mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-02-12 02:05:54 +00:00
a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
92 lines
2.0 KiB
YAML
92 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/st,stm32-i2s.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: STMicroelectronics STM32 SPI/I2S Controller
|
|
|
|
maintainers:
|
|
- Olivier Moysan <olivier.moysan@foss.st.com>
|
|
|
|
description:
|
|
The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode.
|
|
Only some SPI instances support I2S.
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- st,stm32h7-i2s
|
|
|
|
"#sound-dai-cells":
|
|
const: 0
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
items:
|
|
- description: clock feeding the peripheral bus interface.
|
|
- description: clock feeding the internal clock generator.
|
|
- description: I2S parent clock for sampling rates multiple of 8kHz.
|
|
- description: I2S parent clock for sampling rates multiple of 11.025kHz.
|
|
|
|
clock-names:
|
|
items:
|
|
- const: pclk
|
|
- const: i2sclk
|
|
- const: x8k
|
|
- const: x11k
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
dmas:
|
|
items:
|
|
- description: audio capture DMA.
|
|
- description: audio playback DMA.
|
|
|
|
dma-names:
|
|
items:
|
|
- const: rx
|
|
- const: tx
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
"#clock-cells":
|
|
description: Configure the I2S device as MCLK clock provider.
|
|
const: 0
|
|
|
|
required:
|
|
- compatible
|
|
- "#sound-dai-cells"
|
|
- reg
|
|
- clocks
|
|
- clock-names
|
|
- interrupts
|
|
- dmas
|
|
- dma-names
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/clock/stm32mp1-clks.h>
|
|
i2s2: audio-controller@4000b000 {
|
|
compatible = "st,stm32h7-i2s";
|
|
#sound-dai-cells = <0>;
|
|
reg = <0x4000b000 0x400>;
|
|
clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
|
|
clock-names = "pclk", "i2sclk", "x8k", "x11k";
|
|
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
|
|
dmas = <&dmamux1 39 0x400 0x01>,
|
|
<&dmamux1 40 0x400 0x01>;
|
|
dma-names = "rx", "tx";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&i2s2_pins_a>;
|
|
};
|
|
|
|
...
|