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136 lines
3.6 KiB
Diff
136 lines
3.6 KiB
Diff
From 74524d2255deea105d57a441b266655a304b27f5 Mon Sep 17 00:00:00 2001
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From: Jerome Brunet <jbrunet@baylibre.com>
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Date: Fri, 24 Jan 2020 12:13:40 +0100
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Subject: [PATCH 036/101] WIP: ASoC: meson: convert axg pdm to schema
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Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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---
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.../bindings/sound/amlogic,axg-pdm.txt | 29 -------
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.../bindings/sound/amlogic,axg-pdm.yaml | 79 +++++++++++++++++++
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2 files changed, 79 insertions(+), 29 deletions(-)
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delete mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-pdm.txt
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create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml
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diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.txt
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deleted file mode 100644
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index 716878107a24..000000000000
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--- a/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.txt
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+++ /dev/null
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@@ -1,29 +0,0 @@
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-* Amlogic Audio PDM input
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-
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-Required properties:
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-- compatible: 'amlogic,axg-pdm' or
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- 'amlogic,g12a-pdm' or
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- 'amlogic,sm1-pdm'
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-- reg: physical base address of the controller and length of memory
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- mapped region.
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-- clocks: list of clock phandle, one for each entry clock-names.
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-- clock-names: should contain the following:
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- * "pclk" : peripheral clock.
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- * "dclk" : pdm digital clock
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- * "sysclk" : dsp system clock
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-- #sound-dai-cells: must be 0.
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-
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-Optional property:
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-- resets: phandle to the dedicated reset line of the pdm input.
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-
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-Example of PDM on the A113 SoC:
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-
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-pdm: audio-controller@ff632000 {
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- compatible = "amlogic,axg-pdm";
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- reg = <0x0 0xff632000 0x0 0x34>;
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- #sound-dai-cells = <0>;
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- clocks = <&clkc_audio AUD_CLKID_PDM>,
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- <&clkc_audio AUD_CLKID_PDM_DCLK>,
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- <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
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- clock-names = "pclk", "dclk", "sysclk";
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-};
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diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml
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new file mode 100644
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index 000000000000..aa90b77e593d
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml
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@@ -0,0 +1,79 @@
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+# SPDX-License-Identifier: GPL-2.0
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/sound/amlogic,axg-pdm.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Amlogic Audio AXG PDM input
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+
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+maintainers:
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+ - Jerome Brunet <jbrunet@baylibre.com>
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+
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+properties:
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+ $nodename:
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+ pattern: "^audio-controller@.*"
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+
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+ "#sound-dai-cells":
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+ const: 0
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+
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+ compatible:
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+ oneOf:
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+ - items:
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+ - enum:
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+ - amlogic,g12a-pdm
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+ - amlogic,sm1-pdm
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+ - const:
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+ amlogic,axg-pdm
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+ - items:
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+ - const:
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+ amlogic,axg-pdm
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+
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+ clocks:
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+ items:
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+ - description: Peripheral clock
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+ - description: PDM digital clock
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+ - description: DSP system clock
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+
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+ clock-names:
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+ items:
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+ - const: pclk
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+ - const: dclk
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+ - const: sysclk
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+
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+ reg:
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+ maxItems: 1
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+
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+ resets:
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+ maxItems: 1
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+
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+required:
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+ - "#sound-dai-cells"
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+ - compatible
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+ - reg
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+ - clocks
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+ - clock-names
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+
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+if:
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+ properties:
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+ compatible:
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+ contains:
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+ enum:
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+ - amlogic,g12a-pdm
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+ - amlogic,sm1-pdm
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+then:
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+ required:
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+ - resets
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+
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+examples:
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+ - |
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+ #include <dt-bindings/clock/axg-audio-clkc.h>
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+
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+ pdm: audio-controller@ff632000 {
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+ compatible = "amlogic,axg-pdm";
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+ reg = <0x0 0xff632000 0x0 0x34>;
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+ #sound-dai-cells = <0>;
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+ clocks = <&clkc_audio AUD_CLKID_PDM>,
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+ <&clkc_audio AUD_CLKID_PDM_DCLK>,
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+ <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
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+ clock-names = "pclk", "dclk", "sysclk";
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+ };
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--
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2.17.1
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