Nuvoton Arbel BMC NPCM7XX contains an integrated clock controller, which generates and supplies clocks to all modules within the BMC. Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx> --- .../bindings/clock/nuvoton,npcm845-clk.yaml | 68 +++++++++++++++++++ .../dt-bindings/clock/nuvoton,npcm8xx-clock.h | 50 ++++++++++++++ 2 files changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml create mode 100644 include/dt-bindings/clock/nuvoton,npcm8xx-clock.h diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml new file mode 100644 index 000000000000..f305c7c7eaf0 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/nuvoton,npcm845-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM8XX Clock Controller Binding + +maintainers: + - Tomer Maimon <tmaimon77@xxxxxxxxx> + +description: | + Nuvoton Arbel BMC NPCM8XX contains an integrated clock controller, which + generates and supplies clocks to all modules within the BMC. + +properties: + compatible: + enum: + - nuvoton,npcm845-clk + + reg: + maxItems: 1 + + clocks: + description: + specify the external clocks used by the NPCM8XX clock module. + items: + - description: 25M reference clock + - description: CPU reference clock + - description: MC reference clock + + clock-names: + description: + specify the external clocks names used by the NPCM8XX clock module. + items: + - const: refclk + - const: sysbypck + - const: mcbypck + + '#clock-cells': + const: 1 + description: + See include/dt-bindings/clock/nuvoton,npcm8xx-clock.h for the full + list of NPCM8XX clock IDs. + +required: + - compatible + - reg + - "#clock-cells" + +additionalProperties: false + +examples: + # Clock Control Module node: + - | + + ahb { + #address-cells = <2>; + #size-cells = <2>; + + clk: clock-controller@f0801000 { + compatible = "nuvoton,npcm845-clk"; + reg = <0x0 0xf0801000 0x0 0x1000>; + #clock-cells = <1>; + }; + }; + +... diff --git a/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h b/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h new file mode 100644 index 000000000000..d76f606bf88b --- /dev/null +++ b/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Nuvoton NPCM8xx Clock Generator binding + * clock binding number for all clocks supportted by nuvoton,npcm8xx-clk + * + * Copyright (C) 2021 Nuvoton Technologies tomer.maimon@xxxxxxxxxxx + * + */ + +#ifndef __DT_BINDINGS_CLOCK_NPCM8XX_H +#define __DT_BINDINGS_CLOCK_NPCM8XX_H + +#define NPCM8XX_CLK_CPU 0 +#define NPCM8XX_CLK_GFX_PIXEL 1 +#define NPCM8XX_CLK_MC 2 +#define NPCM8XX_CLK_ADC 3 +#define NPCM8XX_CLK_AHB 4 +#define NPCM8XX_CLK_TIMER 5 +#define NPCM8XX_CLK_UART 6 +#define NPCM8XX_CLK_UART2 7 +#define NPCM8XX_CLK_MMC 8 +#define NPCM8XX_CLK_SPI3 9 +#define NPCM8XX_CLK_PCI 10 +#define NPCM8XX_CLK_AXI 11 +#define NPCM8XX_CLK_APB4 12 +#define NPCM8XX_CLK_APB3 13 +#define NPCM8XX_CLK_APB2 14 +#define NPCM8XX_CLK_APB1 15 +#define NPCM8XX_CLK_APB5 16 +#define NPCM8XX_CLK_CLKOUT 17 +#define NPCM8XX_CLK_GFX 18 +#define NPCM8XX_CLK_SU 19 +#define NPCM8XX_CLK_SU48 20 +#define NPCM8XX_CLK_SDHC 21 +#define NPCM8XX_CLK_SPI0 22 +#define NPCM8XX_CLK_SPI1 23 +#define NPCM8XX_CLK_SPIX 24 +#define NPCM8XX_CLK_RG 25 +#define NPCM8XX_CLK_RCP 26 +#define NPCM8XX_CLK_PRE_ADC 27 +#define NPCM8XX_CLK_ATB 28 +#define NPCM8XX_CLK_PRE_CLK 29 +#define NPCM8XX_CLK_TH 30 +#define NPCM8XX_CLK_REFCLK 31 +#define NPCM8XX_CLK_SYSBYPCK 32 +#define NPCM8XX_CLK_MCBYPCK 33 + +#define NPCM8XX_NUM_CLOCKS (NPCM8XX_CLK_MCBYPCK + 1) + +#endif -- 2.33.0
