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authorPhilipp Tomsich2018-03-12 14:56:42 +0100
committerPhilipp Tomsich2018-03-28 23:30:30 +0200
commit41837e8a6b1b049b387ff08a2e5ed0b6acec0eb4 (patch)
treec76d7695f4935b9a77467a8adf42ddb142fb975d /drivers/pinctrl/rockchip
parent339267a08df9a87ce2849d5cb3c0dcbc4c00e5e6 (diff)
rockchip: pinctrl: rk3399: add support for I2C[123467]
This adds support for the (to date unsupported) I2C controllers 1~4 and 6~7 (i.e. now all controllers except I2C5, which is not accessible on the RK3399-Q7, are supported by pinctrl). Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com> Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'drivers/pinctrl/rockchip')
-rw-r--r--drivers/pinctrl/rockchip/pinctrl_rk3399.c61
1 files changed, 55 insertions, 6 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3399.c b/drivers/pinctrl/rockchip/pinctrl_rk3399.c
index 19a74155220..c7052257aa4 100644
--- a/drivers/pinctrl/rockchip/pinctrl_rk3399.c
+++ b/drivers/pinctrl/rockchip/pinctrl_rk3399.c
@@ -70,6 +70,60 @@ static void pinctrl_rk3399_i2c_config(struct rk3399_grf_regs *grf,
PMUGRF_GPIO1C0_SEL_MASK,
PMUGRF_I2C0PMU_SCL << PMUGRF_GPIO1C0_SEL_SHIFT);
break;
+
+ case PERIPH_ID_I2C1:
+ rk_clrsetreg(&grf->gpio4a_iomux,
+ GRF_GPIO4A1_SEL_MASK,
+ GRF_I2C1_SDA << GRF_GPIO4A1_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio4a_iomux,
+ GRF_GPIO4A2_SEL_MASK,
+ GRF_I2C1_SCL << GRF_GPIO4A2_SEL_SHIFT);
+ break;
+
+ case PERIPH_ID_I2C2:
+ rk_clrsetreg(&grf->gpio2a_iomux,
+ GRF_GPIO2A0_SEL_MASK,
+ GRF_I2C2_SDA << GRF_GPIO2A0_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio2a_iomux,
+ GRF_GPIO2A1_SEL_MASK,
+ GRF_I2C2_SCL << GRF_GPIO2A1_SEL_SHIFT);
+ break;
+ case PERIPH_ID_I2C3:
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C0_SEL_MASK,
+ GRF_HDMII2C_SCL << GRF_GPIO4C0_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C1_SEL_MASK,
+ GRF_HDMII2C_SDA << GRF_GPIO4C1_SEL_SHIFT);
+ break;
+
+ case PERIPH_ID_I2C4:
+ rk_clrsetreg(&pmugrf->gpio1b_iomux,
+ PMUGRF_GPIO1B3_SEL_MASK,
+ PMUGRF_I2C4_SDA << PMUGRF_GPIO1B3_SEL_SHIFT);
+ rk_clrsetreg(&pmugrf->gpio1b_iomux,
+ PMUGRF_GPIO1B4_SEL_MASK,
+ PMUGRF_I2C4_SCL << PMUGRF_GPIO1B4_SEL_SHIFT);
+ break;
+
+ case PERIPH_ID_I2C7:
+ rk_clrsetreg(&grf->gpio2a_iomux,
+ GRF_GPIO2A7_SEL_MASK,
+ GRF_I2C7_SDA << GRF_GPIO2A7_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio2b_iomux,
+ GRF_GPIO2B0_SEL_MASK,
+ GRF_I2C7_SCL << GRF_GPIO2B0_SEL_SHIFT);
+ break;
+
+ case PERIPH_ID_I2C6:
+ rk_clrsetreg(&grf->gpio2b_iomux,
+ GRF_GPIO2B1_SEL_MASK,
+ GRF_I2C6_SDA << GRF_GPIO2B1_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio2b_iomux,
+ GRF_GPIO2B2_SEL_MASK,
+ GRF_I2C6_SDA << GRF_GPIO2B2_SEL_SHIFT);
+ break;
+
case PERIPH_ID_I2C8:
rk_clrsetreg(&pmugrf->gpio1c_iomux,
PMUGRF_GPIO1C4_SEL_MASK,
@@ -78,13 +132,8 @@ static void pinctrl_rk3399_i2c_config(struct rk3399_grf_regs *grf,
PMUGRF_GPIO1C5_SEL_MASK,
PMUGRF_I2C8PMU_SCL << PMUGRF_GPIO1C5_SEL_SHIFT);
break;
- case PERIPH_ID_I2C1:
- case PERIPH_ID_I2C2:
- case PERIPH_ID_I2C3:
- case PERIPH_ID_I2C4:
+
case PERIPH_ID_I2C5:
- case PERIPH_ID_I2C6:
- case PERIPH_ID_I2C7:
default:
debug("i2c id = %d iomux error!\n", i2c_id);
break;