diff mbox series

[v4,03/42] dt-bindings: clock: Add Cirrus EP93xx

Message ID 20230915-ep93xx-v4-3-a1d779dcec10@maquefel.me
State New
Headers
Series ep93xx device tree conversion |

Commit Message

Nikita Shubin via B4 Relay Sept. 15, 2023, 8:10 a.m. UTC 
  From: Nikita Shubin <nikita.shubin@maquefel.me>

Add device tree bindings for the Cirrus Logic EP93xx clock block
used in these SoCs.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
 .../bindings/clock/cirrus,ep9301-clk.yaml          | 46 ++++++++++++++++++++++
 include/dt-bindings/clock/cirrus,ep9301-clk.h      | 41 +++++++++++++++++++
 2 files changed, 87 insertions(+)

Comments

Krzysztof Kozlowski Sept. 15, 2023, 10:36 a.m. UTC | #1 
On 15/09/2023 10:10, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@maquefel.me>
> 

Thank you for your patch. There is something to discuss/improve.


> diff --git a/include/dt-bindings/clock/cirrus,ep9301-clk.h b/include/dt-bindings/clock/cirrus,ep9301-clk.h
> new file mode 100644
> index 000000000000..3cd053c0fdea
> --- /dev/null
> +++ b/include/dt-bindings/clock/cirrus,ep9301-clk.h
> @@ -0,0 +1,41 @@
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
> +#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
> +#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
> +
> +#define EP93XX_CLK_UART1	0
> +#define EP93XX_CLK_UART2	1
> +#define EP93XX_CLK_UART3	2
> +
> +#define EP93XX_CLK_ADC		3
> +#define EP93XX_CLK_ADC_EN	4
> +
> +#define EP93XX_CLK_KEYPAD   5

Wrong indentation - use tab instead of spaces, just like in other places.

> +
> +#define EP93XX_CLK_VIDEO	6
> +
> +#define EP93XX_CLK_I2S_MCLK	7
> +#define EP93XX_CLK_I2S_SCLK	8
> +#define EP93XX_CLK_I2S_LRCLK	9
> +
> +#define EP93XX_CLK_UART		10
> +#define EP93XX_CLK_SPI		11
> +#define EP93XX_CLK_PWM		12
> +#define EP93XX_CLK_USB		13
> +
> +#define EP93XX_CLK_M2M0		14
> +#define EP93XX_CLK_M2M1		15
> +
> +#define EP93XX_CLK_M2P0		16
> +#define EP93XX_CLK_M2P1		17
> +#define EP93XX_CLK_M2P2		18
> +#define EP93XX_CLK_M2P3		19
> +#define EP93XX_CLK_M2P4		20
> +#define EP93XX_CLK_M2P5		21
> +#define EP93XX_CLK_M2P6		22
> +#define EP93XX_CLK_M2P7		23
> +#define EP93XX_CLK_M2P8		24
> +#define EP93XX_CLK_M2P9		25
> +
> +#define EP93XX_CLK_END      26

Here as well... except I propose to drop it. Number of clocks should not
be part of bindings, because then you cannot grow it.

With indentation fixed and CLK_END dropped:


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/clock/cirrus,ep9301-clk.yaml b/Documentation/devicetree/bindings/clock/cirrus,ep9301-clk.yaml
new file mode 100644
index 000000000000..111e016601fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/cirrus,ep9301-clk.yaml
@@ -0,0 +1,46 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/cirrus,ep9301-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic ep93xx SoC's clock controller
+
+maintainers:
+  - Nikita Shubin <nikita.shubin@maquefel.me>
+  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-clk
+      - items:
+          - enum:
+              - cirrus,ep9302-clk
+              - cirrus,ep9307-clk
+              - cirrus,ep9312-clk
+              - cirrus,ep9315-clk
+          - const: cirrus,ep9301-clk
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    items:
+      - description: reference clock
+
+required:
+  - compatible
+  - "#clock-cells"
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller {
+      compatible = "cirrus,ep9301-clk";
+      #clock-cells = <1>;
+      clocks = <&xtali>;
+    };
+...
diff --git a/include/dt-bindings/clock/cirrus,ep9301-clk.h b/include/dt-bindings/clock/cirrus,ep9301-clk.h
new file mode 100644
index 000000000000..3cd053c0fdea
--- /dev/null
+++ b/include/dt-bindings/clock/cirrus,ep9301-clk.h
@@ -0,0 +1,41 @@ 
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
+
+#define EP93XX_CLK_UART1	0
+#define EP93XX_CLK_UART2	1
+#define EP93XX_CLK_UART3	2
+
+#define EP93XX_CLK_ADC		3
+#define EP93XX_CLK_ADC_EN	4
+
+#define EP93XX_CLK_KEYPAD   5
+
+#define EP93XX_CLK_VIDEO	6
+
+#define EP93XX_CLK_I2S_MCLK	7
+#define EP93XX_CLK_I2S_SCLK	8
+#define EP93XX_CLK_I2S_LRCLK	9
+
+#define EP93XX_CLK_UART		10
+#define EP93XX_CLK_SPI		11
+#define EP93XX_CLK_PWM		12
+#define EP93XX_CLK_USB		13
+
+#define EP93XX_CLK_M2M0		14
+#define EP93XX_CLK_M2M1		15
+
+#define EP93XX_CLK_M2P0		16
+#define EP93XX_CLK_M2P1		17
+#define EP93XX_CLK_M2P2		18
+#define EP93XX_CLK_M2P3		19
+#define EP93XX_CLK_M2P4		20
+#define EP93XX_CLK_M2P5		21
+#define EP93XX_CLK_M2P6		22
+#define EP93XX_CLK_M2P7		23
+#define EP93XX_CLK_M2P8		24
+#define EP93XX_CLK_M2P9		25
+
+#define EP93XX_CLK_END      26
+
+#endif /* DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H */