arm64: allwinner: a64: enable RSB on A64

Allwinner A64 have a RSB controller like the one on A23/A33 SoCs.

Add it and its pinmux.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 93c2d01a1e42fd3b337fbc274261b9ae36100f46..699afc53301a03785720534256c99111862f67c8 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -449,6 +449,25 @@ r_pio: pinctrl@01f02c00 {
                        #gpio-cells = <3>;
                        interrupt-controller;
                        #interrupt-cells = <3>;
+
+                       r_rsb_pins: rsb@0 {
+                               pins = "PL0", "PL1";
+                               function = "s_rsb";
+                       };
+               };
+
+               r_rsb: rsb@1f03400 {
+                       compatible = "allwinner,sun8i-a23-rsb";
+                       reg = <0x01f03400 0x400>;
+                       interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&r_ccu 6>;
+                       clock-frequency = <3000000>;
+                       resets = <&r_ccu 2>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&r_rsb_pins>;
+                       status = "disabled";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
                };
        };
 };