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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dcirrus,ep9301-i2s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Cirrus EP93xx I2S Controller
10 The I2S controller is used to stream serial audio data between the external
11 I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
12 and Right-Justified DSP formats.
15 - Alexander Sverdlin <alexander.sverdlin@gmail.com>
18 - $ref: dai-common.yaml#
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/linux-6.12.1/arch/arm/boot/dts/cirrus/
Dep93xx.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/leds/common.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
11 compatible = "simple-bus";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 compatible = "cirrus,ep9301-syscon", "syscon";
20 #clock-cells = <1>;
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Dep93xx-edb9302.dts1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
5 /dts-v1/;
9 #address-cells = <1>;
10 #size-cells = <1>;
11 compatible = "cirrus,edb9302", "cirrus,ep9301";
27 compatible = "audio-graph-card2";
33 compatible = "gpio-leds";
34 led-0 {
37 linux,default-trigger = "heartbeat";
41 led-1 {
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Dep93xx-bk3.dts1 // SPDX-License-Identifier: GPL-2.0
5 /dts-v1/;
10 compatible = "liebherr,bk3", "cirrus,ep9301";
11 #address-cells = <1>;
12 #size-cells = <1>;
25 compatible = "gpio-leds";
26 led-0 {
29 linux,default-trigger = "heartbeat";
33 led-1 {
42 nand-controller@60000000 {
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/linux-6.12.1/Documentation/devicetree/bindings/dma/
Dcirrus,ep9301-dma-m2p.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Sverdlin <alexander.sverdlin@gmail.com>
11 - Nikita Shubin <nikita.shubin@maquefel.me>
14 - $ref: dma-controller.yaml#
19 - const: cirrus,ep9301-dma-m2p
20 - items:
21 - enum:
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/linux-6.12.1/Documentation/devicetree/bindings/soc/cirrus/
Dcirrus,ep9301-syscon.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/soc/cirrus/cirrus,ep9301-syscon.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexander Sverdlin <alexander.sverdlin@gmail.com>
11 - Nikita Shubin <nikita.shubin@maquefel.me>
14 Central resources are controlled by a set of software-locked registers,
20 - Clock control
21 - Power management
22 - System configuration management
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/linux-6.12.1/sound/soc/cirrus/
Dep93xx-i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/sound/soc/ep93xx-i2s.c
4 * EP93xx I2S driver
29 #include "ep93xx-pcm.h"
59 * 0 - Generate interrupt when FIFO is half empty
60 * 1 - Generate interrupt when FIFO is empty
85 __raw_writel(val, info->regs + reg); in ep93xx_i2s_write_reg()
91 return __raw_readl(info->regs + reg); in ep93xx_i2s_read_reg()
101 clk_prepare_enable(info->mclk); in ep93xx_i2s_enable()
102 clk_prepare_enable(info->sclk); in ep93xx_i2s_enable()
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/linux-6.12.1/drivers/clk/
Dclk-ep93xx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Based on a rewrite of arch/arm/mach-ep93xx/clock.c:
13 #include <linux/clk-provider.h>
20 #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
105 return container_of(clk, struct ep93xx_clk_priv, reg[clk->idx]); in ep93xx_priv_from()
110 struct ep93xx_regmap_adev *aux = priv->aux_dev; in ep93xx_clk_write()
112 aux->write(aux->map, aux->lock, reg, val); in ep93xx_clk_write()
121 regmap_read(priv->map, clk->reg, &val); in ep93xx_clk_is_enabled()
123 return !!(val & BIT(clk->bit_idx)); in ep93xx_clk_is_enabled()
132 guard(spinlock_irqsave)(&priv->lock); in ep93xx_clk_enable()
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/linux-6.12.1/drivers/pinctrl/
Dpinctrl-ep93xx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * based on linux/drivers/pinctrl/pinmux-gemini.c
8 * This is a group-only pin controller.
23 #include <linux/pinctrl/pinconf-generic.h>
28 #include "pinctrl-utils.h"
30 #define DRIVER_NAME "pinctrl-ep93xx"
49 struct ep93xx_regmap_adev *aux = pmx->aux_dev; in ep93xx_pinctrl_update_bits()
51 aux->update_bits(aux->map, aux->lock, reg, mask, val); in ep93xx_pinctrl_update_bits()
73 * descriptions of the registers, “DeviceCfg” on page 5-25 and “SysCfg” on page 5-34, for a
118 /* ep9301, ep9302 */
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/linux-6.12.1/
DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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