[PATCH v5 03/10] dt-bindings: clock: Add StarFive JH7110 Image-Signal-Process clock and reset generator

Xingyu Wu
2023-04-24T13:55:21Z

Add bindings for the Image-Signal-Process clock and reset
generator (ISPCRG) on the JH7110 RISC-V SoC by StarFive Ltd.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
---
.../clock/starfive,jh7110-ispcrg.yaml | 87 +++++++++++++++++++
.../dt-bindings/clock/starfive,jh7110-crg.h | 18 ++++
.../dt-bindings/reset/starfive,jh7110-crg.h | 16 ++++
3 files changed, 121 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml

diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml
new file mode 100644
index 000000000000..3b8b85be5cd0
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh7110-ispcrg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Image-Signal-Process Clock and Reset Generator
+
+maintainers:
+ - Xingyu Wu <xingyu.wu@starfivetech.com>
+
+properties:
+ compatible:
+ const: starfive,jh7110-ispcrg
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: ISP Top core
+ - description: ISP Top Axi
+ - description: NOC ISP Bus
+ - description: external DVP
+
+ clock-names:
+ items:
+ - const: isp_top_core
+ - const: isp_top_axi
+ - const: noc_bus_isp_axi
+ - const: dvp_clk
+
+ resets:
+ items:
+ - description: ISP Top core
+ - description: ISP Top Axi
+ - description: NOC ISP Bus
+
+ '#clock-cells':
+ const: 1
+ description:
+ See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices.
+
+ '#reset-cells':
+ const: 1
+ description:
+ See <dt-bindings/reset/starfive,jh7110-crg.h> for valid indices.
+
+ power-domains:
+ maxItems: 1
+ description:
+ ISP domain power
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - resets
+ - '#clock-cells'
+ - '#reset-cells'
+ - power-domains
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/starfive,jh7110-crg.h>
+ #include <dt-bindings/power/starfive,jh7110-pmu.h>
+ #include <dt-bindings/reset/starfive,jh7110-crg.h>
+
+ ispcrg: clock-controller@19810000 {
+ compatible = "starfive,jh7110-ispcrg";
+ reg = <0x19810000 0x10000>;
+ clocks = <&syscrg JH7110_SYSCLK_ISP_TOP_CORE>,
+ <&syscrg JH7110_SYSCLK_ISP_TOP_AXI>,
+ <&syscrg JH7110_SYSCLK_NOC_BUS_ISP_AXI>,
+ <&dvp_clk>;
+ clock-names = "isp_top_core", "isp_top_axi",
+ "noc_bus_isp_axi", "dvp_clk";
+ resets = <&syscrg JH7110_SYSRST_ISP_TOP>,
+ <&syscrg JH7110_SYSRST_ISP_TOP_AXI>,
+ <&syscrg JH7110_SYSRST_NOC_BUS_ISP_AXI>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ power-domains = <&pwrc JH7110_PD_ISP>;
+ };
diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h
index 6c8e8b4cf1f6..39acf30db491 100644
--- a/include/dt-bindings/clock/starfive,jh7110-crg.h
+++ b/include/dt-bindings/clock/starfive,jh7110-crg.h
@@ -252,4 +252,22 @@

#define JH7110_STGCLK_END 29

+/* ISPCRG clocks */
+#define JH7110_ISPCLK_DOM4_APB_FUNC 0
+#define JH7110_ISPCLK_MIPI_RX0_PXL 1
+#define JH7110_ISPCLK_DVP_INV 2
+#define JH7110_ISPCLK_M31DPHY_CFG_IN 3
+#define JH7110_ISPCLK_M31DPHY_REF_IN 4
+#define JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0 5
+#define JH7110_ISPCLK_VIN_APB 6
+#define JH7110_ISPCLK_VIN_SYS 7
+#define JH7110_ISPCLK_VIN_PIXEL_IF0 8
+#define JH7110_ISPCLK_VIN_PIXEL_IF1 9
+#define JH7110_ISPCLK_VIN_PIXEL_IF2 10
+#define JH7110_ISPCLK_VIN_PIXEL_IF3 11
+#define JH7110_ISPCLK_VIN_P_AXI_WR 12
+#define JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C 13
+
+#define JH7110_ISPCLK_END 14
+
#endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */
diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h
index 4e96ab81dd8e..2c5d9dcefffa 100644
--- a/include/dt-bindings/reset/starfive,jh7110-crg.h
+++ b/include/dt-bindings/reset/starfive,jh7110-crg.h
@@ -179,4 +179,20 @@

#define JH7110_STGRST_END 23

+/* ISPCRG resets */
+#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_P 0
+#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_C 1
+#define JH7110_ISPRST_M31DPHY_HW 2
+#define JH7110_ISPRST_M31DPHY_B09_AON 3
+#define JH7110_ISPRST_VIN_APB 4
+#define JH7110_ISPRST_VIN_PIXEL_IF0 5
+#define JH7110_ISPRST_VIN_PIXEL_IF1 6
+#define JH7110_ISPRST_VIN_PIXEL_IF2 7
+#define JH7110_ISPRST_VIN_PIXEL_IF3 8
+#define JH7110_ISPRST_VIN_SYS 9
+#define JH7110_ISPRST_VIN_P_AXI_RD 10
+#define JH7110_ISPRST_VIN_P_AXI_WR 11
+
+#define JH7110_ISPRST_END 12
+
#endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */