diff mbox series

[DO,NOT,MERGE,v6,13/37] dt-bindings: clock: sh7750-cpg: Add renesas,sh7750-cpg header.

Message ID 8dd000fd9040804ec520b76de1b026747e16fc2c.1704788539.git.ysato@users.sourceforge.jp (mailing list archive)
State New, archived
Headers show
Series Device Tree support for SH7751 based board | expand

Commit Message

Yoshinori Sato Jan. 9, 2024, 8:23 a.m. UTC
SH7750 CPG Clock output define.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 .../bindings/clock/renesas,sh7750-cpg.yaml    | 103 ++++++++++++++++++
 include/dt-bindings/clock/sh7750-cpg.h        |  26 +++++
 2 files changed, 129 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/renesas,sh7750-cpg.yaml
 create mode 100644 include/dt-bindings/clock/sh7750-cpg.h

Comments

Geert Uytterhoeven Feb. 27, 2024, 4:47 p.m. UTC | #1
Hi Sato-san,

Thanks for your patch!

On Tue, Jan 9, 2024 at 9:24 AM Yoshinori Sato
<ysato@users.sourceforge.jp> wrote:
> SH7750 CPG Clock output define.

Please improve the patch description.

> Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/renesas,sh7750-cpg.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/renesas,sh7750-cpg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas SH7750/7751 Clock Pulse Generator (CPG)
> +
> +maintainers:
> +  - Yoshinori Sato <ysato@users.sourceforge.jp>
> +
> +description:
> +  The Clock Pulse Generator (CPG) generates core clocks for the SoC.  It
> +  includes PLLs, and variable ratio dividers.
> +
> +  The CPG may also provide a Clock Domain for SoC devices, in combination with
> +  the CPG Module Stop (MSTP) Clocks.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - renesas,sh7750-cpg             # SH7750
> +      - renesas,sh7750s-cpg            # SH775S
> +      - renesas,sh7750r-cpg            # SH7750R
> +      - renesas,sh7751-cpg             # SH7751
> +      - renesas,sh7751r-cpg            # SH7751R
> +
> +  reg: true
> +
> +  reg-names: true
> +
> +  clocks: true

  clocks:
    maxItems: 1

> +
> +  clock-names: true

  clock-names:
      const: extal

> +examples:
> +  - |
> +    #include <dt-bindings/clock/sh7750-cpg.h>
> +    cpg: clock-controller@ffc00000 {
> +        #clock-cells = <1>;
> +        #power-domain-cells = <0>;
> +        compatible = "renesas,sh7751r-cpg";
> +        clocks = <&xtal>;
> +        clock-names = "xtal";

"extal"

"xtal" is an output pin, connected to a crystal resonator.
"extal" is the clock input put (either crystal resonator or exteral
clock input.

> +        reg = <0xffc00000 20>, <0xfe0a0000 16>;
> +        reg-names = "FRQCR", "CLKSTP00";
> +        renesas,mode = <0>;
> +    };
> diff --git a/include/dt-bindings/clock/sh7750-cpg.h b/include/dt-bindings/clock/sh7750-cpg.h
> new file mode 100644
> index 000000000000..17d5a8076aac
> --- /dev/null
> +++ b/include/dt-bindings/clock/sh7750-cpg.h
> @@ -0,0 +1,26 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> + *
> + * Copyright 2023 Yoshinori Sato
> + */
> +
> +#ifndef __DT_BINDINGS_CLOCK_SH7750_H__
> +#define __DT_BINDINGS_CLOCK_SH7750_H__
> +
> +#define SH7750_CPG_PLLOUT      0
> +
> +#define SH7750_CPG_FCK         1

PCK?

> +#define SH7750_CPG_BCK         2
> +#define SH7750_CPG_ICK         3

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/clock/renesas,sh7750-cpg.yaml b/Documentation/devicetree/bindings/clock/renesas,sh7750-cpg.yaml
new file mode 100644
index 000000000000..da0b837c1123
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/renesas,sh7750-cpg.yaml
@@ -0,0 +1,103 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/renesas,sh7750-cpg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas SH7750/7751 Clock Pulse Generator (CPG)
+
+maintainers:
+  - Yoshinori Sato <ysato@users.sourceforge.jp>
+
+description:
+  The Clock Pulse Generator (CPG) generates core clocks for the SoC.  It
+  includes PLLs, and variable ratio dividers.
+
+  The CPG may also provide a Clock Domain for SoC devices, in combination with
+  the CPG Module Stop (MSTP) Clocks.
+
+properties:
+  compatible:
+    enum:
+      - renesas,sh7750-cpg             # SH7750
+      - renesas,sh7750s-cpg            # SH775S
+      - renesas,sh7750r-cpg            # SH7750R
+      - renesas,sh7751-cpg             # SH7751
+      - renesas,sh7751r-cpg            # SH7751R
+
+  reg: true
+
+  reg-names: true
+
+  clocks: true
+
+  clock-names: true
+
+  '#clock-cells':
+    const: 1
+
+  renesas,mode:
+    description: Board-specific settings of the MD[0-2] pins on SoC
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 6
+
+  '#power-domain-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,sh7750-cpg
+              - renesas,sh7750s-cpg
+    then:
+      properties:
+        reg:
+          maxItems: 1
+        reg-names:
+          items:
+            - const: FRQCR
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,sh7750r-cpg
+              - renesas,sh7751-cpg
+              - renesas,sh7751r-cpg
+    then:
+      properties:
+        reg:
+          maxItems: 2
+        reg-names:
+          items:
+            - const: FRQCR
+            - const: CLKSTP00
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/sh7750-cpg.h>
+    cpg: clock-controller@ffc00000 {
+        #clock-cells = <1>;
+        #power-domain-cells = <0>;
+        compatible = "renesas,sh7751r-cpg";
+        clocks = <&xtal>;
+        clock-names = "xtal";
+        reg = <0xffc00000 20>, <0xfe0a0000 16>;
+        reg-names = "FRQCR", "CLKSTP00";
+        renesas,mode = <0>;
+    };
diff --git a/include/dt-bindings/clock/sh7750-cpg.h b/include/dt-bindings/clock/sh7750-cpg.h
new file mode 100644
index 000000000000..17d5a8076aac
--- /dev/null
+++ b/include/dt-bindings/clock/sh7750-cpg.h
@@ -0,0 +1,26 @@ 
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+ *
+ * Copyright 2023 Yoshinori Sato
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_SH7750_H__
+#define __DT_BINDINGS_CLOCK_SH7750_H__
+
+#define SH7750_CPG_PLLOUT	0
+
+#define SH7750_CPG_FCK		1
+#define SH7750_CPG_BCK		2
+#define SH7750_CPG_ICK		3
+
+#define SH7750_MSTP_SCI		4
+#define SH7750_MSTP_RTC		5
+#define SH7750_MSTP_TMU012	6
+#define SH7750_MSTP_SCIF	7
+#define SH7750_MSTP_DMAC	8
+#define SH7750_MSTP_UBC		9
+#define SH7750_MSTP_SQ		10
+#define SH7750_CSTP_INTC	11
+#define SH7750_CSTP_TMU34	12
+#define SH7750_CSTP_PCIC	13
+
+#endif