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Message-Id: <20241224092310.3814460-1-kever.yang@rock-chips.com>
Date: Tue, 24 Dec 2024 17:23:08 +0800
From: Kever Yang <kever.yang@...k-chips.com>
To: heiko@...ech.de
Cc: linux-rockchip@...ts.infradead.org,
Kever Yang <kever.yang@...k-chips.com>,
devicetree@...r.kernel.org,
Conor Dooley <conor+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Rob Herring <robh@...nel.org>,
Stephen Boyd <sboyd@...nel.org>,
linux-kernel@...r.kernel.org,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Elaine Zhang <zhangqing@...k-chips.com>,
linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 1/3] dt-bindings: clock: add rk3562 cru bindings
Document the device tree bindings of the rockchip rk3562 SoC
clock and reset unit.
Signed-off-by: Kever Yang <kever.yang@...k-chips.com>
---
Changes in v2:
- remove rockchip,grf info
.../bindings/clock/rockchip,rk3562-cru.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3562-cru.yaml
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3562-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3562-cru.yaml
new file mode 100644
index 000000000000..36a353f5c42a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3562-cru.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/rockchip,rk3562-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip rk3562 Clock and Reset Control Module
+
+maintainers:
+ - Elaine Zhang <zhangqing@...k-chips.com>
+ - Heiko Stuebner <heiko@...ech.de>
+
+description:
+ The RK3562 clock controller generates the clock and also implements a reset
+ controller for SoC peripherals. For example it provides SCLK_UART2 and
+ PCLK_UART2, as well as SRST_P_UART2 and SRST_S_UART2 for the second UART
+ module.
+
+properties:
+ compatible:
+ const: rockchip,rk3562-cru
+
+ reg:
+ maxItems: 1
+
+ "#clock-cells":
+ const: 1
+
+ "#reset-cells":
+ const: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: xin24m
+ - const: xin32k
+
+required:
+ - compatible
+ - reg
+ - "#clock-cells"
+ - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ clock-controller@...00000 {
+ compatible = "rockchip,rk3562-cru";
+ reg = <0xff100000 0x40000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
--
2.25.1
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