rockchip: rk3288: Add pinctrl support for the gmac ethernet interface

Add support for the gmac ethernet interface to pinctrl. This hardcodes
the setup to match that of the firefly and Radxa Rock2 boards, using the
RGMII phy mode for gmac interface and GPIO4B0 as the phy reset GPIO.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

1 files changed, 178 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3288.h b/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
index fbc4a0d..818e4c5 100644
--- a/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
@@ -283,6 +283,163 @@ enum {
 	GPIO3C0_EMMC_CMD,
 };
 
+/* GRF_GPIO3DL_IOMUX */
+enum {
+	GPIO3D3_SHIFT		= 12,
+	GPIO3D3_MASK		= 7,
+	GPIO3D3_GPIO		= 0,
+	GPIO3D3_FLASH1_DATA3,
+	GPIO3D3_HOST_DOUT3,
+	GPIO3D3_MAC_RXD3,
+	GPIO3D3_SDIO1_DATA3,
+
+	GPIO3D2_SHIFT		= 8,
+	GPIO3D2_MASK		= 7,
+	GPIO3D2_GPIO		= 0,
+	GPIO3D2_FLASH1_DATA2,
+	GPIO3D2_HOST_DOUT2,
+	GPIO3D2_MAC_RXD2,
+	GPIO3D2_SDIO1_DATA2,
+
+	GPIO3D1_SHIFT		= 4,
+	GPIO3D1_MASK		= 7,
+	GPIO3D1_GPIO		= 0,
+	GPIO3DL1_FLASH1_DATA1,
+	GPIO3D1_HOST_DOUT1,
+	GPIO3D1_MAC_TXD3,
+	GPIO3D1_SDIO1_DATA1,
+
+	GPIO3D0_SHIFT		= 0,
+	GPIO3D0_MASK		= 7,
+	GPIO3D0_GPIO		= 0,
+	GPIO3D0_FLASH1_DATA0,
+	GPIO3D0_HOST_DOUT0,
+	GPIO3D0_MAC_TXD2,
+	GPIO3D0_SDIO1_DATA0,
+};
+
+/* GRF_GPIO3HL_IOMUX */
+enum {
+	GPIO3D7_SHIFT		= 12,
+	GPIO3D7_MASK		= 7,
+	GPIO3D7_GPIO		= 0,
+	GPIO3D7_FLASH1_DATA7,
+	GPIO3D7_HOST_DOUT7,
+	GPIO3D7_MAC_RXD1,
+	GPIO3D7_SDIO1_INTN,
+
+	GPIO3D6_SHIFT		= 8,
+	GPIO3D6_MASK		= 7,
+	GPIO3D6_GPIO		= 0,
+	GPIO3D6_FLASH1_DATA6,
+	GPIO3D6_HOST_DOUT6,
+	GPIO3D6_MAC_RXD0,
+	GPIO3D6_SDIO1_BKPWR,
+
+	GPIO3D5_SHIFT		= 4,
+	GPIO3D5_MASK		= 7,
+	GPIO3D5_GPIO		= 0,
+	GPIO3D5_FLASH1_DATA5,
+	GPIO3D5_HOST_DOUT5,
+	GPIO3D5_MAC_TXD1,
+	GPIO3D5_SDIO1_WRPRT,
+
+	GPIO3D4_SHIFT		= 0,
+	GPIO3D4_MASK		= 7,
+	GPIO3D4_GPIO		= 0,
+	GPIO3D4_FLASH1_DATA4,
+	GPIO3D4_HOST_DOUT4,
+	GPIO3D4_MAC_TXD0,
+	GPIO3D4_SDIO1_DETECTN,
+};
+
+/* GRF_GPIO4AL_IOMUX */
+enum {
+	GPIO4A3_SHIFT		= 12,
+	GPIO4A3_MASK		= 7,
+	GPIO4A3_GPIO		= 0,
+	GPIO4A3_FLASH1_ALE,
+	GPIO4A3_HOST_DOUT9,
+	GPIO4A3_MAC_CLK,
+	GPIO4A3_FLASH0_CSN6,
+
+	GPIO4A2_SHIFT		= 8,
+	GPIO4A2_MASK		= 7,
+	GPIO4A2_GPIO		= 0,
+	GPIO4A2_FLASH1_RDN,
+	GPIO4A2_HOST_DOUT8,
+	GPIO4A2_MAC_RXER,
+	GPIO4A2_FLASH0_CSN5,
+
+	GPIO4A1_SHIFT		= 4,
+	GPIO4A1_MASK		= 7,
+	GPIO4A1_GPIO		= 0,
+	GPIO4A1_FLASH1_WP,
+	GPIO4A1_HOST_CKOUTN,
+	GPIO4A1_MAC_TXDV,
+	GPIO4A1_FLASH0_CSN4,
+
+	GPIO4A0_SHIFT		= 0,
+	GPIO4A0_MASK		= 3,
+	GPIO4A0_GPIO		= 0,
+	GPIO4A0_FLASH1_RDY,
+	GPIO4A0_HOST_CKOUTP,
+	GPIO4A0_MAC_MDC,
+};
+
+/* GRF_GPIO4AH_IOMUX */
+enum {
+	GPIO4A7_SHIFT		= 12,
+	GPIO4A7_MASK		= 7,
+	GPIO4A7_GPIO		= 0,
+	GPIO4A7_FLASH1_CSN1,
+	GPIO4A7_HOST_DOUT13,
+	GPIO4A7_MAC_CSR,
+	GPIO4A7_SDIO1_CLKOUT,
+
+	GPIO4A6_SHIFT		= 8,
+	GPIO4A6_MASK		= 7,
+	GPIO4A6_GPIO		= 0,
+	GPIO4A6_FLASH1_CSN0,
+	GPIO4A6_HOST_DOUT12,
+	GPIO4A6_MAC_RXCLK,
+	GPIO4A6_SDIO1_CMD,
+
+	GPIO4A5_SHIFT		= 4,
+	GPIO4A5_MASK		= 3,
+	GPIO4A5_GPIO		= 0,
+	GPIO4A5_FLASH1_WRN,
+	GPIO4A5_HOST_DOUT11,
+	GPIO4A5_MAC_MDIO,
+
+	GPIO4A4_SHIFT		= 0,
+	GPIO4A4_MASK		= 7,
+	GPIO4A4_GPIO		= 0,
+	GPIO4A4_FLASH1_CLE,
+	GPIO4A4_HOST_DOUT10,
+	GPIO4A4_MAC_TXEN,
+	GPIO4A4_FLASH0_CSN7,
+};
+
+/* GRF_GPIO4BL_IOMUX */
+enum {
+	GPIO4B1_SHIFT		= 4,
+	GPIO4B1_MASK		= 7,
+	GPIO4B1_GPIO		= 0,
+	GPIO4B1_FLASH1_CSN2,
+	GPIO4B1_HOST_DOUT15,
+	GPIO4B1_MAC_TXCLK,
+	GPIO4B1_SDIO1_PWREN,
+
+	GPIO4B0_SHIFT		= 0,
+	GPIO4B0_MASK		= 7,
+	GPIO4B0_GPIO		= 0,
+	GPIO4B0_FLASH1_DQS,
+	GPIO4B0_HOST_DOUT14,
+	GPIO4B0_MAC_COL,
+	GPIO4B0_FLASH1_CSN3,
+};
+
 /* GRF_GPIO4C_IOMUX */
 enum {
 	GPIO4C7_SHIFT		= 14,
@@ -886,4 +1043,25 @@ enum GRF_SOC_CON8 {
 	RK3288_DPHY_TX0_TURNREQUEST_DIS = 0,
 };
 
+/* GPIO Bias settings */
+enum GPIO_BIAS {
+	GPIO_BIAS_2MA = 0,
+	GPIO_BIAS_4MA,
+	GPIO_BIAS_8MA,
+	GPIO_BIAS_12MA,
+};
+
+#define GPIO_BIAS_MASK	0x3
+#define GPIO_BIAS_SHIFT(x)  ((x) * 2)
+
+enum GPIO_PU_PD {
+	GPIO_PULL_NORMAL = 0,
+	GPIO_PULL_UP,
+	GPIO_PULL_DOWN,
+	GPIO_PULL_REPEAT,
+};
+
+#define GPIO_PULL_MASK	0x3
+#define GPIO_PULL_SHIFT(x)  ((x) * 2)
+
 #endif