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/openbmc/linux/Documentation/devicetree/bindings/display/
H A 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#
7 title: Broadcom VC4 (VideoCore4) GPU
10 - Eric Anholt <eric@anholt.net>
13 The VC4 device present on the Raspberry Pi includes a display system
20 - brcm,bcm2711-vc5
21 - brcm,bcm2835-vc4
22 - brcm,cygnus-vc4
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H A Dbrcm,bcm2835-pixelvalve0.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-pixelvalve0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) PixelValve
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2835-pixelvalve0
16 - brcm,bcm2835-pixelvalve1
17 - brcm,bcm2835-pixelvalve2
18 - brcm,bcm2711-pixelvalve0
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H A Dbrcm,bcm2835-vec.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-vec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) VEC
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2711-vec
16 - brcm,bcm2835-vec
27 power-domains:
31 - compatible
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H A Dbrcm,bcm2835-txp.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-txp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) TXP (writeback) Controller
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-txp
23 - compatible
24 - reg
25 - interrupts
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H A Dbrcm,bcm2835-v3d.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-v3d.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) V3D GPU
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2835-v3d
16 - brcm,cygnus-v3d
27 power-domains:
31 - compatible
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H A Dbrcm,bcm2835-dpi.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-dpi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) DPI Controller
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-dpi
21 - description: The core clock the unit runs on
22 - description: The pixel clock that feeds the pixelvalve
24 clock-names:
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H A Dbrcm,bcm2835-hvs.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hvs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) Hardware Video Scaler
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2711-hvs
16 - brcm,bcm2835-hvs
29 - compatible
30 - reg
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H A Dbrcm,bcm2835-dsi0.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-dsi0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) DSI Controller
10 - Eric Anholt <eric@anholt.net>
13 - $ref: dsi-controller.yaml#
16 "#clock-cells":
21 - brcm,bcm2711-dsi1
22 - brcm,bcm2835-dsi0
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H A 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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/openbmc/linux/drivers/gpu/drm/vc4/
H A Dvc4_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-2015 Broadcom
8 * DOC: Broadcom VC4 Graphics Driver
11 * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly
16 * compute shader-style jobs using the same shader processor as is
26 #include <linux/dma-mapping.h>
39 #include <soc/bcm2835/raspberrypi-firmware.h>
46 #define DRIVER_NAME "vc4"
47 #define DRIVER_DESC "Broadcom VC4 graphics"
67 int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); in vc4_dumb_fixup_args()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Broadcom VC4 Graphics"
24 VC4 GPU, such as the Raspberry Pi or other BCM2708/BCM2835.
31 bool "Broadcom VC4 HDMI CEC Support"
35 Choose this option if you have a Broadcom VC4 GPU
39 tristate "KUnit tests for VC4" if !KUNIT_ALL_TESTS
44 This builds unit tests for the VC4 DRM/KMS driver. This option is
46 developers working on the VC4 driver.
50 Documentation/dev-tools/kunit/.
H A Dvc4_v3d.c1 // SPDX-License-Identifier: GPL-2.0-only
99 struct drm_debugfs_entry *entry = m->private; in vc4_v3d_debugfs_ident()
100 struct drm_device *dev = entry->dev; in vc4_v3d_debugfs_ident()
101 struct vc4_dev *vc4 = to_vc4_dev(dev); in vc4_v3d_debugfs_ident() local
102 int ret = vc4_v3d_pm_get(vc4); in vc4_v3d_debugfs_ident()
117 vc4_v3d_pm_put(vc4); in vc4_v3d_debugfs_ident()
128 vc4_v3d_pm_get(struct vc4_dev *vc4) in vc4_v3d_pm_get() argument
130 if (WARN_ON_ONCE(vc4->is_vc5)) in vc4_v3d_pm_get()
131 return -ENODEV; in vc4_v3d_pm_get()
133 mutex_lock(&vc4->power_lock); in vc4_v3d_pm_get()
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H A Dvc4_hvs.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 HVS module.
31 #include <soc/bcm2835/raspberrypi-firmware.h>
72 struct drm_device *drm = &hvs->vc4->base; in vc4_hvs_dump_state()
73 struct drm_printer p = drm_info_printer(&hvs->pdev->dev); in vc4_hvs_dump_state()
79 drm_print_regset32(&p, &hvs->regset); in vc4_hvs_dump_state()
85 readl((u32 __iomem *)hvs->dlist + i + 0), in vc4_hvs_dump_state()
86 readl((u32 __iomem *)hvs->dlist + i + 1), in vc4_hvs_dump_state()
87 readl((u32 __iomem *)hvs->dlist + i + 2), in vc4_hvs_dump_state()
88 readl((u32 __iomem *)hvs->dlist + i + 3)); in vc4_hvs_dump_state()
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H A Dvc4_crtc.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 CRTC module
9 * In VC4, the Pixel Valve is what most closely corresponds to the
27 * output-specific clock. Since the encoders also directly consume
57 writel(val, vc4_crtc->regs + (offset)); \
63 readl(vc4_crtc->regs + (offset)); \
83 vc4_crtc_get_cob_allocation(struct vc4_dev *vc4, unsigned int channel) in vc4_crtc_get_cob_allocation() argument
85 struct vc4_hvs *hvs = vc4->hvs; in vc4_crtc_get_cob_allocation()
87 /* Top/base are supposed to be 4-pixel aligned, but the in vc4_crtc_get_cob_allocation()
94 return top - base + 4; in vc4_crtc_get_cob_allocation()
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H A Dvc4_dpi.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 DPI module
9 * The VC4 DPI hardware supports MIPI DPI type 4 and Nokia ViSSI
10 * signals. On BCM2835, these can be routed out to GPIO0-27 with the
24 #include <linux/media-bus-format.h>
43 /* The format field takes the ORDER-shuffled pixel valve data and
79 /* Power gate to the device, full reset at 0 -> 1 transition */
106 readl(dpi->regs + (offset)); \
112 writel(val, dpi->regs + (offset)); \
122 struct drm_device *dev = encoder->dev; in vc4_dpi_encoder_disable()
[all …]
H A Dvc4_dsi.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 DSI0/DSI1 module
9 * BCM2835 contains two DSI modules, DSI0 and DSI1. DSI0 is a
10 * single-lane DSI controller, while DSI1 is a more modern 4-lane DSI
16 * This driver has been tested for DSI1 video-mode display only
21 #include <linux/clk-provider.h>
25 #include <linux/dma-mapping.h>
146 * of going to LP-STOP.
149 /* Transmit blanking packet only during vblank, instead of allowing LP-STOP. */
151 /* Transmit blanking packet only during HFP, instead of allowing LP-STOP. */
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H A 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
21 * and transfers them over an internal MAI (multi-channel audio
50 #include <sound/hdmi-codec.h>
133 struct drm_display_info *display = &vc4_hdmi->connector.display_info; in vc4_hdmi_supports_scrambling()
135 lockdep_assert_held(&vc4_hdmi->mutex); in vc4_hdmi_supports_scrambling()
137 if (!display->is_hdmi) in vc4_hdmi_supports_scrambling()
140 if (!display->hdmi.scdc.supported || in vc4_hdmi_supports_scrambling()
141 !display->hdmi.scdc.scrambling.supported) in vc4_hdmi_supports_scrambling()
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/openbmc/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2835-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations.
8 interrupt-parent = <&intc>;
11 dma: dma-controller@7e007000 {
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>;
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H A 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>;
15 vc4: gpu { label
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
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/openbmc/linux/Documentation/gpu/
H A Dvc4.rst2 drm/vc4 Broadcom VC4 Graphics Driver
5 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c
6 :doc: Broadcom VC4 Graphics Driver
16 ----------------------
18 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c
19 :doc: VC4 CRTC module
22 ---
24 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c
25 :doc: VC4 HVS module.
28 ----------
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/openbmc/u-boot/arch/arm/dts/
H A Dbcm283x.dtsi1 #include <dt-bindings/pinctrl/bcm2835.h>
2 #include <dt-bindings/clock/bcm2835.h>
3 #include <dt-bindings/clock/bcm2835-aux.h>
4 #include <dt-bindings/gpio/gpio.h>
6 /* firmware-provided startup stubs live here, where the secondary CPUs are
12 * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
13 * bcm2835.dtsi and bcm2836.dtsi.
17 compatible = "brcm,bcm2835";
18 model = "BCM2835";
19 interrupt-parent = <&intc>;
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/openbmc/linux/Documentation/devicetree/bindings/gpio/
H A Draspberrypi,firmware-gpio.txt3 The Raspberry Pi 3 GPIO expander is controlled by the VC4 firmware. The
12 - compatible : Should be "raspberrypi,firmware-gpio"
13 - gpio-controller : Marks the device node as a gpio controller
14 - #gpio-cells : Should be two. The first cell is the pin number, and
21 firmware: firmware-rpi {
22 compatible = "raspberrypi,bcm2835-firmware";
26 compatible = "raspberrypi,firmware-gpio";
27 gpio-controller;
28 #gpio-cells = <2>;
/openbmc/qemu/include/hw/arm/
H A Draspi_platform.h2 * bcm2708 aka bcm2835/2836 aka Raspberry Pi/Pi2 SoC platform defines
5 * arch/arm/mach-{bcm2708,bcm2709}/include/mach/platform.h
23 * Various undocumented addresses and names come from Herman Hermitage's VC4
25 * https://github.com/hermanhermitage/videocoreiv/wiki/MMIO-Register-map
34 /* Registered machine type (matches RPi Foundation bootloader and U-Boot) */
37 #define TYPE_RASPI_BASE_MACHINE MACHINE_TYPE_NAME("raspi-base")
73 #define MPHI_OFFSET 0x6000 /* Message-based Parallel Host Intf. */
74 #define DMA_OFFSET 0x7000 /* DMA controller, channels 0-14 */
213 * TODO: this is really SoC-specific; we might want to
214 * set it per-SoC if it turns out any guests care.
/openbmc/linux/drivers/gpio/
H A Dgpio-raspberrypi-exp.c1 // SPDX-License-Identifier: GPL-2.0+
15 #include <soc/bcm2835/raspberrypi-firmware.h>
17 #define MODULE_NAME "raspberrypi-exp-gpio"
30 /* VC4 firmware mailbox interface data structures */
64 ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_GET_GPIO_CONFIG, in rpi_exp_gpio_get_polarity()
67 dev_err(gc->parent, "Failed to get GPIO %u config (%d %x)\n", in rpi_exp_gpio_get_polarity()
69 return ret ? ret : -EIO; in rpi_exp_gpio_get_polarity()
93 ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_SET_GPIO_CONFIG, in rpi_exp_gpio_dir_in()
96 dev_err(gc->parent, "Failed to set GPIO %u to input (%d %x)\n", in rpi_exp_gpio_dir_in()
98 return ret ? ret : -EIO; in rpi_exp_gpio_dir_in()
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/openbmc/openbmc/meta-raspberrypi/docs/
H A Dextra-build-config.md6 <http://www.yoctoproject.org/docs/latest/ref-manual/ref-manual.html>
32 See: <https://www.raspberrypi.com/documentation/computers/config_txt.html#memory-options>
34 ## VC4 section in Optional build configuration
36 …vc4` for graphics. This will in turn sets mesa as provider for `gl` libraries. `DISABLE_VC4GRAPHIC…
50 See: <https://www.raspberrypi.com/documentation/computers/config_txt.html#licence-key-and-codec-opt…
85 …b`. The "mmc" is required to load an image from the SD card, following the u-boot specification. S…
108 See: <https://www.raspberrypi.com/documentation/computers/config_txt.html#overclocking-options>
125 See: <https://www.raspberrypi.com/documentation/computers/configuration.html#hdmi-configuration>
140 This will enable the firmware to fall back to off-line compositing of Dispmanx
141 elements. Normally the compositing is done on-line, during scanout, but cannot
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