Add reset controller support for Bitmain BM1880 SoC. This commit also
adds reset support to UART peripherals.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/bitmain/bm1880.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi
index fdfdc65d29ef..3ab039029bf2 100644
--- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi
+++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi
@@ -5,6 +5,7 @@
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/bitmain,bm1880-reset.h>
/ {
compatible = "bitmain,bm1880";
@@ -92,6 +93,12 @@
compatible = "bitmain,bm1880-pinctrl";
reg = <0x50 0x4B0>;
};
+
+ rst: reset-controller@c00 {
+ compatible = "bitmain,bm1880-reset";
+ reg = <0xc00 0x8>;
+ #reset-cells = <1>;
+ };
};
uart0: serial@58018000 {
@@ -100,6 +107,7 @@
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
+ resets = <&rst BM1880_RST_UART0_1_CLK>;
status = "disabled";
};
@@ -109,6 +117,7 @@
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
+ resets = <&rst BM1880_RST_UART0_1_ACLK>;
status = "disabled";
};
@@ -118,6 +127,7 @@
interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
+ resets = <&rst BM1880_RST_UART2_3_CLK>;
status = "disabled";
};
@@ -127,6 +137,7 @@
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
+ resets = <&rst BM1880_RST_UART2_3_ACLK>;
status = "disabled";
};
};
--
2.17.1
