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/linux/Documentation/devicetree/bindings/sound/
H A Dti,omap4-mcpdm.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/sound/ti,omap4-mcpdm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: OMAP McPDM
10 - Misael Lopez Cruz <misael.lopez@ti.com>
13 OMAP ALSA SoC DAI driver using McPDM port used by TWL6040
17 const: ti,omap4-mcpdm
21 - description: MPU access base address
22 - description: L3 interconnect address
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H A Domap-abe-twl6040.txt1 * Texas Instruments OMAP4+ and twl6040 based audio setups
4 - compatible: "ti,abe-twl6040"
5 - ti,model: Name of the sound card ( for example "SDP4430")
6 - ti,mclk-freq: MCLK frequency for HPPLL operation
7 - ti,mcpdm: phandle for the McPDM node
8 - ti,twl6040: phandle for the twl6040 core node
9 - ti,audio-routing: List of connections between audio components.
14 - ti,dmic: phandle for the OMAP dmic node if the machine have it connected
15 - ti,jack-detection: Need to be present if the board capable to detect jack
18 Available audio endpoints for the audio-routing table:
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/linux/arch/arm/boot/dts/ti/omap/
H A Domap4-mcpdm.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Common omap4 mcpdm configuration
6 * pmic to ABE as mcpdm uses an external clock for the module.
10 mcpdm_pins: mcpdm-pins {
11 pinctrl-single,pins = <
32 * McPDM pads must be muxed at the interconnect target module
36 pinctrl-names = "default";
37 pinctrl-0 = <&mcpdm_pins>;
41 &mcpdm {
43 clock-names = "pdmclk";
H A Domap4-duovero.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
7 #include "omap4-mcpdm.dtsi"
11 compatible = "gumstix,omap4-duovero", "ti,omap4430", "ti,omap4";
14 stdout-path = &uart3;
23 compatible = "ti,abe-twl6040";
26 ti,mclk-freq = <38400000>;
28 ti,mcpdm = <&mcpdm>;
33 ti,audio-routing =
42 compatible = "usb-nop-xceiv";
43 reset-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>; /* gpio_62 */
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H A Domap5-l4-abe.dtsi2 compatible = "ti,omap5-l4-abe", "simple-pm-bus";
5 reg-names = "la", "ap";
6 power-domains = <&prm_abe>;
7 /* OMAP5_L4_ABE_CLKCTRL is read-only */
8 #address-cells = <1>;
9 #size-cells = <1>;
13 compatible = "simple-pm-bus";
14 #address-cells = <1>;
15 #size-cells = <1>;
89 target-module@22000 { /* 0x40122000, ap 2 02.0 */
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H A Domap4-l4-abe.dtsi2 compatible = "ti,omap4-l4-abe", "simple-pm-bus";
5 reg-names = "la", "ap";
6 power-domains = <&prm_abe>;
7 /* OMAP4_L4_ABE_CLKCTRL is read-only */
8 #address-cells = <1>;
9 #size-cells = <1>;
13 compatible = "simple-pm-bus";
14 #address-cells = <1>;
15 #size-cells = <1>;
89 target-module@22000 { /* 0x40122000, ap 2 02.0 */
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H A Domap4-sdp.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
5 /dts-v1/;
9 #include "omap4-mcpdm.dtsi"
12 model = "TI OMAP4 SDP board";
13 compatible = "ti,omap4-sdp", "ti,omap4430", "ti,omap4";
26 vdd_eth: fixedregulator-vdd-eth {
27 pinctrl-names = "default";
28 pinctrl-0 = <&enet_enable_gpio>;
30 compatible = "regulator-fixed";
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H A Domap4-var-som-om44.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2012 Variscite Ltd. - https://www.variscite.com
7 #include "omap4-mcpdm.dtsi"
10 model = "Variscite VAR-SOM-OM44";
11 compatible = "variscite,var-som-om44", "ti,omap4460", "ti,omap4";
19 compatible = "ti,abe-twl6040";
20 ti,model = "VAR-SOM-OM44";
22 ti,mclk-freq = <38400000>;
23 ti,mcpdm = <&mcpdm>;
27 ti,audio-routing =
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H A Domap4-panda-common.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011-2013 Texas Instruments Incorporated - https://www.ti.com/
5 #include <dt-bindings/input/input.h>
7 #include "omap4-mcpdm.dtsi"
15 reserved-memory {
16 #address-cells = <1>;
17 #size-cells = <1>;
20 dsp_memory_region: dsp-memory@98000000 {
21 compatible = "shared-dma-pool";
27 ipu_memory_region: ipu-memory@98800000 {
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/linux/sound/soc/ti/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
36 - daVinci devices
37 - Sitara line of SoCs (AM335x, AM438x, etc)
38 - OMAP4
39 - DRA7x devices
40 - Keystone devices
41 - K3 devices (am654, j721e)
49 OMAP4 and OMAP5.
60 tristate "Multichannel PDM Controller (McPDM) support"
64 Say Y or M here if you want to have support for McPDM IP found in
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H A Domap-mcpdm.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * omap-mcpdm.c -- OMAP ALSA SoC DAI driver using McPDM port
5 * Copyright (C) 2009 - 2011 Texas Instruments
30 #include "omap-mcpdm.h"
31 #include "sdma-pcm.h"
51 /* McPDM dn offsets for rx1, and 2 channels */
54 /* McPDM needs to be restarted due to runtime reconfiguration */
67 static inline void omap_mcpdm_write(struct omap_mcpdm *mcpdm, u16 reg, u32 val) in omap_mcpdm_write() argument
69 writel_relaxed(val, mcpdm->io_base + reg); in omap_mcpdm_write()
72 static inline int omap_mcpdm_read(struct omap_mcpdm *mcpdm, u16 reg) in omap_mcpdm_read() argument
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/linux/Documentation/devicetree/bindings/mfd/
H A Dtwl6040.txt3 The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
4 vibra and GPO functionality on OMAP4+ platforms.
5 They are connected to the host processor via i2c for commands, McPDM for audio
9 - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
10 - reg: must be 0x4b for i2c address
11 - interrupts: twl6040 has one interrupt line connecteded to the main SoC
12 - gpio-controller:
13 - #gpio-cells = <1>: twl6040 provides GPO lines.
14 - #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM
15 - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
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/linux/drivers/clk/
H A Dclk-twl6040.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TWL6040 clock module driver for OMAP4 McPDM functional clock
13 #include <linux/clk-provider.h>
27 return pdmclk->enabled; in twl6040_pdmclk_is_prepared()
36 ret = twl6040_set_bits(pdmclk->twl6040, reg, reset_mask); in twl6040_pdmclk_reset_one_clock()
40 ret = twl6040_clear_bits(pdmclk->twl6040, reg, reset_mask); in twl6040_pdmclk_reset_one_clock()
73 ret = twl6040_power(pdmclk->twl6040, 1); in twl6040_pdmclk_prepare()
81 pdmclk->enabled = 1; in twl6040_pdmclk_prepare()
86 dev_err(pdmclk->dev, "%s: error %i\n", __func__, ret); in twl6040_pdmclk_prepare()
87 twl6040_power(pdmclk->twl6040, 0); in twl6040_pdmclk_prepare()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
88 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
98 multi-function device has one fixed-rate oscillator, clocked
129 be pre-programmed to support other configurations and features not yet
178 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
196 For example, the CDCE925 contains two PLLs with spread-spectrum
206 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
237 provides read-only PLLs, derived from the main crystal clock (which
296 clock. These multi-function devices have two (S2MPS14) or three
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/linux/drivers/bus/
H A Dti-sysc.c1 // SPDX-License-Identifier: GPL-2.0
3 * ti-sysc.c - Texas Instruments sysc interconnect target driver
8 * Copyright (C) 2017-2024 Texas Instruments Incorporated - https://www.ti.com/
13 * Copyright (C) 2009-2011 Nokia Corporation
14 * Copyright (C) 2011-2021 Texas Instruments Incorporated - https://www.ti.com/
35 #include <linux/platform_data/ti-sysc.h>
37 #include <dt-bindings/bus/ti-sysc.h>
107 * struct sysc - TI sysc interconnect target module registers and capabilities
113 * @mdata: ti-sysc to hwmod translation data for a module
130 * @pre_reset_quirk: module specific pre-reset quirk
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