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/Linux-v5.10/Documentation/devicetree/bindings/display/
Dbrcm,bcm2835-hdmi.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) HDMI Controller
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-hdmi
18 - description: HDMI register range
19 - description: HD register range
26 - description: The pixel clock
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Dbrcm,bcm2835-vc4.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-vc4.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Eric Anholt <eric@anholt.net>
14 with HDMI output and the HVS (Hardware Video Scaler) for compositing
20 - brcm,bcm2711-vc5
21 - brcm,bcm2835-vc4
22 - brcm,cygnus-vc4
25 - compatible
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/Linux-v5.10/arch/arm/boot/dts/
Dbcm2835-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations.
8 interrupt-parent = <&intc>;
12 compatible = "brcm,bcm2835-dma";
25 /* dma channel 11-14 share one irq */
32 interrupt-names = "dma0",
47 "dma-shared-all";
48 #dma-cells = <1>;
49 brcm,dma-channel-mask = <0x7f35>;
52 intc: interrupt-controller@7e00b200 {
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Dbcm2711.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/soc/bcm2835-pm.h>
10 #address-cells = <2>;
11 #size-cells = <1>;
13 interrupt-parent = <&gicv2>;
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
22 compatible = "fixed-clock";
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Dbcm2835-rpi-b.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-smsc9512.dtsi"
6 #include "bcm283x-rpi-usb-host.dtsi"
9 compatible = "raspberrypi,model-b", "brcm,bcm2835";
26 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
34 gpio-line-names = "SDA0",
92 pinctrl-0 = <&gpioout &alt0>;
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Dbcm2835-rpi-zero.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
7 #include "bcm2835.dtsi"
8 #include "bcm2835-rpi.dtsi"
9 #include "bcm283x-rpi-usb-otg.dtsi"
12 compatible = "raspberrypi,model-zero", "brcm,bcm2835";
36 gpio-line-names = "ID_SDA",
93 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
102 &hdmi {
103 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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Dbcm2835-rpi-b-plus.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-smsc9514.dtsi"
6 #include "bcm283x-rpi-usb-host.dtsi"
9 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
25 default-state = "keep";
26 linux,default-trigger = "default-on";
33 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
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Dbcm2835-rpi-b-rev2.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-smsc9512.dtsi"
6 #include "bcm283x-rpi-usb-host.dtsi"
9 compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
26 * Taken from Raspberry-Pi-Rev-2.0-Model-AB-Schematics.pdf
34 gpio-line-names = "SDA0",
91 pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
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Dbcm2835-rpi-a.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-usb-host.dtsi"
8 compatible = "raspberrypi,model-a", "brcm,bcm2835";
25 * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
33 gpio-line-names = "SDA0",
91 pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
100 &hdmi {
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Dbcm2835-rpi-a-plus.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-usb-host.dtsi"
8 compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
24 default-state = "keep";
25 linux,default-trigger = "default-on";
39 gpio-line-names = "ID_SDA",
96 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
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Dbcm2835-rpi-cm1-io1.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835-rpi-cm1.dtsi"
4 #include "bcm283x-rpi-usb-host.dtsi"
7 compatible = "raspberrypi,compute-module", "brcm,bcm2835";
20 gpio-line-names = "GPIO0",
77 pinctrl-0 = <&gpioout &alt0>;
80 &hdmi {
81 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
82 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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Dbcm2835-rpi-zero-w.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
7 #include "bcm2835.dtsi"
8 #include "bcm2835-rpi.dtsi"
9 #include "bcm283x-rpi-usb-otg.dtsi"
12 compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
22 stdout-path = "serial1:115200n8";
31 wifi_pwrseq: wifi-pwrseq {
32 compatible = "mmc-pwrseq-simple";
33 reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
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Dbcm2711-rpi-4-b.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-usb-peripheral.dtsi"
7 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
10 compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
15 stdout-path = "serial1:115200n8";
38 default-state = "keep";
39 linux,default-trigger = "default-on";
43 wifi_pwrseq: wifi-pwrseq {
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/Linux-v5.10/drivers/staging/vc04_services/bcm2835-audio/
Dbcm2835.c1 // SPDX-License-Identifier: GPL-2.0
10 #include "bcm2835.h"
18 MODULE_PARM_DESC(enable_hdmi, "Enables HDMI virtual audio device");
42 return -ENOMEM; in bcm2835_devm_add_vchi_ctx()
79 err = snd_bcm2835_new_pcm(chip, "bcm2835 ALSA", 0, AUDIO_DEST_AUTO, in bcm2835_audio_alsa_newpcm()
80 numchannels - 1, false); in bcm2835_audio_alsa_newpcm()
84 err = snd_bcm2835_new_pcm(chip, "bcm2835 IEC958/HDMI", 1, 0, 1, true); in bcm2835_audio_alsa_newpcm()
104 .shortname = "bcm2835 ALSA",
105 .longname = "bcm2835 ALSA",
116 .shortname = "bcm2835 HDMI",
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Dbcm2835-ctl.c1 // SPDX-License-Identifier: GPL-2.0
9 #include "bcm2835.h"
13 #define CTRL_VOL_MIN -10239 /* originally -10240 */
21 if (chip->alsa_stream[i]) { in bcm2835_audio_set_chip_ctls()
22 err = bcm2835_audio_set_ctls(chip->alsa_stream[i]); in bcm2835_audio_set_chip_ctls()
33 if (kcontrol->private_value == PCM_PLAYBACK_VOLUME) { in snd_bcm2835_ctl_info()
34 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in snd_bcm2835_ctl_info()
35 uinfo->count = 1; in snd_bcm2835_ctl_info()
36 uinfo->value.integer.min = CTRL_VOL_MIN; in snd_bcm2835_ctl_info()
37 uinfo->value.integer.max = CTRL_VOL_MAX; /* 2303 */ in snd_bcm2835_ctl_info()
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/Linux-v5.10/Documentation/devicetree/bindings/clock/
Dbrcm,bcm2835-cprman.txt1 Broadcom BCM2835 CPRMAN clocks
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 of the BCM2835. There is a level of PLLs deriving from an external
9 few PLLs, and a level of mostly-generic clock generators sourcing from
11 clock generators, but a few (like the ARM or HDMI) will source from
15 - compatible: should be one of the following,
16 "brcm,bcm2711-cprman"
17 "brcm,bcm2835-cprman"
18 - #clock-cells: Should be <1>. The permitted clock-specifier values can be
19 found in include/dt-bindings/clock/bcm2835.h
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/Linux-v5.10/drivers/gpu/drm/vc4/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
18 VC4 GPU, such as the Raspberry Pi or other BCM2708/BCM2835.
25 bool "Broadcom VC4 HDMI CEC Support"
Dvc4_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * DOC: VC4 Falcon HDMI module
12 * The HDMI core has a state machine and a PHY. On BCM2835, most of
16 * HDMI infoframes are kept within a small packet ram, where each
19 * HDMI audio is implemented entirely within the HDMI IP block. A
20 * register in the HDMI encoder takes SPDIF frames from the DMA engine
21 * and transfers them over an internal MAI (multi-channel audio
25 * The driver's HDMI encoder does not yet support power management.
26 * The HDMI encoder's power domain and the HSM/pixel clocks are kept
27 * continuously running, and only the HDMI logic and packet ram are
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Dvc4_crtc.c1 // SPDX-License-Identifier: GPL-2.0-only
21 * image domain can feed either HDMI or the SDTV controller. The
22 * pixel valve chooses from the CPRMAN clocks (HSM for HDMI, VEC for
27 * output-specific clock. Since the encoders also directly consume
49 #define CRTC_WRITE(offset, val) writel(val, vc4_crtc->regs + (offset))
50 #define CRTC_READ(offset) readl(vc4_crtc->regs + (offset))
72 /* Top/base are supposed to be 4-pixel aligned, but the in vc4_crtc_get_cob_allocation()
79 return top - base + 4; in vc4_crtc_get_cob_allocation()
88 struct drm_device *dev = crtc->dev; in vc4_crtc_get_scanout_position()
91 struct vc4_crtc_state *vc4_crtc_state = to_vc4_crtc_state(crtc->state); in vc4_crtc_get_scanout_position()
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Dvc4_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-2015 Broadcom
11 * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly
12 * configurable display output pipeline that supports HDMI, DSI, DPI,
16 * compute shader-style jobs using the same shader processor as is
26 #include <linux/dma-mapping.h>
58 map = devm_ioremap_resource(&dev->dev, res); in vc4_ioremap_regs()
74 if (args->pad != 0) in vc4_get_param_ioctl()
75 return -EINVAL; in vc4_get_param_ioctl()
77 if (!vc4->v3d) in vc4_get_param_ioctl()
[all …]
Dvc4_vec.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * PAL and PAL-M or NTSC and NTSC-J.
173 #define VEC_READ(offset) readl(vec->regs + (offset))
174 #define VEC_WRITE(offset, val) writel(val, vec->regs + (offset))
319 struct drm_connector_state *state = connector->state; in vc4_vec_connector_get_modes()
322 mode = drm_mode_duplicate(connector->dev, in vc4_vec_connector_get_modes()
323 vc4_vec_tv_modes[state->tv.mode].mode); in vc4_vec_connector_get_modes()
326 return -ENOMEM; in vc4_vec_connector_get_modes()
353 vec_connector = devm_kzalloc(dev->dev, sizeof(*vec_connector), in vc4_vec_connector_init()
356 return ERR_PTR(-ENOMEM); in vc4_vec_connector_init()
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/Linux-v5.10/drivers/soc/bcm/
Draspberrypi-power.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <dt-bindings/power/raspberrypi-power.h>
14 #include <soc/bcm2835/raspberrypi-firmware.h>
55 packet.domain = rpi_domain->domain; in rpi_firmware_set_power()
57 return rpi_firmware_property(rpi_domain->fw, in rpi_firmware_set_power()
58 rpi_domain->old_interface ? in rpi_firmware_set_power()
83 struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index]; in rpi_common_init_power_domain()
85 dom->fw = rpi_domains->fw; in rpi_common_init_power_domain()
87 dom->base.name = name; in rpi_common_init_power_domain()
88 dom->base.power_on = rpi_domain_on; in rpi_common_init_power_domain()
[all …]
Dbcm2835-power.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Power domain driver for Broadcom BCM2835
8 #include <dt-bindings/soc/bcm2835-pm.h>
12 #include <linux/mfd/bcm2835-pm.h>
16 #include <linux/reset-controller.h>
109 #define PM_READ(reg) readl(power->base + (reg))
110 #define PM_WRITE(reg, val) writel(PM_PASSWORD | (val), power->base + (reg))
129 #define ASB_READ(reg) readl(power->asb + (reg))
130 #define ASB_WRITE(reg, val) writel(PM_PASSWORD | (val), power->asb + (reg))
164 if (ktime_get_ns() - start >= 1000) in bcm2835_asb_enable()
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/Linux-v5.10/drivers/clk/bcm/
Dclk-bcm2835.c1 // SPDX-License-Identifier: GPL-2.0+
8 * DOC: BCM2835 CPRMAN (clock manager for the "audio" domain)
13 * and "HDMI displays". Those 5 PLLs each can divide their output to
15 * be consumed by other hardware components (like "H264" or "HDMI
27 #include <linux/clk-provider.h>
37 #include <dt-bindings/clock/bcm2835.h>
44 # define CM_DIV_FRAC_MASK GENMASK(CM_DIV_FRAC_BITS - 1, 0)
252 # define A2W_PLL_FRAC_MASK ((1 << A2W_PLL_FRAC_BITS) - 1)
336 writel(CM_PASSWORD | val, cprman->regs + reg); in cprman_write()
341 return readl(cprman->regs + reg); in cprman_read()
[all …]
/Linux-v5.10/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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