This adds device tree bindings for the Cirrus Logic EP93xx clock block used in these SoCs. Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx> --- .../devicetree/bindings/arm/ep93xx.yaml | 102 ++++++++++++++++++ .../dt-bindings/clock/cirrus,ep93xx-clock.h | 53 +++++++++ 2 files changed, 155 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/ep93xx.yaml create mode 100644 include/dt-bindings/clock/cirrus,ep93xx-clock.h diff --git a/Documentation/devicetree/bindings/arm/ep93xx.yaml b/Documentation/devicetree/bindings/arm/ep93xx.yaml new file mode 100644 index 000000000000..de7020f4f356 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/ep93xx.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/ep93xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logick EP93xx device tree bindings + +description: |+ + The EP93xx SoC is a ARMv4T-based with 200 MHz ARM9 CPU. + +maintainers: + - Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> + - Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> + - Nikita Shubin <nikita.shubin@xxxxxxxxxxx> + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: The TS-7250 is a compact, full-featured Single Board Computer (SBC) + based upon the Cirrus EP9302 ARM9 CPU. + items: + - const: technologic,ts7250 + - const: liebherr,bk3 + - const: cirrus,ep9301 + - const: cirrus,edb9302 + + soc: + type: object + patternProperties: + "^.*syscon@80930000$": + type: object + properties: + compatible: + items: + - const: cirrus,ep9301-syscon + - const: syscon + - const: simple-mfd + ep9301-reboot: + type: object + properties: + compatible: + const: cirrus,ep9301-reboot + required: + - compatible + - reg + - '#clock-cells' + - ep9301-reboot + + "^.*timer@80810000$": + type: object + properties: + compatible: + const: cirrus,ep9301-timer + + required: + - syscon@80930000 + - timer@80810000 + +required: + - compatible + - soc + +additionalProperties: true + +examples: + - | + / { + compatible = "technologic,ts7250", "cirrus,ep9301"; + model = "TS-7250 SBC"; + #address-cells = <1>; + #size-cells = <1>; + soc { + #address-cells = <1>; + #size-cells = <1>; + ranges; + compatible = "simple-bus"; + + syscon: syscon@80930000 { + compatible = "cirrus,ep9301-syscon", + "syscon", "simple-mfd"; + reg = <0x80930000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + + ep9301-reboot { + compatible = "cirrus,ep9301-reboot"; + }; + }; + + timer: timer@80810000 { + compatible = "cirrus,ep9301-timer"; + reg = <0x80810000 0x100>; + interrupt-parent = <&vic1>; + interrupts = <19>; + }; + }; + }; + +... diff --git a/include/dt-bindings/clock/cirrus,ep93xx-clock.h b/include/dt-bindings/clock/cirrus,ep93xx-clock.h new file mode 100644 index 000000000000..ad796314fb11 --- /dev/null +++ b/include/dt-bindings/clock/cirrus,ep93xx-clock.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H +#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H + +#define EP93XX_CLK_XTALI 0 + +#define EP93XX_CLK_PLL1 1 +#define EP93XX_CLK_FCLK 2 +#define EP93XX_CLK_HCLK 3 +#define EP93XX_CLK_PCLK 4 +#define EP93XX_CLK_PLL2 5 + +#define EP93XX_CLK_UART 6 + +#define EP93XX_CLK_UART1 7 +#define EP93XX_CLK_UART2 8 +#define EP93XX_CLK_UART3 9 + +#define EP93XX_CLK_M2M0 10 +#define EP93XX_CLK_M2M1 11 + +#define EP93XX_CLK_M2P0 12 +#define EP93XX_CLK_M2P1 13 +#define EP93XX_CLK_M2P2 14 +#define EP93XX_CLK_M2P3 15 +#define EP93XX_CLK_M2P4 16 +#define EP93XX_CLK_M2P5 17 +#define EP93XX_CLK_M2P6 18 +#define EP93XX_CLK_M2P7 19 +#define EP93XX_CLK_M2P8 20 +#define EP93XX_CLK_M2P9 21 + +#define EP93XX_CLK_SPI 22 + +#define EP93XX_CLK_USB 23 + +#define EP93XX_CLK_ADC 24 +#define EP93XX_CLK_ADC_EN 25 + +#define EP93XX_CLK_KEYPAD 26 + +#define EP93XX_CLK_PWM 27 + +#define EP93XX_CLK_VIDEO 28 + +#define EP93XX_CLK_I2S_MCLK 29 +#define EP93XX_CLK_I2S_SCLK 30 +#define EP93XX_CLK_I2S_LRCLK 31 + + +#define EP93XX_NUM_CLKS (EP93XX_CLK_I2S_LRCLK + 1) + +#endif /* DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H */ -- 2.39.2