The R40 has an RTC hardware block, which has additional registers
that are not related to RTC or clock functions, and is otherwise
compatible with the H3's RTC.
Add a device node for it, and fix up any references to the LOSC.
Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
Tested-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
arch/arm/boot/dts/sun8i-r40.dtsi | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index a8917f8b1c80..89762dbefe42 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -70,7 +70,7 @@
compatible = "fixed-clock";
clock-frequency = <32768>;
clock-accuracy = <20000>;
- clock-output-names = "osc32k";
+ clock-output-names = "ext-osc32k";
};
};
@@ -315,17 +315,27 @@
ccu: clock@1c20000 {
compatible = "allwinner,sun8i-r40-ccu";
reg = <0x01c20000 0x400>;
- clocks = <&osc24M>, <&osc32k>;
+ clocks = <&osc24M>, <&rtc 0>;
clock-names = "hosc", "losc";
#clock-cells = <1>;
#reset-cells = <1>;
};
+ rtc: rtc@1c20400 {
+ compatible = "allwinner,sun8i-r40-rtc",
+ "allwinner,sun8i-h3-rtc";
+ reg = <0x01c20400 0x400>;
+ interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+ clock-output-names = "osc32k", "osc32k-out";
+ clocks = <&osc32k>;
+ #clock-cells = <1>;
+ };
+
pio: pinctrl@1c20800 {
compatible = "allwinner,sun8i-r40-pinctrl";
reg = <0x01c20800 0x400>;
interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>;
+ clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&rtc 0>;
clock-names = "apb", "hosc", "losc";
gpio-controller;
interrupt-controller;
--
2.20.0.rc1
