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/linux/sound/soc/mxs/
H A Dmxs-saif.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/dma-mapping.h>
13 #include <linux/clk-provider.h>
22 #include "mxs-saif.h"
30 * SAIF is a little different with other normal SOC DAIs on clock using.
32 * For MXS, two SAIF modules are instantiated on-chip.
33 * Each SAIF has a set of clock pins and can be operating in master
34 * mode simultaneously if they are connected to different off-chip codecs.
35 * Also, one of the two SAIFs can master or drive the clock pins while the
36 * other SAIF, in slave mode, receives clocking from the master SAIF.
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/linux/Documentation/devicetree/bindings/sound/
H A Dfsl,saif.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,saif.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale MXS Serial Audio Interface (SAIF)
10 - Lukasz Majewski <lukma@denx.de>
13 - $ref: dai-common.yaml#
16 The SAIF is based on I2S module that is used to communicate with audio codecs,
17 but only with half-duplex manner (i.e. it can either transmit or receive PCM
22 const: fsl,imx28-saif
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/linux/arch/arm/boot/dts/nxp/mxs/
H A Dimx28-apx4devkit.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
15 reg_3p3v: regulator-3p3v {
16 compatible = "regulator-fixed";
17 regulator-name = "3P3V";
18 regulator-min-microvolt = <3300000>;
19 regulator-max-microvolt = <3300000>;
20 regulator-always-on;
24 compatible = "bluegiga,apx4devkit-sgtl5000",
25 "fsl,mxs-audio-sgtl5000";
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H A Dimx28-m28evk.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
7 /dts-v1/;
8 #include "imx28-m28.dtsi"
15 compatible = "pwm-backlight";
17 brightness-levels = <0 4 8 16 32 64 128 255>;
18 default-brightness-level = <6>;
21 reg_vddio_sd0: regulator-1 {
22 compatible = "regulator-fixed";
23 regulator-name = "vddio-sd0";
24 regulator-min-microvolt = <3300000>;
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H A Dimx28-eukrea-mbmx28lc.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/gpio/gpio.h>
16 compatible = "pwm-backlight";
18 brightness-levels = <0 25 50 75 100 125 150 175 200 225 255>;
19 default-brightness-level = <10>;
22 gpio-keys-0 {
23 compatible = "gpio-keys";
24 pinctrl-names = "default";
25 pinctrl-0 = <&gpio_button_sw3_pins_mbmx28lc>;
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H A Dimx28-evk.dts1 // SPDX-License-Identifier: GPL-2.0+
5 /dts-v1/;
10 compatible = "fsl,imx28-evk", "fsl,imx28";
18 reg_3p3v: regulator-3p3v {
19 compatible = "regulator-fixed";
20 regulator-name = "3P3V";
21 regulator-min-microvolt = <3300000>;
22 regulator-max-microvolt = <3300000>;
23 regulator-always-on;
26 reg_vddio_sd0: regulator-vddio-sd0 {
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H A Dimx28-tx28.dts1 // SPDX-License-Identifier: GPL-2.0 OR MIT
4 * Copyright 2013-2017 Lothar Waßmann <LW@KARO-electronics.de>
7 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
13 model = "Ka-Ro electronics TX28 module";
34 reg = <0x40000000 0>; /* will be filled in by U-Boot */
38 compatible = "w1-gpio";
43 reg_usb0_vbus: regulator-usb0-vbus {
44 compatible = "regulator-fixed";
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