From 80204ac4bca95ff7f5f4e1022a98b0323a7f2e86 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 25 Aug 2021 15:42:50 +0200 Subject: dt-bindings: clock: samsung: convert S5Pv210 AudSS to dtschema Convert Samsung S5Pv210 Audio SubSystem clock controller bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Sam Protsenko Link: https://lore.kernel.org/r/20210825134251.220098-2-krzysztof.kozlowski@canonical.com Reviewed-by: Rob Herring Signed-off-by: Stephen Boyd --- .../bindings/clock/clk-s5pv210-audss.txt | 53 --------------- .../clock/samsung,s5pv210-audss-clock.yaml | 78 ++++++++++++++++++++++ 2 files changed, 78 insertions(+), 53 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt create mode 100644 Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml (limited to 'Documentation/devicetree/bindings/clock') diff --git a/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt b/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt deleted file mode 100644 index f6272dcd96f4..000000000000 --- a/Documentation/devicetree/bindings/clock/clk-s5pv210-audss.txt +++ /dev/null @@ -1,53 +0,0 @@ -* Samsung Audio Subsystem Clock Controller - -The Samsung Audio Subsystem clock controller generates and supplies clocks -to Audio Subsystem block available in the S5PV210 and compatible SoCs. - -Required Properties: - -- compatible: should be "samsung,s5pv210-audss-clock". -- reg: physical base address and length of the controller's register set. - -- #clock-cells: should be 1. - -- clocks: - - hclk: AHB bus clock of the Audio Subsystem. - - xxti: Optional fixed rate PLL reference clock, parent of mout_audss. If - not specified (i.e. xusbxti is used for PLL reference), it is fixed to - a clock named "xxti". - - fout_epll: Input PLL to the AudioSS block, parent of mout_audss. - - iiscdclk0: Optional external i2s clock, parent of mout_i2s. If not - specified, it is fixed to a clock named "iiscdclk0". - - sclk_audio0: Audio bus clock, parent of mout_i2s. - -- clock-names: Aliases for the above clocks. They should be "hclk", - "xxti", "fout_epll", "iiscdclk0", and "sclk_audio0" respectively. - -All available clocks are defined as preprocessor macros in -dt-bindings/clock/s5pv210-audss-clk.h header and can be used in device -tree sources. - -Example: Clock controller node. - - clk_audss: clock-controller@c0900000 { - compatible = "samsung,s5pv210-audss-clock"; - reg = <0xc0900000 0x1000>; - #clock-cells = <1>; - clock-names = "hclk", "xxti", - "fout_epll", "sclk_audio0"; - clocks = <&clocks DOUT_HCLKP>, <&xxti>, - <&clocks FOUT_EPLL>, <&clocks SCLK_AUDIO0>; - }; - -Example: I2S controller node that consumes the clock generated by the clock - controller. Refer to the standard clock bindings for information - about 'clocks' and 'clock-names' property. - - i2s0: i2s@3830000 { - /* ... */ - clock-names = "iis", "i2s_opclk0", - "i2s_opclk1"; - clocks = <&clk_audss CLK_I2S>, <&clk_audss CLK_I2S>, - <&clk_audss CLK_DOUT_AUD_BUS>; - /* ... */ - }; diff --git a/Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml new file mode 100644 index 000000000000..ae8f8fc93233 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,s5pv210-audss-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S5Pv210 SoC Audio SubSystem clock controller + +maintainers: + - Chanwoo Choi + - Krzysztof Kozlowski + - Sylwester Nawrocki + - Tomasz Figa + +description: | + All available clocks are defined as preprocessor macros in + include/dt-bindings/clock/s5pv210-audss.h header. + +properties: + compatible: + const: samsung,s5pv210-audss-clock + + clocks: + minItems: 4 + items: + - description: + AHB bus clock of the Audio Subsystem. + - description: + Optional fixed rate PLL reference clock, parent of mout_audss. If not + specified (i.e. xusbxti is used for PLL reference), it is fixed to a + clock named "xxti". + - description: + Input PLL to the AudioSS block, parent of mout_audss. + - description: + Audio bus clock, parent of mout_i2s. + - description: + Optional external i2s clock, parent of mout_i2s. If not specified, it + is fixed to a clock named "iiscdclk0". + + clock-names: + minItems: 4 + items: + - const: hclk + - const: xxti + - const: fout_epll + - const: sclk_audio0 + - const: iiscdclk0 + + "#clock-cells": + const: 1 + + power-domains: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - clock-names + - "#clock-cells" + - reg + +additionalProperties: false + +examples: + - | + #include + + clock-controller@c0900000 { + compatible = "samsung,s5pv210-audss-clock"; + reg = <0xc0900000 0x1000>; + #clock-cells = <1>; + clock-names = "hclk", "xxti", "fout_epll", "sclk_audio0"; + clocks = <&clocks DOUT_HCLKP>, <&xxti>, <&clocks FOUT_EPLL>, + <&clocks SCLK_AUDIO0>; + }; -- cgit v1.2.3