| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/leds/ |
| H A D | leds-bcm6358.txt | 5 which can either be controlled by software (exporting the 74x164 as spi-gpio.
6 See Documentation/devicetree/bindings/gpio/gpio-74x164.txt), or
10 - compatible : should be "brcm,bcm6358-leds".
11 - #address-cells : must be 1.
12 - #size-cells : must be 0.
13 - reg : BCM6358 LED controller address and size.
16 - brcm,clk-div : SCK signal divider. Possible values are 1, 2, 4 and 8.
18 - brcm,clk-dat-low : Boolean, makes clock and data signals active low.
21 Each LED is represented as a sub-node of the brcm,bcm6358-leds device.
23 LED sub-node required properties:
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| H A D | leds-bcm6328.txt | 7 as spi-gpio. See Documentation/devicetree/bindings/gpio/gpio-74x164.txt), or
10 exporting the 74x164 as spi-gpio prevents those LEDs to be hardware
18 explained later in brcm,link-signal-sources). Even if a LED is hardware
24 - compatible : should be "brcm,bcm6328-leds".
25 - #address-cells : must be 1.
26 - #size-cells : must be 0.
27 - reg : BCM6328 LED controller address and size.
30 - brcm,serial-leds : Boolean, enables Serial LEDs.
32 - brcm,serial-mux : Boolean, enables Serial LEDs multiplexing.
34 - brcm,serial-clk-low : Boolean, makes clock signal active low.
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| /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/leds/ |
| H A D | leds-bcm6358.txt | 5 which can either be controlled by software (exporting the 74x164 as spi-gpio.
6 See Documentation/devicetree/bindings/gpio/gpio-74x164.txt), or
10 - compatible : should be "brcm,bcm6358-leds".
11 - #address-cells : must be 1.
12 - #size-cells : must be 0.
13 - reg : BCM6358 LED controller address and size.
16 - brcm,clk-div : SCK signal divider. Possible values are 1, 2, 4 and 8.
18 - brcm,clk-dat-low : Boolean, makes clock and data signals active low.
21 Each LED is represented as a sub-node of the brcm,bcm6358-leds device.
23 LED sub-node required properties:
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| H A D | leds-bcm6328.txt | 7 as spi-gpio. See Documentation/devicetree/bindings/gpio/gpio-74x164.txt), or
10 exporting the 74x164 as spi-gpio prevents those LEDs to be hardware
14 - compatible : should be "brcm,bcm6328-leds".
15 - #address-cells : must be 1.
16 - #size-cells : must be 0.
17 - reg : BCM6328 LED controller address and size.
20 - brcm,serial-leds : Boolean, enables Serial LEDs.
22 - brcm,serial-mux : Boolean, enables Serial LEDs multiplexing.
24 - brcm,serial-clk-low : Boolean, makes clock signal active low.
26 - brcm,serial-dat-low : Boolean, makes data signal active low.
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| /OK3568_Linux_fs/u-boot/arch/arm/mach-socfpga/ |
| H A D | freeze_controller.c | 4 * SPDX-License-Identifier: GPL-2.0+
36 writel(SYSMGR_FRZCTRL_SRC_VIO1_ENUM_SW, &freeze_controller_base->src); in sys_mgr_frzctrl_freeze_req()
41 &freeze_controller_base->vioctrl + channel_id); in sys_mgr_frzctrl_freeze_req()
44 * Assert active low enrnsl, plniotri in sys_mgr_frzctrl_freeze_req()
55 * Assert active low bhniotri signal and de-assert in sys_mgr_frzctrl_freeze_req()
56 * active high csrdone in sys_mgr_frzctrl_freeze_req()
69 * Assert active low enrnsl, plniotri and in sys_mgr_frzctrl_freeze_req()
76 clrbits_le32(&freeze_controller_base->hioctrl, reg_cfg_mask); in sys_mgr_frzctrl_freeze_req()
79 * assert active low bhniotri & nfrzdrv signals, in sys_mgr_frzctrl_freeze_req()
80 * de-assert active high csrdone and assert in sys_mgr_frzctrl_freeze_req()
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| /OK3568_Linux_fs/u-boot/arch/mips/dts/ |
| H A D | netgear,cg3100d.dts | 4 * SPDX-License-Identifier: GPL-2.0+
7 /dts-v1/;
20 stdout-path = "serial0:115200n8";
23 gpio-leds {
24 compatible = "gpio-leds";
48 active-low;
54 active-low;
60 active-low;
66 active-low;
72 active-low;
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| H A D | comtrend,vr-3032u.dts | 4 * SPDX-License-Identifier: GPL-2.0+
7 /dts-v1/;
12 model = "Comtrend VR-3032u";
13 compatible = "comtrend,vr-3032u", "brcm,bcm63268";
20 stdout-path = "serial0:115200n8";
26 brcm,serial-leds;
27 brcm,serial-dat-low;
28 brcm,serial-shift-inv;
32 active-low;
33 label = "VR-3032u:red:inet";
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| /OK3568_Linux_fs/kernel/Documentation/driver-api/gpio/ |
| H A D | intro.rst | 16 - The descriptor-based interface is the preferred way to manipulate GPIOs,
17 and is described by all the files in this directory excepted gpio-legacy.txt.
18 - The legacy integer-based interface which is considered deprecated (but still
19 usable for compatibility reasons) is documented in gpio-legacy.txt.
21 The remainder of this document applies to the new descriptor-based interface.
22 gpio-legacy.txt contains the same information applied to the legacy
23 integer-based interface.
29 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
37 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
38 non-dedicated pin can be configured as a GPIO; and most chips have at least
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/power/supply/ |
| H A D | max8903-charger.txt | 4 - compatible: "maxim,max8903" for MAX8903 Battery Charger
5 - dok-gpios: Valid DC power has been detected (active low, input), optional if uok-gpios is provided
6 - uok-gpios: Valid USB power has been detected (active low, input), optional if dok-gpios is provid…
9 - cen-gpios: Charge enable pin (active low, output)
10 - chg-gpios: Charger status pin (active low, input)
11 - flt-gpios: Fault pin (active low, output)
12 - dcm-gpios: Current limit mode setting (DC=1 or USB=0, output)
13 - usus-gpios: USB suspend pin (active high, output)
18 max8903-charger {
20 dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/ |
| H A D | tlv320adcx140.yaml | 1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Texas Instruments TLV320ADCX140 Quad Channel Analog-to-Digital Converter
11 - Dan Murphy <dmurphy@ti.com>
14 The TLV320ADCX140 are multichannel (4-ch analog recording or 8-ch digital
15 PDM microphones recording), high-performance audio, analog-to-digital
28 - const: ti,tlv320adc3140
29 - const: ti,tlv320adc5140
30 - const: ti,tlv320adc6140
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/net/ |
| H A D | mdio-mux-gpio.txt | 8 - compatible : mdio-mux-gpio.
9 - gpios : GPIO specifiers for each GPIO line. One or more must be specified.
16 compatible = "cavium,octeon-3860-mdio";
17 #address-cells = <1>;
18 #size-cells = <0>;
23 An NXP sn74cbtlv3253 dual 1-of-4 switch controlled by a
27 mdio-mux {
28 compatible = "mdio-mux-gpio";
30 mdio-parent-bus = <&smi1>;
31 #address-cells = <1>;
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| H A D | mdio-mux.txt | 8 - #address-cells = <1>;
9 - #size-cells = <0>;
12 - mdio-parent-bus : phandle to the parent MDIO bus.
14 - Other properties specific to the multiplexer/switch hardware.
17 - #address-cells = <1>;
18 - #size-cells = <0>;
19 - reg : The sub-bus number.
26 compatible = "cavium,octeon-3860-mdio";
27 #address-cells = <1>;
28 #size-cells = <0>;
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| /OK3568_Linux_fs/kernel/arch/mips/boot/dts/brcm/ |
| H A D | bcm63268-comtrend-vr-3032u.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
7 compatible = "comtrend,vr-3032u", "brcm,bcm63268";
8 model = "Comtrend VR-3032u";
17 stdout-path = &uart0;
23 brcm,serial-leds;
24 brcm,serial-dat-low;
25 brcm,serial-shift-inv;
29 brcm,hardware-controlled;
30 brcm,link-signal-sources = <0>;
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| H A D | bcm6358-neufbox4-sercomm.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
7 compatible = "sfr,nb4-ser", "brcm,bcm6358";
17 stdout-path = &uart0;
26 active-low;
27 label = "nb4-ser:white:alarm";
31 active-low;
32 label = "nb4-ser:white:tv";
36 active-low;
37 label = "nb4-ser:white:tel";
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| /OK3568_Linux_fs/kernel/arch/arm/boot/dts/ |
| H A D | qcom-mdm9615-wp8548-mangoh-green.dts | 7 * This file is dual-licensed: you can use it either under the terms
46 #include <dt-bindings/input/input.h>
48 #include "qcom-mdm9615-wp8548.dtsi"
49 #include <dt-bindings/interrupt-controller/irq.h>
50 #include <dt-bindings/gpio/gpio.h>
54 compatible = "swir,mangoh-green-wp8548", "swir,wp8548", "qcom,mdm9615";
65 stdout-path = "serial1:115200n8";
71 * - 2 : GPIOEXP_INT2
72 * - 7 : IOT1_GPIO2
73 * - 8 : IOT0_GPIO4
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/i2c/ |
| H A D | st,st-mipid02.txt | 1 STMicroelectronics MIPID02 CSI-2 to PARALLEL bridge
3 MIPID02 has two CSI-2 input ports, only one of those ports can be active at a
4 time. Active port input stream will be de-serialized and its content outputted
6 CSI-2 first input port is a dual lane 800Mbps per lane whereas CSI-2 second
11 YUV420 8-bit, YUV422 8-bit and YUV420 10-bit.
14 - compatible: shall be "st,st-mipid02"
15 - clocks: reference to the xclk input clock.
16 - clock-names: shall be "xclk".
17 - VDDE-supply: sensor digital IO supply. Must be 1.8 volts.
18 - VDDIN-supply: sensor internal regulator supply. Must be 1.8 volts.
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| H A D | ov7670.txt | 8 - compatible: should be "ovti,ov7670"
9 - clocks: reference to the xclk input clock.
10 - clock-names: should be "xclk".
13 - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
14 - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
17 - reset-gpios: reference to the GPIO connected to the resetb pin, if any.
18 Active is low.
19 - powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
20 Active is high.
21 - ov7670,pclk-hb-disable: a boolean property to suppress pixel clock output
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| /OK3568_Linux_fs/u-boot/drivers/video/ |
| H A D | am335x-fb.h | 2 * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> -
3 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
5 * SPDX-License-Identifier: GPL-2.0+
30 * 0 = DE is low-active
31 * 1 = DE is high-active
34 * 0 = pix-clk is high-active
35 * 1 = pic-clk is low-active
38 * 0 = HSYNC is active high
39 * 1 = HSYNC is avtive low
42 * 0 = VSYNC is active high
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| /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/video/ |
| H A D | display-timing.txt | 1 display-timing bindings
4 display-timings node
5 --------------------
8 - none
11 - native-mode: The native mode for the display, in case multiple modes are
15 --------------
18 - hactive, vactive: display resolution
19 - hfront-porch, hback-porch, hsync-len: horizontal display timing parameters
21 vfront-porch, vback-porch, vsync-len: vertical display timing parameters in
23 - clock-frequency: display clock in Hz
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| /OK3568_Linux_fs/kernel/include/linux/ |
| H A D | lp.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * usr/include/linux/lp.h c.1991-1992 James Wiegand
16 /* Magic numbers for defining port-device mappings */
17 #define LP_PARPORT_UNSPEC -4
18 #define LP_PARPORT_AUTO -3
19 #define LP_PARPORT_OFF -2
20 #define LP_PARPORT_NONE -1
26 #define LP_IRQ(minor) lp_table[(minor)].dev->port->irq /* interrupt # */
33 #define LP_BASE(x) lp_table[(x)].dev->port->base
71 * signals are active low. An example is LP_STROBE, which must be programmed
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/video/ |
| H A D | rockchip_mipidsi_lcd.txt | 1 Device-Tree bindings for rockchip mipi dsi lcd driver
4 - rockchip,screen_init: Whether you need this screen initialization.
8 - rockchip,dsi_lane: mipi lcd data lane number.
10 - rockchip,dsi_hs_clk: mipi lcd high speed clock.
12 - rockchip,mipi_dsi_num: mipi lcd dsi number.
14 - mipi_lcd_rst:mipi_lcd_rst: Should specify pin control groups used for reset this lcd.
16 - mipi_lcd_en:mipi_lcd_en: Should specify pin control groups used for enable this lcd.
18 - rockchip,gpios: gpio pin
20 - rockchip,delay: delay the millisecond.
22 - rockchip,cmd_debug : debug the cammands.
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/power/reset/ |
| H A D | gpio-restart.txt | 6 handler. If the optional properties 'open-source' is not found, the GPIO line
11 priority order. The gpio is configured as an output, and driven active,
13 inactive->active edge condition, triggering positive edge triggered
14 reset. After a delay specified by active-delay, the GPIO is set to
15 inactive, thus causing an active->inactive edge, triggering negative edge
16 triggered reset. After a delay specified by inactive-delay, the GPIO
17 is driven active again. After a delay specified by wait-delay, the
21 - compatible : should be "gpio-restart".
22 - gpios : The GPIO to set high/low, see "gpios property" in
24 low to reset the board set it to "Active Low", otherwise set
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| H A D | gpio-poweroff.txt | 9 When the power-off handler is called, the gpio is configured as an
10 output, and drive active, so triggering a level triggered power off
11 condition. This will also cause an inactive->active edge condition, so
13 the GPIO is set to inactive, thus causing an active->inactive edge,
15 delay the GPIO is driver active again. If the power is still on and
19 - compatible : should be "gpio-poweroff".
20 - gpios : The GPIO to set high/low, see "gpios property" in
22 low to power down the board set it to "Active Low", otherwise set
23 gpio to "Active High".
26 - input : Initially configure the GPIO line as an input. Only reconfigure
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| /OK3568_Linux_fs/kernel/Documentation/firmware-guide/acpi/ |
| H A D | gpio-properties.rst | 1 .. SPDX-License-Identifier: GPL-2.0
31 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
34 Package () {"reset-gpios", Package() {^BTH, 1, 1, 0 }},
35 Package () {"shutdown-gpios", Package() {^BTH, 0, 0, 0 }},
55 active low or high, the "active_low" argument can be used here. Setting
56 it to 1 marks the GPIO as active low.
61 In our Bluetooth example the "reset-gpios" refers to the second GpioIo()
74 Explicit x (no _DSD) as Pull Bias (Up == High, Down == Low),
75 assuming non-active (Polarity = !Pull Bias)
76 Down Low as low, assuming active
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| /OK3568_Linux_fs/kernel/include/linux/mfd/ |
| H A D | dm355evm_msp.h | 2 * dm355evm_msp.h - support MSP430 microcontroller on DM355EVM board
43 #define DM355EVM_MSP_LED 0x03 /* active low (MSP P4) */
50 # define MSP_SWITCH1_MSP_INT BIT(5) /* active low */
59 # define MSP_SDMMC_0_CD BIT(2) /* active low */
61 # define MSP_SDMMC_1_CD BIT(4) /* active low */
64 # define MSP_VIDEO_IMAGER BIT(7) /* low == tvp5146 */
74 /* input event queue registers; code == ((HIGH << 8) | LOW) */
75 #define DM355EVM_MSP_INPUT_COUNT 0x16 /* decrement by reading LOW */
|