diff options
Diffstat (limited to 'arch/arm/boot/dts/r8a7794-alt.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7794-alt.dts | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts index 325d3f972c57..569e3f0e97a5 100644 --- a/arch/arm/boot/dts/r8a7794-alt.dts +++ b/arch/arm/boot/dts/r8a7794-alt.dts @@ -18,6 +18,8 @@ aliases { serial0 = &scif2; + i2c10 = &gpioi2c4; + i2c12 = &i2cexio4; }; chosen { @@ -135,6 +137,29 @@ #clock-cells = <0>; clock-frequency = <148500000>; }; + + gpioi2c4: i2c-10 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + gpios = <&gpio4 9 GPIO_ACTIVE_HIGH /* sda */ + &gpio4 8 GPIO_ACTIVE_HIGH /* scl */ + >; + i2c-gpio,delay-us = <5>; + }; + + /* + * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA). + * A fallback to GPIO is provided. + */ + i2cexio4: i2c-14 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c4>, <&gpioi2c4>; + i2c-bus-name = "i2c-exio4"; + #address-cells = <1>; + #size-cells = <0>; + }; }; &du { @@ -165,8 +190,8 @@ pinctrl-names = "default"; du_pins: du { - groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_dotclkout0"; - function = "du"; + groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_clk0_out"; + function = "du1"; }; scif2_pins: scif2 { @@ -194,6 +219,11 @@ function = "i2c1"; }; + i2c4_pins: i2c4 { + groups = "i2c4"; + function = "i2c4"; + }; + vin0_pins: vin0 { groups = "vin0_data8", "vin0_clk"; function = "vin0"; @@ -277,6 +307,7 @@ cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; sd-uhs-sdr50; + sd-uhs-sdr104; status = "okay"; }; @@ -314,6 +345,11 @@ }; }; +&i2c4 { + pinctrl-0 = <&i2c4_pins>; + pinctrl-names = "i2c-exio4"; +}; + &vin0 { status = "okay"; pinctrl-0 = <&vin0_pins>; |