new file mode 100644
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/thead,th1520-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: T-HEAD TH1520 SoC Reset Controller
+
+description: |
+ The T-HEAD TH1520 reset controller is a hardware block that asserts/deasserts
+ resets for SoC subsystems.
+
+maintainers:
+ - Michal Wilczynski <m.wilczynski@samsung.com>
+
+properties:
+ compatible:
+ enum:
+ - thead,th1520-reset
+
+ reg:
+ maxItems: 1
+
+ "#reset-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ rst: reset-controller@ffef528000 {
+ compatible = "thead,th1520-reset";
+ reg = <0xff 0xef528000 0x0 0x1000>;
+ #reset-cells = <1>;
+ };
+ };
@@ -20194,6 +20194,7 @@ F: Documentation/devicetree/bindings/mailbox/thead,th1520-mbox.yaml
F: Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
F: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml
F: Documentation/devicetree/bindings/power/thead,th1520-power.yaml
+F: Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
F: arch/riscv/boot/dts/thead/
F: drivers/clk/thead/clk-th1520-ap.c
F: drivers/firmware/thead,th1520-aon.c
@@ -20202,6 +20203,7 @@ F: drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c
F: drivers/pinctrl/pinctrl-th1520.c
F: drivers/pmdomain/thead/
F: include/dt-bindings/clock/thead,th1520-clk-ap.h
+F: include/dt-bindings/reset/thead,th1520-reset.h
F: include/linux/firmware/thead/thead,th1520-aon.h
RNBD BLOCK DRIVERS
new file mode 100644
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd.
+ * Author: Michal Wilczynski <m.wilczynski@samsung.com>
+ */
+
+#ifndef _DT_BINDINGS_TH1520_RESET_H
+#define _DT_BINDINGS_TH1520_RESET_H
+
+#define TH1520_RESET_ID_GPU 0
+#define TH1520_RESET_NUM_IDS 1
+
+#endif /* _DT_BINDINGS_TH1520_RESET_H */
Add a YAML schema for the T-HEAD TH1520 SoC reset controller. This controller manages resets for subsystems such as the GPU within the TH1520 SoC. Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com> --- .../bindings/reset/thead,th1520-reset.yaml | 45 +++++++++++++++++++ MAINTAINERS | 2 + .../dt-bindings/reset/thead,th1520-reset.h | 13 ++++++ 3 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml create mode 100644 include/dt-bindings/reset/thead,th1520-reset.h