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| author | Jerome Brunet <jbrunet@baylibre.com> | 2018-07-20 18:26:32 +0300 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2018-07-20 18:50:24 +0300 |
| commit | 5338073561bea23363e5552b647dad75bc7d0f11 (patch) | |
| tree | 82128beefe0db586f44d713fd440d949200e76bc | |
| parent | 6b39fd590aebca1a6a4c827f29f14d2b6df3939d (diff) | |
| download | linux-5338073561bea23363e5552b647dad75bc7d0f11.tar.xz | |
reset: meson: add dt-bindings for meson-axg audio arb
Add dt-bindings for the audio memory arbiter found on Amlogic's
A113 based SoCs
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
| -rw-r--r-- | Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt | 21 | ||||
| -rw-r--r-- | include/dt-bindings/reset/amlogic,meson-axg-audio-arb.h | 17 |
2 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt new file mode 100644 index 000000000000..26e542eb96df --- /dev/null +++ b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.txt @@ -0,0 +1,21 @@ +* Amlogic audio memory arbiter controller + +The Amlogic Audio ARB is a simple device which enables or +disables the access of Audio FIFOs to DDR on AXG based SoC. + +Required properties: +- compatible: 'amlogic,meson-axg-audio-arb' +- reg: physical base address of the controller and length of memory + mapped region. +- clocks: phandle to the fifo peripheral clock provided by the audio + clock controller. +- #reset-cells: must be 1. + +Example on the A113 SoC: + +arb: reset-controller@280 { + compatible = "amlogic,meson-axg-audio-arb"; + reg = <0x0 0x280 0x0 0x4>; + #reset-cells = <1>; + clocks = <&clkc_audio AUD_CLKID_DDR_ARB>; +}; diff --git a/include/dt-bindings/reset/amlogic,meson-axg-audio-arb.h b/include/dt-bindings/reset/amlogic,meson-axg-audio-arb.h new file mode 100644 index 000000000000..05c36367875c --- /dev/null +++ b/include/dt-bindings/reset/amlogic,meson-axg-audio-arb.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) + * + * Copyright (c) 2018 Baylibre SAS. + * Author: Jerome Brunet <jbrunet@baylibre.com> + */ + +#ifndef _DT_BINDINGS_AMLOGIC_MESON_AXG_AUDIO_ARB_H +#define _DT_BINDINGS_AMLOGIC_MESON_AXG_AUDIO_ARB_H + +#define AXG_ARB_TODDR_A 0 +#define AXG_ARB_TODDR_B 1 +#define AXG_ARB_TODDR_C 2 +#define AXG_ARB_FRDDR_A 3 +#define AXG_ARB_FRDDR_B 4 +#define AXG_ARB_FRDDR_C 5 + +#endif /* _DT_BINDINGS_AMLOGIC_MESON_AXG_AUDIO_ARB_H */ |