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Diffstat (limited to 'Documentation/devicetree/bindings/clock/samsung,exynos7-clock.yaml')
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diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos7-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos7-clock.yaml new file mode 100644 index 000000000..c137c6744 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos7-clock.yaml @@ -0,0 +1,272 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,exynos7-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos7 SoC clock controller + +maintainers: + - Chanwoo Choi <cw00.choi@samsung.com> + - Krzysztof Kozlowski <krzk@kernel.org> + - Sylwester Nawrocki <s.nawrocki@samsung.com> + - Tomasz Figa <tomasz.figa@gmail.com> + +description: | + Expected external clocks, defined in DTS as fixed-rate clocks with a matching + name:: + - "fin_pll" - PLL input clock from XXTI + + All available clocks are defined as preprocessor macros in + include/dt-bindings/clock/exynos7-clk.h header. + +properties: + compatible: + enum: + - samsung,exynos7-clock-topc + - samsung,exynos7-clock-top0 + - samsung,exynos7-clock-top1 + - samsung,exynos7-clock-ccore + - samsung,exynos7-clock-peric0 + - samsung,exynos7-clock-peric1 + - samsung,exynos7-clock-peris + - samsung,exynos7-clock-fsys0 + - samsung,exynos7-clock-fsys1 + - samsung,exynos7-clock-mscl + - samsung,exynos7-clock-aud + + clocks: + minItems: 1 + maxItems: 13 + + clock-names: + minItems: 1 + maxItems: 13 + + "#clock-cells": + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - "#clock-cells" + - reg + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-top0 + then: + properties: + clocks: + minItems: 6 + maxItems: 6 + clock-names: + items: + - const: fin_pll + - const: dout_sclk_bus0_pll + - const: dout_sclk_bus1_pll + - const: dout_sclk_cc_pll + - const: dout_sclk_mfc_pll + - const: dout_sclk_aud_pll + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-top1 + then: + properties: + clocks: + minItems: 5 + maxItems: 5 + clock-names: + items: + - const: fin_pll + - const: dout_sclk_bus0_pll + - const: dout_sclk_bus1_pll + - const: dout_sclk_cc_pll + - const: dout_sclk_mfc_pll + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-ccore + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_ccore_133 + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-peric0 + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_peric0_66 + - const: sclk_uart0 + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-peric1 + then: + properties: + clocks: + minItems: 13 + maxItems: 13 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_peric1_66 + - const: sclk_uart1 + - const: sclk_uart2 + - const: sclk_uart3 + - const: sclk_spi0 + - const: sclk_spi1 + - const: sclk_spi2 + - const: sclk_spi3 + - const: sclk_spi4 + - const: sclk_i2s1 + - const: sclk_pcm1 + - const: sclk_spdif + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-peris + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_peris_66 + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-fsys0 + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_fsys0_200 + - const: dout_sclk_mmc2 + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-fsys1 + then: + properties: + clocks: + minItems: 7 + maxItems: 7 + clock-names: + items: + - const: fin_pll + - const: dout_aclk_fsys1_200 + - const: dout_sclk_mmc0 + - const: dout_sclk_mmc1 + - const: dout_sclk_ufsunipro20 + - const: dout_sclk_phy_fsys1 + - const: dout_sclk_phy_fsys1_26m + required: + - clock-names + - clocks + + - if: + properties: + compatible: + contains: + const: samsung,exynos7-clock-aud + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: fin_pll + - const: fout_aud_pll + required: + - clock-names + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos7-clk.h> + + fin_pll: clock { + compatible = "fixed-clock"; + clock-output-names = "fin_pll"; + #clock-cells = <0>; + clock-frequency = <24000000>; + }; + + clock-controller@105e0000 { + compatible = "samsung,exynos7-clock-top1"; + reg = <0x105e0000 0xb000>; + #clock-cells = <1>; + clocks = <&fin_pll>, + <&clock_topc DOUT_SCLK_BUS0_PLL>, + <&clock_topc DOUT_SCLK_BUS1_PLL>, + <&clock_topc DOUT_SCLK_CC_PLL>, + <&clock_topc DOUT_SCLK_MFC_PLL>; + clock-names = "fin_pll", + "dout_sclk_bus0_pll", + "dout_sclk_bus1_pll", + "dout_sclk_cc_pll", + "dout_sclk_mfc_pll"; + }; |