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Subject[PATCH v4 3/5] ARM: dts: sun8i: Add Reduced Serial Bus controller device node to A23/A33 dtsi
Date
This patch adds a device node for the Reduced Serial Bus (RSB)
controller and the defacto pinmux setting to the A23/A33 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>
---

Changes since v3:

- Changed #address-cells to 1

---
arch/arm/boot/dts/sun8i-a23-a33.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index 04bccad977ee..828aaf52c342 100644
--- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
@@ -651,6 +651,13 @@
#size-cells = <0>;
#gpio-cells = <3>;

+ r_rsb_pins: r_rsb {
+ allwinner,pins = "PL0", "PL1";
+ allwinner,function = "s_rsb";
+ allwinner,drive = <SUN4I_PINCTRL_20_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+
r_uart_pins_a: r_uart@0 {
allwinner,pins = "PL2", "PL3";
allwinner,function = "s_uart";
@@ -658,5 +665,19 @@
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
};
+
+ r_rsb: rsb@01f03400 {
+ compatible = "allwinner,sun8i-a23-rsb";
+ reg = <0x01f03400 0x400>;
+ interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&apb0_gates 3>;
+ clock-frequency = <3000000>;
+ resets = <&apb0_rst 3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&r_rsb_pins>;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
};
};
--
2.5.3


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