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/openbmc/linux/Documentation/devicetree/bindings/leds/
H A Dleds-bcm6358.txt5 which can either be controlled by software (exporting the 74x164 as spi-gpio.
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:
24 - reg : LED pin number (only LEDs 0 to 31 are valid).
[all …]
H A Dleds-bcm6328.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-bcm6328.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Álvaro Fernández Rojas <noltari@gmail.com>
17 as spi-gpio. See
21 exporting the 74x164 as spi-gpio prevents those LEDs to be hardware
29 explained later in brcm,link-signal-sources). Even if a LED is hardware
34 Each LED is represented as a sub-node of the brcm,bcm6328-leds device.
38 const: brcm,bcm6328-leds
[all …]
/openbmc/u-boot/doc/device-tree-bindings/leds/
H A Dleds-bcm6358.txt5 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:
[all …]
H A Dleds-bcm6328.txt7 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.
[all …]
/openbmc/u-boot/arch/arm/mach-socfpga/
H A Dfreeze_controller.c1 // SPDX-License-Identifier: GPL-2.0+
33 writel(SYSMGR_FRZCTRL_SRC_VIO1_ENUM_SW, &freeze_controller_base->src); in sys_mgr_frzctrl_freeze_req()
38 &freeze_controller_base->vioctrl + channel_id); in sys_mgr_frzctrl_freeze_req()
41 * Assert active low enrnsl, plniotri in sys_mgr_frzctrl_freeze_req()
52 * Assert active low bhniotri signal and de-assert in sys_mgr_frzctrl_freeze_req()
53 * active high csrdone in sys_mgr_frzctrl_freeze_req()
66 * Assert active low enrnsl, plniotri and in sys_mgr_frzctrl_freeze_req()
73 clrbits_le32(&freeze_controller_base->hioctrl, reg_cfg_mask); in sys_mgr_frzctrl_freeze_req()
76 * assert active low bhniotri & nfrzdrv signals, in sys_mgr_frzctrl_freeze_req()
77 * de-assert active high csrdone and assert in sys_mgr_frzctrl_freeze_req()
[all …]
/openbmc/u-boot/arch/mips/dts/
H A Dnetgear,dgnd3700v2.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
19 stdout-path = "serial0:115200n8";
22 gpio-leds {
23 compatible = "gpio-leds";
50 compatible = "brcm,enetsw-port";
53 brcm,phy-id = <0xff>;
55 full-duplex;
56 bypass-link;
70 brcm,serial-leds;
[all …]
H A Dnetgear,cg3100d.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
19 stdout-path = "serial0:115200n8";
22 gpio-leds {
23 compatible = "gpio-leds";
47 active-low;
53 active-low;
59 active-low;
65 active-low;
71 active-low;
[all …]
H A Dcomtrend,ar-5315u.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
11 model = "Comtrend AR-5315u";
12 compatible = "comtrend,ar5315-un", "brcm,bcm6318";
19 stdout-path = "serial0:115200n8";
31 compatible = "brcm,enetsw-port";
34 brcm,phy-id = <1>;
38 compatible = "brcm,enetsw-port";
41 brcm,phy-id = <2>;
45 compatible = "brcm,enetsw-port";
[all …]
H A Dcomtrend,vr-3032u.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
11 model = "Comtrend VR-3032u";
12 compatible = "comtrend,vr-3032u", "brcm,bcm63268";
19 stdout-path = "serial0:115200n8";
31 compatible = "brcm,enetsw-port";
34 brcm,phy-id = <1>;
38 compatible = "brcm,enetsw-port";
41 brcm,phy-id = <2>;
45 compatible = "brcm,enetsw-port";
[all …]
/openbmc/linux/Documentation/driver-api/gpio/
H A Dintro.rst16 - The descriptor-based interface is the preferred way to manipulate GPIOs,
18 - The legacy integer-based interface which is considered deprecated (but still
21 The remainder of this document applies to the new descriptor-based interface.
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
43 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
48 - Output values are writable (high=1, low=0). Some chips also have
50 value might be driven, supporting "wire-OR" and similar schemes for the
[all …]
/openbmc/linux/arch/arm/boot/dts/qcom/
H A Dqcom-mdm9615-wp8548-mangoh-green.dts1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
9 #include <dt-bindings/input/input.h>
11 #include "qcom-mdm9615-wp8548.dtsi"
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/gpio/gpio.h>
17 compatible = "swir,mangoh-green-wp8548", "swir,wp8548", "qcom,mdm9615";
28 stdout-path = "serial1:115200n8";
34 * - 2 : GPIOEXP_INT2
35 * - 7 : IOT1_GPIO2
36 * - 8 : IOT0_GPIO4
[all …]
/openbmc/linux/arch/mips/boot/dts/brcm/
H A Dbcm63268-comtrend-vr-3032u.dts1 // 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>;
[all …]
H A Dbcm6358-neufbox4-sercomm.dts1 // 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";
[all …]
/openbmc/linux/Documentation/devicetree/bindings/power/supply/
H A Dmaxim,max8903.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
19 dok-gpios:
21 description: Valid DC power has been detected (active low, input)
23 uok-gpios:
25 description: Valid USB power has been detected (active low, input)
27 cen-gpios:
[all …]
/openbmc/linux/Documentation/devicetree/bindings/net/
H A Dmdio-mux-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/mdio-mux-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
17 - $ref: /schemas/net/mdio-mux.yaml#
21 const: mdio-mux-gpio
30 - compatible
31 - gpios
36 - |
[all …]
/openbmc/openbmc/meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/files/
H A Dinit_once.sh5 if [ $# -ne 2 ]; then
17 # FM_BMC_READY_N, GPIO Q4, active low
20 # FM_BMC_SSB_SMI_LPC_N, GPIO Q6, active low
23 # FM_BMC_SYS_THROTTLE_N, GPIO A3, active low
26 # FM_BMC_SSB_SCI_LPC_N, GPIO E4, active low
29 # FP_PWR_BTN_PASS_R_N, GPIO D3, active low
/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Dtlv320adcx140.yaml1 # 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 - Andrew Davis <afd@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 - ti,tlv320adc3140
29 - ti,tlv320adc5140
30 - ti,tlv320adc6140
[all …]
/openbmc/u-boot/drivers/video/
H A Dam335x-fb.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2013-2018 Hannes Schmelzer <oe5hpm@oevsv.at> -
4 * B&R Industrial Automation GmbH - http://www.br-automation.com
29 * 0 = DE is low-active
30 * 1 = DE is high-active
33 * 0 = pix-clk is high-active
34 * 1 = pic-clk is low-active
37 * 0 = HSYNC is active high
38 * 1 = HSYNC is avtive low
41 * 0 = VSYNC is active high
[all …]
/openbmc/u-boot/doc/device-tree-bindings/video/
H A Ddisplay-timing.txt1 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
[all …]
/openbmc/linux/include/linux/
H A Dlp.h1 /* 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
[all …]
/openbmc/linux/Documentation/devicetree/bindings/media/i2c/
H A Dov7670.txt8 - 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
[all …]
H A Dtvp7002.txt7 - compatible : Must be "ti,tvp7002"
10 - hsync-active: HSYNC Polarity configuration for the bus. Default value when
13 - vsync-active: VSYNC Polarity configuration for the bus. Default value when
16 - pclk-sample: Clock polarity of the bus. Default value when this property is
19 - sync-on-green-active: Active state of Sync-on-green signal property of the
21 0 = Normal Operation (Active Low, Default)
24 - field-even-active: Active-high Field ID output polarity control of the bus.
27 0 = Normal Operation (Active Low, Default)
31 video-interfaces.txt.
44 hsync-active = <1>;
[all …]
/openbmc/linux/Documentation/devicetree/bindings/power/reset/
H A Dgpio-restart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-restart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
17 'open-source' is not found, the GPIO line will be driven in the inactive state. Otherwise its
21 is configured as an output, and driven active, triggering a level triggered reset condition.
22 This will also cause an inactive->active edge condition, triggering positive edge triggered
23 reset. After a delay specified by active-delay, the GPIO is set to inactive, thus causing an
24 active->inactive edge, triggering negative edge triggered reset. After a delay specified by
[all …]
/openbmc/linux/Documentation/hwmon/
H A Dds620.rst20 -----------
23 high and low temperature limits which can be user defined (i.e. programmed
24 into non-volatile on-chip registers). Temperature range is -55 degree Celsius
30 PO is always low. If .pomode == 1, the thermostat is in PO_LOW mode. I.e., the
31 output pin PO becomes active when the temperature falls below temp1_min and
32 stays active until the temperature goes above temp1_max.
35 output pin becomes active when the temperature goes above temp1_max and stays
36 active until the temperature falls below temp1_min.
38 The PO output pin of the DS620 operates active-low.
/openbmc/linux/drivers/watchdog/
H A Dwd501p.h1 /* SPDX-License-Identifier: GPL-1.0+ */
39 #define WDC_SR_WCCR 1 /* Active low */ /* X X X */
40 #define WDC_SR_TGOOD 2 /* X X - */
43 #define WDC_SR_FANGOOD 16 /* X - - */
44 #define WDC_SR_PSUOVER 32 /* Active low */ /* X X - */
45 #define WDC_SR_PSUUNDR 64 /* Active low */ /* X X - */
46 #define WDC_SR_IRQ 128 /* Active low */ /* X X X */

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