rockchip: rk3288: Add i2s pinctrl and clock support

Add support for setting pinctrl and clock for I2S on rk3288. This allows
the sound driver to operate. These settings were created by rkmux.py

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

3 files changed, 105 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3288.h b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h
index 0475598b77..e891f20b37 100644
--- a/arch/arm/include/asm/arch-rockchip/cru_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h
@@ -75,6 +75,14 @@ enum {
 	MMC0_DIV_MASK		= 0x3f << MMC0_DIV_SHIFT,
 };
 
+/* CRU_CLKSEL8_CON */
+enum {
+	I2S0_FRAC_DENOM_SHIFT	= 0,
+	I2S0_FRAC_DENOM_MASK	= 0xffff << I2S0_FRAC_DENOM_SHIFT,
+	I2S0_FRAC_NUMER_SHIFT	= 16,
+	I2S0_FRAC_NUMER_MASK	= 0xffffu << I2S0_FRAC_NUMER_SHIFT,
+};
+
 /* CRU_CLKSEL12_CON */
 enum {
 	EMMC_PLL_SHIFT		= 0xe,
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3288.h b/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
index c235607cee..77295446c6 100644
--- a/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3288.h
@@ -561,6 +561,49 @@ enum {
 	GPIO5C0_TS0_SYNC,
 };
 
+/* GRF_GPIO6A_IOMUX */
+enum {
+	GPIO6A7_SHIFT		= 0xe,
+	GPIO6A7_MASK		= 1,
+	GPIO6A7_GPIO		= 0,
+	GPIO6A7_I2S_SDO3,
+
+	GPIO6A6_SHIFT		= 0xc,
+	GPIO6A6_MASK		= 1,
+	GPIO6A6_GPIO		= 0,
+	GPIO6A6_I2S_SDO2,
+
+	GPIO6A5_SHIFT		= 0xa,
+	GPIO6A5_MASK		= 1,
+	GPIO6A5_GPIO		= 0,
+	GPIO6A5_I2S_SDO1,
+
+	GPIO6A4_SHIFT		= 8,
+	GPIO6A4_MASK		= 1,
+	GPIO6A4_GPIO		= 0,
+	GPIO6A4_I2S_SDO0,
+
+	GPIO6A3_SHIFT		= 6,
+	GPIO6A3_MASK		= 1,
+	GPIO6A3_GPIO		= 0,
+	GPIO6A3_I2S_SDI,
+
+	GPIO6A2_SHIFT		= 4,
+	GPIO6A2_MASK		= 1,
+	GPIO6A2_GPIO		= 0,
+	GPIO6A2_I2S_LRCKTX,
+
+	GPIO6A1_SHIFT		= 2,
+	GPIO6A1_MASK		= 1,
+	GPIO6A1_GPIO		= 0,
+	GPIO6A1_I2S_LRCKRX,
+
+	GPIO6A0_SHIFT		= 0,
+	GPIO6A0_MASK		= 1,
+	GPIO6A0_GPIO		= 0,
+	GPIO6A0_I2S_SCLK,
+};
+
 /* GRF_GPIO6B_IOMUX */
 enum {
 	GPIO6B3_SHIFT		= 6,
@@ -1042,6 +1085,59 @@ enum GRF_SOC_CON8 {
 	RK3288_DPHY_TX0_TURNREQUEST_DIS = 0,
 };
 
+/* GRF_IO_VSEL */
+enum {
+	GPIO1830_V18SEL_SHIFT		= 9,
+	GPIO1830_V18SEL_MASK		= 1,
+	GPIO1830_V18SEL_3_3V		= 0,
+	GPIO1830_V18SEL_1_8V,
+
+	GPIO30_V18SEL_SHIFT	= 8,
+	GPIO30_V18SEL_MASK	= 1,
+	GPIO30_V18SEL_3_3V	= 0,
+	GPIO30_V18SEL_1_8V,
+
+	SDCARD_V18SEL_SHIFT	= 7,
+	SDCARD_V18SEL_MASK	= 1,
+	SDCARD_V18SEL_3_3V	= 0,
+	SDCARD_V18SEL_1_8V,
+
+	AUDIO_V18SEL_SHIFT	= 6,
+	AUDIO_V18SEL_MASK	= 1,
+	AUDIO_V18SEL_3_3V	= 0,
+	AUDIO_V18SEL_1_8V,
+
+	BB_V18SEL_SHIFT		= 5,
+	BB_V18SEL_MASK		= 1,
+	BB_V18SEL_3_3V		= 0,
+	BB_V18SEL_1_8V,
+
+	WIFI_V18SEL_SHIFT	= 4,
+	WIFI_V18SEL_MASK	= 1,
+	WIFI_V18SEL_3_3V	= 0,
+	WIFI_V18SEL_1_8V,
+
+	FLASH1_V18SEL_SHIFT	= 3,
+	FLASH1_V18SEL_MASK	= 1,
+	FLASH1_V18SEL_3_3V	= 0,
+	FLASH1_V18SEL_1_8V,
+
+	FLASH0_V18SEL_SHIFT	= 2,
+	FLASH0_V18SEL_MASK	= 1,
+	FLASH0_V18SEL_3_3V	= 0,
+	FLASH0_V18SEL_1_8V,
+
+	DVP_V18SEL_SHIFT	= 1,
+	DVP_V18SEL_MASK		= 1,
+	DVP_V18SEL_3_3V		= 0,
+	DVP_V18SEL_1_8V,
+
+	LCDC_V18SEL_SHIFT	= 0,
+	LCDC_V18SEL_MASK	= 1,
+	LCDC_V18SEL_3_3V	= 0,
+	LCDC_V18SEL_1_8V,
+};
+
 /* GPIO Bias settings */
 enum GPIO_BIAS {
 	GPIO_BIAS_2MA = 0,
diff --git a/arch/arm/include/asm/arch-rockchip/periph.h b/arch/arm/include/asm/arch-rockchip/periph.h
index 514baf6a53..2191b7d43a 100644
--- a/arch/arm/include/asm/arch-rockchip/periph.h
+++ b/arch/arm/include/asm/arch-rockchip/periph.h
@@ -45,6 +45,7 @@ enum periph_id {
 	PERIPH_ID_HDMI,
 	PERIPH_ID_GMAC,
 	PERIPH_ID_SFC,
+	PERIPH_ID_I2S,
 
 	PERIPH_ID_COUNT,