linux-hardening - [PATCH 09/25] dt-bindings: clock: Add RDA Micro RDA8810PL clock/reset controller

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Message-Id: <20250917-rda8810pl-drivers-v1-9-9ca9184ca977@mainlining.org>
Date: Wed, 17 Sep 2025 03:25:06 +0700
From: Dang Huynh via B4 Relay <devnull+dang.huynh.mainlining.org@...nel.org>
To: Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
 Sebastian Reichel <sre@...nel.org>, Vinod Koul <vkoul@...nel.org>, 
 Kees Cook <kees@...nel.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, 
 Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-unisoc@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, linux-rtc@...r.kernel.org, 
 linux-clk@...r.kernel.org, linux-pm@...r.kernel.org, 
 dmaengine@...r.kernel.org, linux-hardening@...r.kernel.org, 
 linux-mmc@...r.kernel.org, Dang Huynh <dang.huynh@...nlining.org>
Subject: [PATCH 09/25] dt-bindings: clock: Add RDA Micro RDA8810PL
 clock/reset controller

From: Dang Huynh <dang.huynh@...nlining.org>

Add documentation describing the RDA8810PL Clock and Reset
controller.

Signed-off-by: Dang Huynh <dang.huynh@...nlining.org>
---
 .../bindings/clock/rda,8810pl-apsyscon.yaml        | 44 ++++++++++++
 include/dt-bindings/clock/rda,8810pl-apclk.h       | 79 ++++++++++++++++++++++
 2 files changed, 123 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/rda,8810pl-apsyscon.yaml b/Documentation/devicetree/bindings/clock/rda,8810pl-apsyscon.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..988b609403a96abc4964ab366daa6fec0514595c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rda,8810pl-apsyscon.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/rda,8810pl-apsyscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RDA Micro RDA8810PL AP Clock Controller
+
+maintainers:
+  - Dang Huynh <dang.huynh@...nlining.org>
+
+properties:
+  compatible:
+    items:
+      - const: rda,8810pl-apsyscon
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rda,8810pl-apclk.h>
+
+    ap_syscon: syscon@0 {
+      compatible = "rda,8810pl-apsyscon", "syscon";
+      reg = <0x0 0x1000>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+    };
diff --git a/include/dt-bindings/clock/rda,8810pl-apclk.h b/include/dt-bindings/clock/rda,8810pl-apclk.h
new file mode 100644
index 0000000000000000000000000000000000000000..372358e72436a28c0775519f49626c9c5f4c6046
--- /dev/null
+++ b/include/dt-bindings/clock/rda,8810pl-apclk.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+#ifndef _DT_BINDINGS_CLK_RDA8810_H_
+#define _DT_BINDINGS_CLK_RDA8810_H_
+
+/* soc clocks */
+#define CLK_CPU 0
+#define CLK_BUS 1
+#define CLK_MEM 2
+
+#define CLK_USB 3
+#define CLK_AXI 4
+#define CLK_GCG 5
+#define CLK_AHB1 6
+#define CLK_APB1 7
+#define CLK_APB2 8
+
+#define CLK_GPU 9
+#define CLK_VPU 10
+#define CLK_VOC 11
+#define CLK_SFLSH 12
+
+#define CLK_UART1 13
+#define CLK_UART2 14
+#define CLK_UART3 15
+
+#define CLK_VOC2 16
+#define CLK_EMMC 17
+
+#define CLK_COUNT (CLK_EMMC + 1)
+
+/* resets */
+#define RST_CPU 0
+
+#define RST_AXI_VOC 1
+#define RST_AXI_DMA 2
+#define RST_AXI_CONNECT 3
+#define RST_AXI_VPU 4
+
+#define RST_GCG_GOUDA 5
+#define RST_GCG_CAMERA 6
+#define RST_GCG_LCDC 7
+
+#define RST_AHB1_USBC 8
+#define RST_AHB1_SPIFLASH 9
+
+#define RST_APB1_TIMER 10
+#define RST_APB1_KEYPAD 11
+#define RST_APB1_GPIO 12
+#define RST_APB1_PWM 13
+#define RST_APB1_AIF 14
+#define RST_APB1_AUIFC 15
+#define RST_APB1_I2C1 16
+#define RST_APB1_I2C2 17
+#define RST_APB1_I2C3 18
+#define RST_APB1_COMREGS 19
+#define RST_APB1_DMC 20
+#define RST_APB1_DDRPHY_P 21
+
+#define RST_APB2_IFC 22
+#define RST_APB2_UART1 23
+#define RST_APB2_UART2 24
+#define RST_APB2_UART3 25
+#define RST_APB2_SPI1 26
+#define RST_APB2_SPI2 27
+#define RST_APB2_SPI3 28
+#define RST_APB2_SDMMC1 29
+#define RST_APB2_SDMMC2 30
+#define RST_APB2_SDMMC3 31
+#define RST_APB2_NAND 32
+
+#define RST_MEM_GPU 33
+#define RST_MEM_VPU 34
+#define RST_MEM_DMC 35
+#define RST_MEM_DDRPHY_P 36
+
+#define RST_COUNT (RST_MEM_DDRPHY_P + 1)
+
+#endif /* _DT_BINDINGS_CLK_RDA8810_H_ */

-- 
2.51.0