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03f380178d
* Move Meson64 to 5.6.y * Move Meson64 U-boot to 2020.04 Tested on Odroid C2 * Merge, replace and update patches from Khadas branch
163 lines
4.5 KiB
Diff
163 lines
4.5 KiB
Diff
From 54d8d12deb2dd6dde34de0c4b3e7d537e711fb25 Mon Sep 17 00:00:00 2001
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From: Jerome Brunet <jbrunet@baylibre.com>
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Date: Thu, 13 Feb 2020 16:51:53 +0100
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Subject: [PATCH 014/101] FROMGIT: ASoC: meson: aiu: add audio output
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dt-bindings
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Add the dt-bindings and documentation of the AIU audio controller.
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This component provides most of the audio outputs found on the Amlogic
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Gx SoC family.
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Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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---
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.../bindings/sound/amlogic,aiu.yaml | 111 ++++++++++++++++++
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include/dt-bindings/sound/meson-aiu.h | 18 +++
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2 files changed, 129 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
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create mode 100644 include/dt-bindings/sound/meson-aiu.h
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diff --git a/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
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new file mode 100644
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index 000000000000..3ef7632dcb59
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
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@@ -0,0 +1,111 @@
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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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+$id: http://devicetree.org/schemas/sound/amlogic,aiu.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Amlogic AIU audio output controller
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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: 2
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+
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+ compatible:
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+ items:
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+ - enum:
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+ - amlogic,aiu-gxbb
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+ - amlogic,aiu-gxl
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+ - const:
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+ amlogic,aiu
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+
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+ clocks:
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+ items:
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+ - description: AIU peripheral clock
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+ - description: I2S peripheral clock
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+ - description: I2S output clock
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+ - description: I2S master clock
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+ - description: I2S mixer clock
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+ - description: SPDIF peripheral clock
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+ - description: SPDIF output clock
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+ - description: SPDIF master clock
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+ - description: SPDIF master clock multiplexer
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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: i2s_pclk
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+ - const: i2s_aoclk
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+ - const: i2s_mclk
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+ - const: i2s_mixer
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+ - const: spdif_pclk
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+ - const: spdif_aoclk
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+ - const: spdif_mclk
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+ - const: spdif_mclk_sel
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+
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+ interrupts:
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+ items:
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+ - description: I2S interrupt line
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+ - description: SPDIF interrupt line
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+
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+ interrupt-names:
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+ items:
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+ - const: i2s
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+ - const: spdif
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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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+ - clocks
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+ - clock-names
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+ - interrupts
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+ - interrupt-names
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+ - reg
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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/gxbb-clkc.h>
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+ #include <dt-bindings/interrupt-controller/irq.h>
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+ #include <dt-bindings/interrupt-controller/arm-gic.h>
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+ #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
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+
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+ aiu: audio-controller@5400 {
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+ compatible = "amlogic,aiu-gxl", "amlogic,aiu";
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+ #sound-dai-cells = <2>;
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+ reg = <0x0 0x5400 0x0 0x2ac>;
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+ interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
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+ <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
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+ interrupt-names = "i2s", "spdif";
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+ clocks = <&clkc CLKID_AIU_GLUE>,
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+ <&clkc CLKID_I2S_OUT>,
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+ <&clkc CLKID_AOCLK_GATE>,
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+ <&clkc CLKID_CTS_AMCLK>,
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+ <&clkc CLKID_MIXER_IFACE>,
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+ <&clkc CLKID_IEC958>,
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+ <&clkc CLKID_IEC958_GATE>,
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+ <&clkc CLKID_CTS_MCLK_I958>,
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+ <&clkc CLKID_CTS_I958>;
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+ clock-names = "pclk",
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+ "i2s_pclk",
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+ "i2s_aoclk",
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+ "i2s_mclk",
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+ "i2s_mixer",
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+ "spdif_pclk",
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+ "spdif_aoclk",
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+ "spdif_mclk",
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+ "spdif_mclk_sel";
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+ resets = <&reset RESET_AIU>;
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+ };
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+
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diff --git a/include/dt-bindings/sound/meson-aiu.h b/include/dt-bindings/sound/meson-aiu.h
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new file mode 100644
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index 000000000000..1051b8af298b
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--- /dev/null
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+++ b/include/dt-bindings/sound/meson-aiu.h
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@@ -0,0 +1,18 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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+#ifndef __DT_MESON_AIU_H
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+#define __DT_MESON_AIU_H
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+
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+#define AIU_CPU 0
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+#define AIU_HDMI 1
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+#define AIU_ACODEC 2
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+
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+#define CPU_I2S_FIFO 0
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+#define CPU_SPDIF_FIFO 1
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+#define CPU_I2S_ENCODER 2
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+#define CPU_SPDIF_ENCODER 3
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+
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+#define CTRL_I2S 0
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+#define CTRL_PCM 1
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+#define CTRL_OUT 2
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+
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+#endif /* __DT_MESON_AIU_H */
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--
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2.17.1
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