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[RFC,v2,18/19] riscv: dts: thead: Introduce reset controller node

Message ID 20241223125553.3527812-19-m.wilczynski@samsung.com
State New
Headers show
Series Enable drm/imagination BXM-4-64 Support for LicheePi 4A | expand

Commit Message

Michal Wilczynski Dec. 23, 2024, 12:55 p.m. UTC 
T-HEAD TH1520 SoC requires to put the GPU out of the reset state as part
of the power-up sequence.

Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index d4090074fd27..c6fe2ea3197d 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -7,6 +7,7 @@ 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/clock/thead,th1520-clk-ap.h>
 #include <dt-bindings/power/thead,th1520-power.h>
+#include <dt-bindings/reset/thead,th1520-reset.h>
 
 / {
 	compatible = "thead,th1520";
@@ -505,6 +506,12 @@  clk: clock-controller@ffef010000 {
 			#clock-cells = <1>;
 		};
 
+		rst: reset-controller@ffef528000 {
+			compatible = "thead,th1520-reset";
+			reg = <0xff 0xef528000 0x0 0x4f>;
+			#reset-cells = <1>;
+		};
+
 		dmac0: dma-controller@ffefc00000 {
 			compatible = "snps,axi-dma-1.01a";
 			reg = <0xff 0xefc00000 0x0 0x1000>;