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/Linux-v5.15/Documentation/devicetree/bindings/auxdisplay/
Darm,versatile-lcd.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/auxdisplay/arm,versatile-lcd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM Versatile Character LCD
10 - Linus Walleij <linus.walleij@linaro.org>
11 - Rob Herring <robh@kernel.org>
14 This binding defines the character LCD interface found on ARM Versatile AB
19 const: arm,versatile-lcd
27 clock-names:
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/Linux-v5.15/arch/arm/boot/dts/
Dversatile-ab.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
5 model = "ARM Versatile AB";
6 compatible = "arm,versatile-ab";
7 #address-cells = <1>;
8 #size-cells = <1>;
9 interrupt-parent = <&vic>;
19 stdout-path = &uart0;
28 #clock-cells = <0>;
29 compatible = "fixed-clock";
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Darm-realview-eb.dtsi23 #include <dt-bindings/interrupt-controller/irq.h>
24 #include <dt-bindings/gpio/gpio.h>
27 #address-cells = <1>;
28 #size-cells = <1>;
29 compatible = "arm,realview-eb";
49 compatible = "regulator-fixed";
50 regulator-name = "vmmc";
51 regulator-min-microvolt = <3300000>;
52 regulator-max-microvolt = <3300000>;
53 regulator-boot-on;
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Darm-realview-pb1176.dts23 /dts-v1/;
24 #include <dt-bindings/interrupt-controller/irq.h>
25 #include <dt-bindings/gpio/gpio.h>
28 #address-cells = <1>;
29 #size-cells = <1>;
31 compatible = "arm,realview-pb1176";
50 vmmc: regulator-vmmc {
51 compatible = "regulator-fixed";
52 regulator-name = "vmmc";
53 regulator-min-microvolt = <3300000>;
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 dtb-$(CONFIG_ARCH_ALPINE) += \
3 alpine-db.dtb
4 dtb-$(CONFIG_MACH_ARTPEC6) += \
5 artpec6-devboard.dtb
6 dtb-$(CONFIG_MACH_ASM9260) += \
7 alphascale-asm9260-devkit.dtb
9 dtb-$(CONFIG_SOC_AT91RM9200) += \
12 dtb-$(CONFIG_SOC_AT91SAM9) += \
14 at91-qil_a9260.dtb \
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/Linux-v5.15/drivers/gpu/drm/panel/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 tristate "ABT Y030XX067A 320x480 LCD panel"
17 Y030XX067A 320x480 3.0" panel as found in the YLM RG-280M, RG-300
18 and RG-99 handheld gaming consoles.
21 tristate "ARM Versatile panel driver"
26 This driver supports the ARM Versatile panels connected to ARM
28 in the Versatile family syscon registers.
47 TFT-LCD modules. The panel has a 1200x1920 resolution and uses
49 the host and has a built-in LED backlight.
75 This driver supports LVDS panels that don't require device-specific
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Dpanel-arm-versatile.c1 // SPDX-License-Identifier: GPL-2.0
3 * Panel driver for the ARM Versatile family reference designs from
9 * On the Versatile AB, these panels come mounted on daughterboards
14 * - The IB1 is a passive board where the display connector defines a
19 * - The IB2 is a more complex board intended for GSM phone development
23 * On the Versatile PB, a special CLCD adaptor board is available
24 * supporting the same displays as the Versatile AB, plus one more
45 * This configuration register in the Versatile and RealView
51 /* The Versatile can detect the connected panel type */
59 /* IB2 control register for the Versatile daughterboard */
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 obj-$(CONFIG_DRM_PANEL_ABT_Y030XX067A) += panel-abt-y030xx067a.o
3 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
4 obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o
5 obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o
6 obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
7 obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o
8 obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
9 obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
10 obj-$(CONFIG_DRM_PANEL_ELIDA_KD35T133) += panel-elida-kd35t133.o
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/Linux-v5.15/drivers/gpu/drm/pl111/
Dpl111_versatile.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Versatile family (ARM reference designs) handling for the PL11x.
5 * This is based on code and know-how in the previous frame buffer
6 * driver in drivers/video/fbdev/amba-clcd.c:
43 .compatible = "arm,core-module-integrator",
47 .compatible = "arm,versatile-sysreg",
51 .compatible = "arm,realview-eb-syscon",
55 .compatible = "arm,realview-pb1176-syscon",
59 .compatible = "arm,realview-pb11mp-syscon",
63 .compatible = "arm,realview-pba8-syscon",
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Dpl111_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
7 * Copyright (c) 2006-2008 Intel Corporation
15 * The PL110/PL111 is a simple LCD controller that can support TFT
29 * - Fix race between setting plane base address and getting IRQ for
32 * - Read back hardware state at boot to skip reprogramming the
33 * hardware when doing a no-op modeset.
35 * - Use the CLKSEL bit to support switching between the two external
40 #include <linux/dma-buf.h>
75 struct pl111_drm_dev_private *priv = dev->dev_private; in pl111_modeset_init()
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/Linux-v5.15/drivers/auxdisplay/
Darm-charlcd.c1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for the on-board character LCD found on some ARM reference boards
4 * This is basically an Hitachi HD44780 LCD with a custom IP block to drive it
21 #define DRIVERNAME "arm-charlcd"
57 * struct charlcd - Private data structure
63 * @complete: completion structure for the last LCD command
78 struct charlcd *lcd = data; in charlcd_interrupt() local
81 status = readl(lcd->virtbase + CHAR_STAT) & 0x01; in charlcd_interrupt()
83 writel(CHAR_RAW_CLEAR, lcd->virtbase + CHAR_RAW); in charlcd_interrupt()
85 complete(&lcd->complete); in charlcd_interrupt()
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DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
20 tristate "Character LCD core support" if COMPILE_TEST
22 This is the base system for character-based LCD displays.
25 This is some character LCD core interface that multiple drivers can
29 tristate "Common functions for HD44780 (and compatibles) LCD displays" if COMPILE_TEST
39 tristate "HD44780 Character LCD support"
44 The LCD is accessible through the /dev/lcd char device (10, 156).
50 tristate "KS0108 LCD Controller"
54 If you have a LCD controlled by one or more KS0108
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/Linux-v5.15/drivers/bus/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
37 Driver for the Broadcom Set Top Box System-on-a-chip internal bus
42 bool "Baikal-T1 APB-bus driver"
46 Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs.
53 errors counter. The counter and the APB-bus operations timeout can be
57 bool "Baikal-T1 AXI-bus driver"
61 AXI3-bus is the main communication bus connecting all high-speed
62 peripheral IP-cores with RAM controller and with MIPS P5600 cores on
63 Baikal-T1 SoC. Traffic arbitration is done by means of DW AMBA 3 AXI
114 cores. This bus is for per-CPU tightly coupled devices such as the
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/Linux-v5.15/drivers/regulator/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 managed regulators and simple non-configurable regulators.
65 They provide two I2C-controlled DC/DC step-down converters with
85 tristate "Active-semi act8865 voltage regulator"
90 This driver controls a active-semi act8865 voltage output
94 tristate "Active-semi ACT8945A voltage regulator"
97 This driver controls a active-semi ACT8945A voltage regulator
98 via I2C bus. The ACT8945A features three step-down DC/DC converters
99 and four low-dropout linear regulators, along with a ActivePath
110 tristate "Freescale i.MX on-chip ANATOP LDO regulators"
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/Linux-v5.15/drivers/clk/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
44 source "drivers/clk/versatile/Kconfig"
60 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
80 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
90 multi-function device has one fixed-rate oscillator, clocked
121 be pre-programmed to support other configurations and features not yet
170 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
180 For example, the CDCE925 contains two PLLs with spread-spectrum
190 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
241 clock. These multi-function devices have two (S2MPS14) or three
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/Linux-v5.15/drivers/mfd/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
66 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
69 called sun4i-gpadc.
88 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
99 individual components like LCD backlight, LEDs, GPIOs and Kepad
119 over at91-usart-serial driver and usart-spi-driver. Only one function
135 tristate "Atmel HLCDC (High-end LCD Controller)"
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/Linux-v5.15/
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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