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/Linux-v5.10/Documentation/devicetree/bindings/sound/
Dsamsung-i2s.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/samsung-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung SoC I2S controller
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
16 samsung,s3c6410-i2s: for 8/16/24bit stereo I2S.
18 samsung,s5pv210-i2s: for 8/16/24bit multichannel (5.1) I2S with
22 samsung,exynos5420-i2s: for 8/16/24bit multichannel (5.1) I2S for
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/Linux-v5.10/Documentation/devicetree/bindings/mfd/
Dsamsung,exynos5433-lpass.txt5 - compatible : "samsung,exynos5433-lpass"
6 - reg : should contain the LPASS top SFR region location
8 - clock-names : should contain following required clocks: "sfr0_ctrl"
9 - clocks : should contain clock specifiers of all clocks, which
10 input names have been specified in clock-names
12 - #address-cells : should be 1
13 - #size-cells : should be 1
14 - ranges : must be present
17 an optional sub-node. For "samsung,exynos5433-lpass" compatible this includes:
18 UART, SLIMBUS, PCM, I2S, DMAC, Timers 0...4, VIC, WDT 0...1 devices.
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/Linux-v5.10/drivers/clk/samsung/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
5 # Clocks on ARM64 SoCs (e.g. Exynos5433, Exynos7) are chosen by
10 bool "Samsung Exynos ARMv8-family clock controller support" if COMPILE_TEST
20 use audio devices such as I2S, PCM, etc.
/Linux-v5.10/arch/arm64/boot/dts/exynos/
Dexynos5433.dtsi1 // SPDX-License-Identifier: GPL-2.0
16 #include <dt-bindings/clock/exynos5433.h>
17 #include <dt-bindings/interrupt-controller/arm-gic.h>
21 #address-cells = <2>;
22 #size-cells = <2>;
24 interrupt-parent = <&gic>;
27 compatible = "arm,cortex-a53-pmu";
32 interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
36 compatible = "arm,cortex-a57-pmu";
41 interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
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/Linux-v5.10/sound/soc/samsung/
Di2s.c1 // SPDX-License-Identifier: GPL-2.0
3 // ALSA SoC Audio Layer - Samsung I2S Controller driver
8 #include <dt-bindings/sound/samsung-i2s.h>
12 #include <linux/clk-provider.h>
23 #include <linux/platform_data/asoc-s3c.h>
27 #include "i2s.h"
28 #include "i2s-regs.h"
99 /* The I2S controller's core clock */
102 /* Clock for generating I2S signals */
108 /* Cache of selected I2S registers for system suspend */
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