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ARM: dts: sun9i: Add Reduced Serial Bus controller device node to A80 dtsi 

This patch adds a device node for the Reduced Serial Bus (RSB)
controller and the defacto pinmux setting to the A80 dtsi.

Since there is only one possible pinmux setting for RSB, just
set it in the dtsi.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2015-12-01 13:47:24 +08:00 committed by Maxime Ripard
parent 969c968741
commit ed473ebd9c
1 changed files with 21 additions and 0 deletions
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21
arch/arm/boot/dts/sun9i-a80.dtsi
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@ -900,6 +900,27 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
r_rsb_pins: r_rsb {
allwinner,pins = "PN0", "PN1";
allwinner,function = "s_rsb";
allwinner,drive = <SUN4I_PINCTRL_20_MA>;
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
};
r_rsb: i2c@08003400 {
compatible = "allwinner,sun8i-a23-rsb";
reg = <0x08003400 0x400>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&apbs_gates 3>;
clock-frequency = <3000000>;
resets = <&apbs_rst 3>;
pinctrl-names = "default";
pinctrl-0 = <&r_rsb_pins>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
};
};