Commit 25458fdd authored by Biju Das's avatar Biju Das Committed by Geert Uytterhoeven
Browse files

dt-bindings: clock: renesas: Document RZ/G3E SoC CPG



Document the device tree bindings for the Renesas RZ/G3E SoC
Clock Pulse Generator (CPG).

Also define constants for the core clocks of the RZ/G3E SoC.

Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20241203105005.103927-5-biju.das.jz@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 2bf1a3ca
Loading
Loading
Loading
Loading
+9 −6
Original line number Diff line number Diff line
@@ -4,19 +4,22 @@
$id: http://devicetree.org/schemas/clock/renesas,rzv2h-cpg.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas RZ/V2H(P) Clock Pulse Generator (CPG)
title: Renesas RZ/{G3E,V2H(P)} Clock Pulse Generator (CPG)

maintainers:
  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

description:
  On Renesas RZ/V2H(P) SoCs, the CPG (Clock Pulse Generator) handles generation
  and control of clock signals for the IP modules, generation and control of resets,
  and control over booting, low power consumption and power supply domains.
  On Renesas RZ/{G3E,V2H(P)} SoCs, the CPG (Clock Pulse Generator) handles
  generation and control of clock signals for the IP modules, generation and
  control of resets, and control over booting, low power consumption and power
  supply domains.

properties:
  compatible:
    const: renesas,r9a09g057-cpg
    enum:
      - renesas,r9a09g047-cpg # RZ/G3E
      - renesas,r9a09g057-cpg # RZ/V2H

  reg:
    maxItems: 1
@@ -37,7 +40,7 @@ properties:
    description: |
      - For CPG core clocks, the two clock specifier cells must be "CPG_CORE"
        and a core clock reference, as defined in
        <dt-bindings/clock/renesas,r9a09g057-cpg.h>,
        <dt-bindings/clock/renesas,r9a09g0*-cpg.h>,
      - For module clocks, the two clock specifier cells must be "CPG_MOD" and
        a module number.  The module number is calculated as the CLKON register
        offset index multiplied by 16, plus the actual bit in the register
+21 −0
Original line number Diff line number Diff line
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 *
 * Copyright (C) 2024 Renesas Electronics Corp.
 */
#ifndef __DT_BINDINGS_CLOCK_RENESAS_R9A09G047_CPG_H__
#define __DT_BINDINGS_CLOCK_RENESAS_R9A09G047_CPG_H__

#include <dt-bindings/clock/renesas-cpg-mssr.h>

/* Core Clock list */
#define R9A09G047_SYS_0_PCLK			0
#define R9A09G047_CA55_0_CORECLK0		1
#define R9A09G047_CA55_0_CORECLK1		2
#define R9A09G047_CA55_0_CORECLK2		3
#define R9A09G047_CA55_0_CORECLK3		4
#define R9A09G047_CA55_0_PERIPHCLK		5
#define R9A09G047_CM33_CLK0			6
#define R9A09G047_CST_0_SWCLKTCK		7
#define R9A09G047_IOTOP_0_SHCLK			8

#endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G047_CPG_H__ */