[PATCH v2 7/8] dt-bindings: clock: samsung: convert S5Pv210 AudSS to dtschema

Krzysztof Kozlowski
2021-08-10T09:33:01Z

Convert Samsung S5Pv210 Audio SubSystem clock controller bindings to DT
schema format using json-schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

---

Changes since v1:
1. Include header to fix clock IDs error in example.
---
.../bindings/clock/clk-s5pv210-audss.txt | 53 -------------
.../clock/samsung,s5pv210-audss-clock.yaml | 77 +++++++++++++++++++
2 files changed, 77 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

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..ef313df4afa4
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/samsung,s5pv210-audss-clock.yaml
@@ -0,0 +1,77 @@
+# 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 <cw00.choi@samsung.com>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+ - Sylwester Nawrocki <s.nawrocki@samsung.com>
+ - Tomasz Figa <tomasz.figa@gmail.com>
+
+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: true
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - clocks
+ - clock-names
+ - "#clock-cells"
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/s5pv210.h>
+
+ 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>;
+ };
--
2.30.2