_SHIFT		= 12,
-	GPIO0A6_MASK		= 3 << GPIO0A6_SHIFT,
-	GPIO0A6_GPIO		= 0,
-	GPIO0A6_I2C3_SCL,
-	GPIO0A6_HDMI_DDCSCL,
-
-	GPIO0A3_SHIFT		= 6,
-	GPIO0A3_MASK		= 3 << GPIO0A3_SHIFT,
-	GPIO0A3_GPIO		= 0,
-	GPIO0A3_I2C1_SDA,
-	GPIO0A3_SDIO_CMD,
-
-	GPIO0A2_SHIFT		= 4,
-	GPIO0A2_MASK		= 3 << GPIO0A2_SHIFT,
-	GPIO0A2_GPIO		= 0,
-	GPIO0A2_I2C1_SCL,
-
-	GPIO0A1_SHIFT		= 2,
-	GPIO0A1_MASK		= 3 << GPIO0A1_SHIFT,
-	GPIO0A1_GPIO		= 0,
-	GPIO0A1_I2C0_SDA,
-
-	GPIO0A0_SHIFT		= 0,
-	GPIO0A0_MASK		= 3 << GPIO0A0_SHIFT,
-	GPIO0A0_GPIO		= 0,
-	GPIO0A0_I2C0_SCL,
-};
-
-/* GRF_GPIO0B_IOMUX */
-enum {
-	GPIO0B7_SHIFT		= 14,
-	GPIO0B7_MASK		= 3 << GPIO0B7_SHIFT,
-	GPIO0B7_GPIO		= 0,
-	GPIO0B7_HDMI_HDP,
-
-	GPIO0B6_SHIFT		= 12,
-	GPIO0B6_MASK		= 3 << GPIO0B6_SHIFT,
-	GPIO0B6_GPIO		= 0,
-	GPIO0B6_I2S_SDI,
-	GPIO0B6_SPI_CSN0,
-
-	GPIO0B5_SHIFT		= 10,
-	GPIO0B5_MASK		= 3 << GPIO0B5_SHIFT,
-	GPIO0B5_GPIO		= 0,
-	GPIO0B5_I2S_SDO,
-	GPIO0B5_SPI_RXD,
-
-	GPIO0B3_SHIFT		= 6,
-	GPIO0B3_MASK		= 3 << GPIO0B3_SHIFT,
-	GPIO0B3_GPIO		= 0,
-	GPIO0B3_I2S1_LRCKRX,
-	GPIO0B3_SPI_TXD,
-
-	GPIO0B1_SHIFT		= 2,
-	GPIO0B1_MASK		= 3 << GPIO0B1_SHIFT,
-	GPIO0B1_GPIO		= 0,
-	GPIO0B1_I2S_SCLK,
-	GPIO0B1_SPI_CLK,
-
-	GPIO0B0_SHIFT		= 0,
-	GPIO0B0_MASK		= 3,
-	GPIO0B0_GPIO		= 0,
-	GPIO0B0_I2S_MCLK,
-};
-
-/* GRF_GPIO0C_IOMUX */
-enum {
-	GPIO0C4_SHIFT		= 8,
-	GPIO0C4_MASK		= 3 << GPIO0C4_SHIFT,
-	GPIO0C4_GPIO		= 0,
-	GPIO0C4_HDMI_CECSDA,
-
-	GPIO0C1_SHIFT		= 2,
-	GPIO0C1_MASK		= 3 << GPIO0C1_SHIFT,
-	GPIO0C1_GPIO		= 0,
-	GPIO0C1_UART0_RSTN,
-	GPIO0C1_CLK_OUT1,
-};
-
-/* GRF_GPIO0D_IOMUX */
-enum {
-	GPIO0D6_SHIFT		= 12,
-	GPIO0D6_MASK		= 3 << GPIO0D6_SHIFT,
-	GPIO0D6_GPIO		= 0,
-	GPIO0D6_SDIO_PWREN,
-	GPIO0D6_PWM11,
-
-
-	GPIO0D4_SHIFT		= 8,
-	GPIO0D4_MASK		= 3 << GPIO0D4_SHIFT,
-	GPIO0D4_GPIO		= 0,
-	GPIO0D4_PWM2,
-
-	GPIO0D3_SHIFT		= 6,
-	GPIO0D3_MASK		= 3 << GPIO0D3_SHIFT,
-	GPIO0D3_GPIO		= 0,
-	GPIO0D3_PWM1,
-
-	GPIO0D2_SHIFT		= 4,
-	GPIO0D2_MASK		= 3 << GPIO0D2_SHIFT,
-	GPIO0D2_GPIO		= 0,
-	GPIO0D2_PWM0,
-};
-
-/* GRF_GPIO1A_IOMUX */
-enum {
-	GPIO1A7_SHIFT		= 14,
-	GPIO1A7_MASK		= 1,
-	GPIO1A7_GPIO		= 0,
-	GPIO1A7_SDMMC_WRPRT,
-};
-
-/* GRF_GPIO1B_IOMUX */
-enum {
-	GPIO1B7_SHIFT		= 14,
-	GPIO1B7_MASK		= 3 << GPIO1B7_SHIFT,
-	GPIO1B7_GPIO		= 0,
-	GPIO1B7_SDMMC_CMD,
-
-	GPIO1B6_SHIFT		= 12,
-	GPIO1B6_MASK		= 3 << GPIO1B6_SHIFT,
-	GPIO1B6_GPIO		= 0,
-	GPIO1B6_SDMMC_PWREN,
-
-	GPIO1B4_SHIFT		= 8,
-	GPIO1B4_MASK		= 3 << GPIO1B4_SHIFT,
-	GPIO1B4_GPIO		= 0,
-	GPIO1B4_SPI_CSN1,
-	GPIO1B4_PWM12,
-
-	GPIO1B3_SHIFT		= 6,
-	GPIO1B3_MASK		= 3 << GPIO1B3_SHIFT,
-	GPIO1B3_GPIO		= 0,
-	GPIO1B3_UART1_RSTN,
-	GPIO1B3_PWM13,
-
-	GPIO1B2_SHIFT		= 4,
-	GPIO1B2_MASK		= 3 << GPIO1B2_SHIFT,
-	GPIO1B2_GPIO		= 0,
-	GPIO1B2_UART1_SIN,
-	GPIO1B2_UART21_SIN,
-
-	GPIO1B1_SHIFT		= 2,
-	GPIO1B1_MASK		= 3 << GPIO1B1_SHIFT,
-	GPIO1B1_GPIO		= 0,
-	GPIO1B1_UART1_SOUT,
-	GPIO1B1_UART21_SOUT,
-};
-
-/* GRF_GPIO1C_IOMUX */
-enum {
-	GPIO1C7_SHIFT		= 14,
-	GPIO1C7_MASK		= 3 << GPIO1C7_SHIFT,
-	GPIO1C7_GPIO		= 0,
-	GPIO1C7_NAND_CS3,
-	GPIO1C7_EMMC_RSTNOUT,
-
-	GPIO1C6_SHIFT		= 12,
-	GPIO1C6_MASK		= 3 << GPIO1C6_SHIFT,
-	GPIO1C6_GPIO		= 0,
-	GPIO1C6_NAND_CS2,
-	GPIO1C6_EMMC_CMD,
-
-
-	GPIO1C5_SHIFT		= 10,
-	GPIO1C5_MASK		= 3 << GPIO1C5_SHIFT,
-	GPIO1C5_GPIO		= 0,
-	GPIO1C5_SDMMC_D3,
-	GPIO1C5_JTAG_TMS,
-
-	GPIO1C4_SHIFT		= 8,
-	GPIO1C4_MASK		= 3 << GPIO1C4_SHIFT,
-	GPIO1C4_GPIO		= 0,
-	GPIO1C4_SDMMC_D2,
-	GPIO1C4_JTAG_TCK,
-
-	GPIO1C3_SHIFT		= 6,
-	GPIO1C3_MASK		= 3 << GPIO1C3_SHIFT,
-	GPIO1C3_GPIO		= 0,
-	GPIO1C3_SDMMC_D1,
-	GPIO1C3_UART2_SIN,
-
-	GPIO1C2_SHIFT		= 4,
-	GPIO1C2_MASK		= 3 << GPIO1C2_SHIFT ,
-	GPIO1C2_GPIO		= 0,
-	GPIO1C2_SDMMC_D0,
-	GPIO1C2_UART2_SOUT,
-
-	GPIO1C1_SHIFT		= 2,
-	GPIO1C1_MASK		= 3 << GPIO1C1_SHIFT,
-	GPIO1C1_GPIO		= 0,
-	GPIO1C1_SDMMC_DETN,
-
-	GPIO1C0_SHIFT		= 0,
-	GPIO1C0_MASK		= 3 << GPIO1C0_SHIFT,
-	GPIO1C0_GPIO		= 0,
-	GPIO1C0_SDMMC_CLKOUT,
-};
-
-/* GRF_GPIO1D_IOMUX */
-enum {
-	GPIO1D7_SHIFT		= 14,
-	GPIO1D7_MASK		= 3 << GPIO1D7_SHIFT,
-	GPIO1D7_GPIO		= 0,
-	GPIO1D7_NAND_D7,
-	GPIO1D7_EMMC_D7,
-
-	GPIO1D6_SHIFT		= 12,
-	GPIO1D6_MASK		= 3 << GPIO1D6_SHIFT,
-	GPIO1D6_GPIO		= 0,
-	GPIO1D6_NAND_D6,
-	GPIO1D6_EMMC_D6,
-
-	GPIO1D5_SHIFT		= 10,
-	GPIO1D5_MASK		= 3 << GPIO1D5_SHIFT,
-	GPIO1D5_GPIO		= 0,
-	GPIO1D5_NAND_D5,
-	GPIO1D5_EMMC_D5,
-
-	GPIO1D4_SHIFT		= 8,
-	GPIO1D4_MASK		= 3 << GPIO1D4_SHIFT,
-	GPIO1D4_GPIO		= 0,
-	GPIO1D4_NAND_D4,
-	GPIO1D4_EMMC_D4,
-
-	GPIO1D3_SHIFT		= 6,
-	GPIO1D3_MASK		= 3 << GPIO1D3_SHIFT,
-	GPIO1D3_GPIO		= 0,
-	GPIO1D3_NAND_D3,
-	GPIO1D3_EMMC_D3,
-
-	GPIO1D2_SHIFT		= 4,
-	GPIO1D2_MASK		= 3 << GPIO1D2_SHIFT,
-	GPIO1D2_GPIO		= 0,
-	GPIO1D2_NAND_D2,
-	GPIO1D2_EMMC_D2,
-
-	GPIO1D1_SHIFT		= 2,
-	GPIO1D1_MASK		= 3 << GPIO1D1_SHIFT,
-	GPIO1D1_GPIO		= 0,
-	GPIO1D1_NAND_D1,
-	GPIO1D1_EMMC_D1,
-
-	GPIO1D0_SHIFT		= 0,
-	GPIO1D0_MASK		= 3 << GPIO1D0_SHIFT,
-	GPIO1D0_GPIO		= 0,
-	GPIO1D0_NAND_D0,
-	GPIO1D0_EMMC_D0,
-};
-
-/* GRF_GPIO2A_IOMUX */
-enum {
-	GPIO2A7_SHIFT		= 14,
-	GPIO2A7_MASK		= 3 << GPIO2A7_SHIFT,
-	GPIO2A7_GPIO		= 0,
-	GPIO2A7_NAND_DQS,
-	GPIO2A7_EMMC_CLKOUT,
-
-	GPIO2A5_SHIFT		= 10,
-	GPIO2A5_MASK		= 3 << GPIO2A5_SHIFT,
-	GPIO2A5_GPIO		= 0,
-	GPIO2A5_NAND_WP,
-	GPIO2A5_EMMC_PWREN,
-
-	GPIO2A4_SHIFT		= 8,
-	GPIO2A4_MASK		= 3 << GPIO2A4_SHIFT,
-	GPIO2A4_GPIO		= 0,
-	GPIO2A4_NAND_RDY,
-	GPIO2A4_EMMC_CMD,
-
-	GPIO2A3_SHIFT		= 6,
-	GPIO2A3_MASK		= 3 << GPIO2A3_SHIFT,
-	GPIO2A3_GPIO		= 0,
-	GPIO2A3_NAND_RDN,
-	GPIO2A4_SPI1_CSN1,
-
-	GPIO2A2_SHIFT		= 4,
-	GPIO2A2_MASK		= 3 << GPIO2A2_SHIFT,
-	GPIO2A2_GPIO		= 0,
-	GPIO2A2_NAND_WRN,
-	GPIO2A4_SPI1_CSN0,
-
-	GPIO2A1_SHIFT		= 2,
-	GPIO2A1_MASK		= 3 << GPIO2A1_SHIFT,
-	GPIO2A1_GPIO		= 0,
-	GPIO2A1_NAND_CLE,
-	GPIO2A1_SPI1_TXD,
-
-	GPIO2A0_SHIFT		= 0,
-	GPIO2A0_MASK		= 3 << GPIO2A0_SHIFT,
-	GPIO2A0_GPIO		= 0,
-	GPIO2A0_NAND_ALE,
-	GPIO2A0_SPI1_RXD,
-};
-
-/* GRF_GPIO2B_IOMUX */
-enum {
-	GPIO2B7_SHIFT		= 14,
-	GPIO2B7_MASK		= 3 << GPIO2B7_SHIFT,
-	GPIO2B7_GPIO		= 0,
-	GPIO2B7_GMAC_RXER,
-
-	GPIO2B6_SHIFT		= 12,
-	GPIO2B6_MASK		= 3 << GPIO2B6_SHIFT,
-	GPIO2B6_GPIO		= 0,
-	GPIO2B6_GMAC_CLK,
-	GPIO2B6_MAC_LINK,
-
-	GPIO2B5_SHIFT		= 10,
-	GPIO2B5_MASK		= 3 << GPIO2B5_SHIFT,
-	GPIO2B5_GPIO		= 0,
-	GPIO2B5_GMAC_TXEN,
-
-	GPIO2B4_SHIFT		= 8,
-	GPIO2B4_MASK		= 3 << GPIO2B4_SHIFT,
-	GPIO2B4_GPIO		= 0,
-	GPIO2B4_GMAC_MDIO,
-
-	GPIO2B3_SHIFT		= 6,
-	GPIO2B3_MASK		= 3 << GPIO2B3_SHIFT,
-	GPIO2B3_GPIO		= 0,
-	GPIO2B3_GMAC_RXCLK,
-
-	GPIO2B2_SHIFT		= 4,
-	GPIO2B2_MASK		= 3 << GPIO2B2_SHIFT,
-	GPIO2B2_GPIO		= 0,
-	GPIO2B2_GMAC_CRS,
-
-	GPIO2B1_SHIFT		= 2,
-	GPIO2B1_MASK		= 3 << GPIO2B1_SHIFT,
-	GPIO2B1_GPIO		= 0,
-	GPIO2B1_GMAC_TXCLK,
-
-
-	GPIO2B0_SHIFT		= 0,
-	GPIO2B0_MASK		= 3 << GPIO2B0_SHIFT,
-	GPIO2B0_GPIO		= 0,
-	GPIO2B0_GMAC_RXDV,
-	GPIO2B0_MAC_SPEED_IOUT,
-};
-
-/* GRF_GPIO2C_IOMUX */
-enum {
-	GPIO2C7_SHIFT		= 14,
-	GPIO2C7_MASK		= 3 << GPIO2C7_SHIFT,
-	GPIO2C7_GPIO		= 0,
-	GPIO2C7_GMAC_TXD3,
-
-	GPIO2C6_SHIFT		= 12,
-	GPIO2C6_MASK		= 3 << GPIO2C6_SHIFT,
-	GPIO2C6_GPIO		= 0,
-	GPIO2C6_GMAC_TXD2,
-
-	GPIO2C5_SHIFT		= 10,
-	GPIO2C5_MASK		= 3 << GPIO2C5_SHIFT,
-	GPIO2C5_GPIO		= 0,
-	GPIO2C5_I2C2_SCL,
-	GPIO2C5_GMAC_RXD2,
-
-	GPIO2C4_SHIFT		= 8,
-	GPIO2C4_MASK		= 3 << GPIO2C4_SHIFT,
-	GPIO2C4_GPIO		= 0,
-	GPIO2C4_I2C2_SDA,
-	GPIO2C4_GMAC_RXD3,
-
-	GPIO2C3_SHIFT		= 6,
-	GPIO2C3_MASK		= 3 << GPIO2C3_SHIFT,
-	GPIO2C3_GPIO		= 0,
-	GPIO2C3_GMAC_TXD0,
-
-	GPIO2C2_SHIFT		= 4,
-	GPIO2C2_MASK		= 3 << GPIO2C2_SHIFT,
-	GPIO2C2_GPIO		= 0,
-	GPIO2C2_GMAC_TXD1,
-
-	GPIO2C1_SHIFT		= 2,
-	GPIO2C1_MASK		= 3 << GPIO2C1_SHIFT,
-	GPIO2C1_GPIO		= 0,
-	GPIO2C1_GMAC_RXD0,
-
-	GPIO2C0_SHIFT		= 0,
-	GPIO2C0_MASK		= 3 << GPIO2C0_SHIFT,
-	GPIO2C0_GPIO		= 0,
-	GPIO2C0_GMAC_RXD1,
-};
-
-/* GRF_GPIO2D_IOMUX */
-enum {
-	GPIO2D1_SHIFT		= 2,
-	GPIO2D1_MASK		= 3 << GPIO2D1_SHIFT,
-	GPIO2D1_GPIO		= 0,
-	GPIO2D1_GMAC_MDC,
-
-	GPIO2D0_SHIFT		= 0,
-	GPIO2D0_MASK		= 3,
-	GPIO2D0_GPIO		= 0,
-	GPIO2D0_GMAC_COL,
-};
-
-/* GRF_GPIO3C_IOMUX */
-enum {
-	GPIO3C6_SHIFT		= 12,
-	GPIO3C6_MASK		= 3 << GPIO3C6_SHIFT,
-	GPIO3C6_GPIO		= 0,
-	GPIO3C6_DRV_VBUS1,
-
-	GPIO3C5_SHIFT		= 10,
-	GPIO3C5_MASK		= 3 << GPIO3C5_SHIFT,
-	GPIO3C5_GPIO		= 0,
-	GPIO3C5_PWM10,
-
-	GPIO3C1_SHIFT		= 2,
-	GPIO3C1_MASK		= 3 << GPIO3C1_SHIFT,
-	GPIO3C1_GPIO		= 0,
-	GPIO3C1_DRV_VBUS,
-};
-
-/* GRF_GPIO3D_IOMUX */
-enum {
-	GPIO3D2_SHIFT	= 4,
-	GPIO3D2_MASK	= 3 << GPIO3D2_SHIFT,
-	GPIO3D2_GPIO	= 0,
-	GPIO3D2_PWM3,
-};
-
-/* GRF_CON_IOMUX */
-enum {
-	CON_IOMUX_GMAC_SHIFT		= 15,
-	CON_IOMUX_GMAC_MASK	= 1 << CON_IOMUX_GMAC_SHIFT,
-	CON_IOMUX_UART1SEL_SHIFT	= 11,
-	CON_IOMUX_UART1SEL_MASK	= 1 << CON_IOMUX_UART1SEL_SHIFT,
-	CON_IOMUX_UART2SEL_SHIFT	= 8,
-	CON_IOMUX_UART2SEL_MASK	= 1 << CON_IOMUX_UART2SEL_SHIFT,
-	CON_IOMUX_UART2SEL_2	= 0,
-	CON_IOMUX_UART2SEL_21,
-	CON_IOMUX_EMMCSEL_SHIFT	= 7,
-	CON_IOMUX_EMMCSEL_MASK	= 1 << CON_IOMUX_EMMCSEL_SHIFT,
-	CON_IOMUX_PWM3SEL_SHIFT	= 3,
-	CON_IOMUX_PWM3SEL_MASK	= 1 << CON_IOMUX_PWM3SEL_SHIFT,
-	CON_IOMUX_PWM2SEL_SHIFT	= 2,
-	CON_IOMUX_PWM2SEL_MASK	= 1 << CON_IOMUX_PWM2SEL_SHIFT,
-	CON_IOMUX_PWM1SEL_SHIFT	= 1,
-	CON_IOMUX_PWM1SEL_MASK	= 1 << CON_IOMUX_PWM1SEL_SHIFT,
-	CON_IOMUX_PWM0SEL_SHIFT	= 0,
-	CON_IOMUX_PWM0SEL_MASK	= 1 << CON_IOMUX_PWM0SEL_SHIFT,
-};
-
 /* GRF_MACPHY_CON0 */
 enum {
 	MACPHY_CFG_ENABLE_SHIFT = 0,
diff --git a/arch/arm/mach-rockchip/rk322x-board-spl.c b/arch/arm/mach-rockchip/rk322x-board-spl.c
index 35f4f97..206abfa 100644
--- a/arch/arm/mach-rockchip/rk322x-board-spl.c
+++ b/arch/arm/mach-rockchip/rk322x-board-spl.c
@@ -30,7 +30,27 @@ DECLARE_GLOBAL_DATA_PTR;
 
 void board_debug_uart_init(void)
 {
-static struct rk322x_grf * const grf = (void *)GRF_BASE;
+	static struct rk322x_grf * const grf = (void *)GRF_BASE;
+	enum {
+		GPIO1B2_SHIFT		= 4,
+		GPIO1B2_MASK		= 3 << GPIO1B2_SHIFT,
+		GPIO1B2_GPIO            = 0,
+		GPIO1B2_UART1_SIN,
+		GPIO1B2_UART21_SIN,
+
+		GPIO1B1_SHIFT		= 2,
+		GPIO1B1_MASK		= 3 << GPIO1B1_SHIFT,
+		GPIO1B1_GPIO            = 0,
+		GPIO1B1_UART1_SOUT,
+		GPIO1B1_UART21_SOUT,
+	};
+	enum {
+		CON_IOMUX_UART2SEL_SHIFT= 8,
+		CON_IOMUX_UART2SEL_MASK	= 1 << CON_IOMUX_UART2SEL_SHIFT,
+		CON_IOMUX_UART2SEL_2	= 0,
+		CON_IOMUX_UART2SEL_21,
+	};
+
 	/* Enable early UART2 channel 1 on the RK322x */
 	rk_clrsetreg(&grf->gpio1b_iomux,
 		     GPIO1B1_MASK | GPIO1B2_MASK,
diff --git a/arch/arm/mach-rockchip/rk322x-board.c b/arch/arm/mach-rockchip/rk322x-board.c
index e71847d..8642a90 100644
--- a/arch/arm/mach-rockchip/rk322x-board.c
+++ b/arch/arm/mach-rockchip/rk322x-board.c
@@ -34,6 +34,24 @@ int board_init(void)
 	/* Enable early UART2 channel 1 on the RK322x */
 #define GRF_BASE	0x11000000
 	struct rk322x_grf * const grf = (void *)GRF_BASE;
+	enum {
+		GPIO1B2_SHIFT		= 4,
+		GPIO1B2_MASK		= 3 << GPIO1B2_SHIFT,
+		GPIO1B2_GPIO		= 0,
+		GPIO1B2_UART21_SIN,
+
+		GPIO1B1_SHIFT		= 2,
+		GPIO1B1_MASK		= 3 << GPIO1B1_SHIFT,
+		GPIO1B1_GPIO            = 0,
+		GPIO1B1_UART1_SOUT,
+		GPIO1B1_UART21_SOUT,
+	};
+	enum {
+		CON_IOMUX_UART2SEL_SHIFT= 8,
+		CON_IOMUX_UART2SEL_MASK	= 1 << CON_IOMUX_UART2SEL_SHIFT,
+		CON_IOMUX_UART2SEL_2	= 0,
+		CON_IOMUX_UART2SEL_21,
+	};
 
 	rk_clrsetreg(&grf->gpio1b_iomux,
 		     GPIO1B1_MASK | GPIO1B2_MASK,