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/linux-6.14.4/Documentation/devicetree/bindings/display/
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 <[email protected]>
15 - brcm,bcm2835-v3d
16 - brcm,cygnus-v3d
27 power-domains:
31 - compatible
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/linux-6.14.4/arch/arm/boot/dts/broadcom/
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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Dbcm2835-rpi-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations that interact with RPi's
8 #include <dt-bindings/power/raspberrypi-power.h>
13 clock-names = "pixel", "hdmi";
16 &v3d {
17 power-domains = <&power RPI_POWER_DOMAIN_V3D>;
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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Dbcm2711-rpi.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "bcm2835-rpi.dtsi"
4 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
20 i2c0mux: i2c-mux0 {
21 compatible = "i2c-mux-pinctrl";
22 #address-cells = <1>;
23 #size-cells = <0>;
25 i2c-parent = <&i2c0>;
27 pinctrl-names = "i2c0", "i2c0-vc";
28 pinctrl-0 = <&i2c0_gpio0>;
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/linux-6.14.4/Documentation/devicetree/bindings/soc/bcm/
Dbrcm,bcm2835-pm.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-pm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: BCM2835 PM (Power domains, watchdog)
14 - Nicolas Saenz Julienne <[email protected]>
17 - $ref: /schemas/watchdog/watchdog.yaml#
22 - enum:
23 - brcm,bcm2835-pm
24 - brcm,bcm2711-pm
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/linux-6.14.4/drivers/gpu/drm/vc4/
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
16 * compute shader-style jobs using the same shader processor as is
27 #include <linux/dma-mapping.h>
41 #include <soc/bcm2835/raspberrypi-firmware.h>
68 int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); in vc4_dumb_fixup_args()
70 if (args->pitch < min_pitch) in vc4_dumb_fixup_args()
71 args->pitch = min_pitch; in vc4_dumb_fixup_args()
73 if (args->size < args->pitch * args->height) in vc4_dumb_fixup_args()
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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()
130 if (WARN_ON_ONCE(vc4->gen > VC4_GEN_4)) in vc4_v3d_pm_get()
131 return -ENODEV; in vc4_v3d_pm_get()
133 mutex_lock(&vc4->power_lock); in vc4_v3d_pm_get()
134 if (vc4->power_refcount++ == 0) { in vc4_v3d_pm_get()
135 int ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); in vc4_v3d_pm_get()
138 vc4->power_refcount--; in vc4_v3d_pm_get()
139 mutex_unlock(&vc4->power_lock); in vc4_v3d_pm_get()
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Dvc4_crtc.c1 // SPDX-License-Identifier: GPL-2.0-only
27 * output-specific clock. Since the encoders also directly consume
57 writel(val, vc4_crtc->regs + (offset)); \
63 readl(vc4_crtc->regs + (offset)); \
85 struct vc4_hvs *hvs = vc4->hvs; in vc4_crtc_get_cob_allocation()
88 /* Top/base are supposed to be 4-pixel aligned, but the in vc4_crtc_get_cob_allocation()
93 if (vc4->gen >= VC4_GEN_6_C) { in vc4_crtc_get_cob_allocation()
103 return top - base + 4; in vc4_crtc_get_cob_allocation()
112 struct drm_device *dev = crtc->dev; in vc4_crtc_get_scanout_position()
114 struct vc4_hvs *hvs = vc4->hvs; in vc4_crtc_get_scanout_position()
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Dvc4_txp.c1 // SPDX-License-Identifier: GPL-2.0
31 /* Base address of the output. Raster formats must be 4-byte aligned,
32 * T and LT must be 16-byte aligned or maybe utile-aligned (docs are
37 /* Pitch in bytes for raster images, 16-byte aligned. For tiled, it's
41 /* For T-tiled imgaes, DST_PITCH should be the number of tiles wide,
45 /* For LT-tiled images, DST_PITCH should be the number of utiles wide,
50 /* Pre-rotation width/height of the image. Must match HVS config.
52 * If TFORMAT and 32-bit, limit is 1920 for 32-bit and 3840 to 16-bit
53 * and width/height must be tile or utile-aligned as appropriate. If
69 /* Bits 22-23 are set to 0x01 */
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/linux-6.14.4/Documentation/gpu/
Dvc4.rst5 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c
16 ----------------------
18 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c
22 ---
24 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c
28 ----------
30 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_plane.c
34 ------------
36 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hdmi.c
40 -----------
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/linux-6.14.4/drivers/pmdomain/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 bool old_interface = rpi_domain->old_interface; in rpi_firmware_set_power()
59 packet.domain = rpi_domain->domain; in rpi_firmware_set_power()
62 ret = rpi_firmware_property(rpi_domain->fw, old_interface ? in rpi_firmware_set_power()
67 dev_err(&domain->dev, "Failed to set %s to %u (%d)\n", in rpi_firmware_set_power()
70 dev_dbg(&domain->dev, "Set %s to %u\n", in rpi_firmware_set_power()
89 struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index]; in rpi_common_init_power_domain()
91 dom->fw = rpi_domains->fw; in rpi_common_init_power_domain()
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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))
154 void __iomem *base = power->asb; in bcm2835_asb_control()
163 if (power->rpivid_asb) in bcm2835_asb_control()
164 base = power->rpivid_asb; in bcm2835_asb_control()
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/linux-6.14.4/drivers/clk/bcm/
Dclk-raspberrypi.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Even though clk-bcm2835 provides an interface to the hardware registers for
8 * over-temperature and under-voltage protections provided by the firmware.
14 #include <linux/clk-provider.h>
19 #include <soc/bcm2835/raspberrypi-firmware.h>
26 [RPI_FIRMWARE_V3D_CLK_ID] = "v3d",
35 [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
161 * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
174 .id = cpu_to_le32(data->id), in raspberrypi_clock_property()
191 struct raspberrypi_clk *rpi = data->rpi; in raspberrypi_fw_is_prepared()
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Dclk-bcm2835.c1 // SPDX-License-Identifier: GPL-2.0+
8 * DOC: BCM2835 CPRMAN (clock manager for the "audio" domain)
27 #include <linux/clk-provider.h>
38 #include <dt-bindings/clock/bcm2835.h>
45 # define CM_DIV_FRAC_MASK GENMASK(CM_DIV_FRAC_BITS - 1, 0)
253 # define A2W_PLL_FRAC_MASK ((1 << A2W_PLL_FRAC_BITS) - 1)
337 writel(CM_PASSWORD | val, cprman->regs + reg); in cprman_write()
342 return readl(cprman->regs + reg); in cprman_read()
355 spin_lock(&cprman->regs_lock); in bcm2835_measure_tcnt_mux()
372 dev_err(cprman->dev, "timeout waiting for OSCCOUNT\n"); in bcm2835_measure_tcnt_mux()
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/linux-6.14.4/
DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-[email protected]
88 F: drivers/scsi/3w-*
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