Unverified Commit ebc42b47 authored by Maxime Ripard's avatar Maxime Ripard
Browse files

ARM: dts: sun8i: a23/a33: Add R_I2C Controller 



The A23 and A33 both have an I2C controller in the ARISC domain, that share
the same pins with the RSB bus.

Even if it's an unusual configuration, that device can be used to drive the
PMIC, so let's use it.

Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
parent 4f6faf78

arch/arm/boot/dts/sun8i-a23-a33.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -781,6 +781,20 @@ 
			status = "disabled";

		};



		r_i2c: i2c@1f02400 {

			compatible = "allwinner,sun8i-a23-i2c",

				     "allwinner,sun6i-a31-i2c";

			reg = <0x01f02400 0x400>;

			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;

			pinctrl-names = "default";

			pinctrl-0 = <&r_i2c_pins>;

			clocks = <&apb0_gates 6>;

			resets = <&apb0_rst 6>;

			status = "disabled";

			#address-cells = <1>;

			#size-cells = <0>;

		};



		r_pio: pinctrl@1f02c00 {

			compatible = "allwinner,sun8i-a23-r-pinctrl";

			reg = <0x01f02c00 0x400>;
@@ -793,6 +807,12 @@ 
			#interrupt-cells = <3>;

			#gpio-cells = <3>;



			r_i2c_pins: r-i2c-pins {

				pins = "PL0", "PL1";

				function = "s_i2c";

				bias-pull-up;

			};



			r_rsb_pins: r-rsb-pins {

				pins = "PL0", "PL1";

				function = "s_rsb";