This patch adds the Device Tree binding for the clock controller
on Canaan k230. The binding defines the new clocks available and
the required properties to configure them correctly.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Xukai Wang <kingxukai@zohomail.com>
---
.../devicetree/bindings/clock/canaan,k230-clk.yaml | 43 ++++++++++++++
include/dt-bindings/clock/canaan,k230-clk.h | 69 ++++++++++++++++++++++
2 files changed, 112 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml b/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..d7220fa30e4699a68fa5279c04abc63c1905fa4a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/canaan,k230-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Canaan Kendryte K230 Clock
+
+maintainers:
+ - Xukai Wang <kingxukai@zohomail.com>
+
+properties:
+ compatible:
+ const: canaan,k230-clk
+
+ reg:
+ items:
+ - description: PLL control registers.
+ - description: Sysclk control registers.
+
+ clocks:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ clock-controller@91102000 {
+ compatible = "canaan,k230-clk";
+ reg = <0x91102000 0x1000>,
+ <0x91100000 0x1000>;
+ clocks = <&osc24m>;
+ #clock-cells = <1>;
+ };
diff --git a/include/dt-bindings/clock/canaan,k230-clk.h b/include/dt-bindings/clock/canaan,k230-clk.h
new file mode 100644
index 0000000000000000000000000000000000000000..41edb13ea04bffaa1ddd1d1af87ae3406b688332
--- /dev/null
+++ b/include/dt-bindings/clock/canaan,k230-clk.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Kendryte Canaan K230 Clock Drivers
+ *
+ * Author: Xukai Wang <kingxukai@zohomail.com>
+ */
+
+#ifndef CLOCK_K230_CLK_H
+#define CLOCK_K230_CLK_H
+
+/* Kendryte K230 SoC clock identifiers (arbitrary values). */
+#define K230_CPU0_SRC 0
+#define K230_CPU0_ACLK 1
+#define K230_CPU0_PLIC 2
+#define K230_CPU0_NOC_DDRCP4 3
+#define K230_CPU0_PCLK 4
+#define K230_PMU_PCLK 5
+#define K230_HS_HCLK_HIGH_SRC 6
+#define K230_HS_HCLK_HIGH_GATE 7
+#define K230_HS_HCLK_SRC 8
+#define K230_HS_SD0_HS_AHB_GAT 9
+#define K230_HS_SD1_HS_AHB_GAT 10
+#define K230_HS_SSI1_HS_AHB_GA 11
+#define K230_HS_SSI2_HS_AHB_GA 12
+#define K230_HS_USB0_HS_AHB_GA 13
+#define K230_HS_USB1_HS_AHB_GA 14
+#define K230_HS_SSI0_AXI15 15
+#define K230_HS_SSI1 16
+#define K230_HS_SSI2 17
+#define K230_HS_QSPI_AXI_SRC 18
+#define K230_HS_SSI1_ACLK_GATE 19
+#define K230_HS_SSI2_ACLK_GATE 20
+#define K230_HS_SD_CARD_SRC 21
+#define K230_HS_SD0_CARD_TX 22
+#define K230_HS_SD1_CARD_TX 23
+#define K230_HS_SD_AXI_SRC 24
+#define K230_HS_SD0_AXI_GATE 25
+#define K230_HS_SD1_AXI_GATE 26
+#define K230_HS_SD0_BASE_GATE 27
+#define K230_HS_SD1_BASE_GATE 28
+#define K230_HS_OSPI_SRC 29
+#define K230_HS_USB_REF_50M 30
+#define K230_HS_SD_TIMER_SRC 31
+#define K230_HS_SD0_TIMER_GATE 32
+#define K230_HS_SD1_TIMER_GATE 33
+#define K230_HS_USB0_REFERENCE 34
+#define K230_HS_USB1_REFERENCE 35
+#define K230_LS_APB_SRC 36
+#define K230_LS_UART0_APB 37
+#define K230_LS_UART1_APB 38
+#define K230_LS_UART2_APB 39
+#define K230_LS_UART3_APB 40
+#define K230_LS_UART4_APB 41
+#define K230_LS_I2C0_APB 42
+#define K230_LS_I2C1_APB 43
+#define K230_LS_I2C2_APB 44
+#define K230_LS_I2C3_APB 45
+#define K230_LS_GPIO_APB 46
+#define K230_LS_PWM_APB 47
+#define K230_LS_UART0 48
+#define K230_LS_UART1 49
+#define K230_LS_UART2 50
+#define K230_LS_UART3 51
+#define K230_LS_UART4 52
+#define K230_SHRM_AXI_SRC 53
+#define K230_SHRM_SDMA_AXI_GATE 54
+#define K230_SHRM_PDMA_AXI_GATE 55
+
+#endif /* CLOCK_K230_CLK_H */
--
2.34.1
On 2025/3/3 20:20, Xukai Wang wrote:
> This patch adds the Device Tree binding for the clock controller
> on Canaan k230. The binding defines the new clocks available and
> the required properties to configure them correctly.
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This patch has been modified,
but it only adds a few necessary UARTs and DMA macros,
so I didn’t remove your `Reviewed-by` tag.
> Signed-off-by: Xukai Wang <kingxukai@zohomail.com>
> ---
> .../devicetree/bindings/clock/canaan,k230-clk.yaml | 43 ++++++++++++++
> include/dt-bindings/clock/canaan,k230-clk.h | 69 ++++++++++++++++++++++
> 2 files changed, 112 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml b/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..d7220fa30e4699a68fa5279c04abc63c1905fa4a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/canaan,k230-clk.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Canaan Kendryte K230 Clock
> +
> +maintainers:
> + - Xukai Wang <kingxukai@zohomail.com>
> +
> +properties:
> + compatible:
> + const: canaan,k230-clk
> +
> + reg:
> + items:
> + - description: PLL control registers.
> + - description: Sysclk control registers.
> +
> + clocks:
> + maxItems: 1
> +
> + '#clock-cells':
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + clock-controller@91102000 {
> + compatible = "canaan,k230-clk";
> + reg = <0x91102000 0x1000>,
> + <0x91100000 0x1000>;
> + clocks = <&osc24m>;
> + #clock-cells = <1>;
> + };
> diff --git a/include/dt-bindings/clock/canaan,k230-clk.h b/include/dt-bindings/clock/canaan,k230-clk.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..41edb13ea04bffaa1ddd1d1af87ae3406b688332
> --- /dev/null
> +++ b/include/dt-bindings/clock/canaan,k230-clk.h
> @@ -0,0 +1,69 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +/*
> + * Kendryte Canaan K230 Clock Drivers
> + *
> + * Author: Xukai Wang <kingxukai@zohomail.com>
> + */
> +
> +#ifndef CLOCK_K230_CLK_H
> +#define CLOCK_K230_CLK_H
> +
> +/* Kendryte K230 SoC clock identifiers (arbitrary values). */
> +#define K230_CPU0_SRC 0
> +#define K230_CPU0_ACLK 1
> +#define K230_CPU0_PLIC 2
> +#define K230_CPU0_NOC_DDRCP4 3
> +#define K230_CPU0_PCLK 4
> +#define K230_PMU_PCLK 5
> +#define K230_HS_HCLK_HIGH_SRC 6
> +#define K230_HS_HCLK_HIGH_GATE 7
> +#define K230_HS_HCLK_SRC 8
> +#define K230_HS_SD0_HS_AHB_GAT 9
> +#define K230_HS_SD1_HS_AHB_GAT 10
> +#define K230_HS_SSI1_HS_AHB_GA 11
> +#define K230_HS_SSI2_HS_AHB_GA 12
> +#define K230_HS_USB0_HS_AHB_GA 13
> +#define K230_HS_USB1_HS_AHB_GA 14
> +#define K230_HS_SSI0_AXI15 15
> +#define K230_HS_SSI1 16
> +#define K230_HS_SSI2 17
> +#define K230_HS_QSPI_AXI_SRC 18
> +#define K230_HS_SSI1_ACLK_GATE 19
> +#define K230_HS_SSI2_ACLK_GATE 20
> +#define K230_HS_SD_CARD_SRC 21
> +#define K230_HS_SD0_CARD_TX 22
> +#define K230_HS_SD1_CARD_TX 23
> +#define K230_HS_SD_AXI_SRC 24
> +#define K230_HS_SD0_AXI_GATE 25
> +#define K230_HS_SD1_AXI_GATE 26
> +#define K230_HS_SD0_BASE_GATE 27
> +#define K230_HS_SD1_BASE_GATE 28
> +#define K230_HS_OSPI_SRC 29
> +#define K230_HS_USB_REF_50M 30
> +#define K230_HS_SD_TIMER_SRC 31
> +#define K230_HS_SD0_TIMER_GATE 32
> +#define K230_HS_SD1_TIMER_GATE 33
> +#define K230_HS_USB0_REFERENCE 34
> +#define K230_HS_USB1_REFERENCE 35
> +#define K230_LS_APB_SRC 36
> +#define K230_LS_UART0_APB 37
> +#define K230_LS_UART1_APB 38
> +#define K230_LS_UART2_APB 39
> +#define K230_LS_UART3_APB 40
> +#define K230_LS_UART4_APB 41
> +#define K230_LS_I2C0_APB 42
> +#define K230_LS_I2C1_APB 43
> +#define K230_LS_I2C2_APB 44
> +#define K230_LS_I2C3_APB 45
> +#define K230_LS_GPIO_APB 46
> +#define K230_LS_PWM_APB 47
> +#define K230_LS_UART0 48
> +#define K230_LS_UART1 49
> +#define K230_LS_UART2 50
> +#define K230_LS_UART3 51
> +#define K230_LS_UART4 52
> +#define K230_SHRM_AXI_SRC 53
> +#define K230_SHRM_SDMA_AXI_GATE 54
> +#define K230_SHRM_PDMA_AXI_GATE 55
> +
> +#endif /* CLOCK_K230_CLK_H */
>
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