diff options
Diffstat (limited to 'arch/arm/boot/dts/r8a7794-alt.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7794-alt.dts | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts index 60c6515c4996..26a883484ea8 100644 --- a/arch/arm/boot/dts/r8a7794-alt.dts +++ b/arch/arm/boot/dts/r8a7794-alt.dts @@ -18,7 +18,9 @@ aliases { serial0 = &scif2; + i2c9 = &gpioi2c1; i2c10 = &gpioi2c4; + i2c11 = &i2chdmi; i2c12 = &i2cexio4; }; @@ -138,17 +140,50 @@ clock-frequency = <148500000>; }; + gpioi2c1: i2c-9 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + }; + gpioi2c4: i2c-10 { #address-cells = <1>; #size-cells = <0>; compatible = "i2c-gpio"; status = "disabled"; - sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; i2c-gpio,delay-us = <5>; }; /* + * A fallback to GPIO is provided for I2C1. + */ + i2chdmi: i2c-11 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c1>, <&gpioi2c1>; + i2c-bus-name = "i2c-hdmi"; + #address-cells = <1>; + #size-cells = <0>; + + composite-in@20 { + compatible = "adi,adv7180"; + reg = <0x20>; + remote = <&vin0>; + + port { + adv7180: endpoint { + bus-width = <8>; + remote-endpoint = <&vin0ep>; + }; + }; + }; + }; + + /* * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA). * A fallback to GPIO is provided. */ @@ -324,23 +359,9 @@ &i2c1 { pinctrl-0 = <&i2c1_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-hdmi"; - status = "okay"; clock-frequency = <400000>; - - composite-in@20 { - compatible = "adi,adv7180"; - reg = <0x20>; - remote = <&vin0>; - - port { - adv7180: endpoint { - bus-width = <8>; - remote-endpoint = <&vin0ep>; - }; - }; - }; }; &i2c4 { |
