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/linux/include/linux/pse-pd/
H A Dpse.h1 // SPDX-License-Identifier: GPL-2.0-only
15 /* Maximum current in uA according to IEEE 802.3-2022 Table 145-1 */
17 /* Maximum power in mW according to IEEE 802.3-2022 Table 145-16 */
25 /* C33 PSE extended state and substate. */
46 * struct pse_irq_desc - notification sender description for IRQ based events.
49 * @map_event: driver callback to map IRQ status into PSE devices with events.
59 * struct pse_control_config - PSE control/channel configuration.
61 * @podl_admin_control: set PoDL PSE admin control as described in
62 * IEEE 802.3-2018 30.15.1.2.1 acPoDLPSEAdminControl
63 * @c33_admin_control: set PSE admin control as described in
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/linux/drivers/net/pse-pd/
H A Dpse_core.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/pse-pd/pse.h>
27 * struct pse_control - a PSE control
28 * @pcdev: a pointer to the PSE controller device
29 * this PSE control belongs to
30 * @ps: PSE PI supply of the PSE control
31 * @list: list entry for the pcdev's PSE controller list
32 * @id: ID of the PSE line in the PSE controller device
34 * @attached_phydev: PHY device pointer attached by the PSE control
46 * struct pse_power_domain - a PSE power domain
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H A Dtps23881.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for the TI TPS23881 PoE PSE Controller driver (I2C bus)
16 #include <linux/pse-pd/pse.h>
94 * @param chan: The channel number (0-7).
114 * @param chan: The channel number (0-7).
141 struct i2c_client *client = priv->client; in tps23881_pi_set_pw_pol_limit()
146 chan = priv->port[id].chan[0]; in tps23881_pi_set_pw_pol_limit()
150 /* One chan is enough to configure the 4p PI power limit */ in tps23881_pi_set_pw_pol_limit()
167 struct i2c_client *client = priv->client; in tps23881_pi_enable_manual_pol()
180 chan = priv->port[id].chan[0]; in tps23881_pi_enable_manual_pol()
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H A Dpd692x0.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for the Microchip PD692X0 PoE PSE Controller driver (I2C bus)
14 #include <linux/pse-pd/pse.h>
106 /* Template list of communication messages. The non-null bytes defined here
197 msg->echo = echo++; in pd692x0_build_msg()
201 for (i = 0; i < sizeof(*msg) - sizeof(msg->chksum); i++) in pd692x0_build_msg()
204 msg->chksum = cpu_to_be16(chksum); in pd692x0_build_msg()
211 const struct i2c_client *client = priv->client; in pd692x0_send_msg()
214 if (msg->key == PD692X0_KEY_CMD && priv->last_cmd_key) { in pd692x0_send_msg()
217 cmd_msleep = 30 - jiffies_to_msecs(jiffies - priv->last_cmd_key_time); in pd692x0_send_msg()
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/linux/Documentation/networking/pse-pd/
H A Dpse-pi.rst1 .. SPDX-License-Identifier: GPL-2.0
3 PSE Power Interface (PSE PI) Documentation
6 The Power Sourcing Equipment Power Interface (PSE PI) plays a pivotal role in
9 eight-pin modular jack, commonly known as the Ethernet RJ45 port. This
14 ---------------------------
16 The IEEE 802.3 standard provides detailed documentation on the PSE PI.
19 - Section "33.2.3 PI pin assignments" covers the pin assignments for PoE
21 - Section "145.2.4 PSE PI" addresses the configuration for PoE systems that
24 PSE PI and Single Pair Ethernet
25 -------------------------------
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H A Dindex.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Power Sourcing Equipment (PSE) Documentation
10 pse-pi
/linux/Documentation/devicetree/bindings/net/pse-pd/
H A Dpse-controller.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/pse-pd/pse-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Power Sourcing Equipment (PSE).
9 description: Binding for the Power Sourcing Equipment (PSE) as defined in the
11 power over twisted pair/ethernet cable. The ethernet-pse nodes should be
12 used to describe PSE controller and referenced by the ethernet-phy node.
15 - Oleksij Rempel <o.rempel@pengutronix.de>
16 - Kory Maincent <kory.maincent@bootlin.com>
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H A Dti,tps23881.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/pse-pd/ti,tps23881.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kory Maincent <kory.maincent@bootlin.com>
13 - $ref: pse-controller.yaml#
18 - ti,tps23881
26 '#pse-cells':
29 reset-gpios:
35 be referenced by PSE PIs through their "pairsets" property. The actual
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H A Dmicrochip,pd692x0.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/pse-pd/microchip,pd692x0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kory Maincent <kory.maincent@bootlin.com>
13 - $ref: pse-controller.yaml#
18 - microchip,pd69200
19 - microchip,pd69210
20 - microchip,pd69220
25 vdd-supply:
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/linux/drivers/reset/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 via GPIOs or SoC-internal reset controller modules.
94 GPIOs. Typically for OF platforms this driver expects "reset-gpios"
97 If compiled as module, it will be called reset-gpio.
146 Support for the Canaan Kendryte K210 RISC-V SoC reset controller.
155 Support for the Canaan Kendryte K230 RISC-V SoC reset controller.
227 tristate "Raspberry Pi 4 Firmware Reset Driver"
231 Raspberry Pi 4's co-processor controls some of the board's HW
234 interfacing with RPi4's co-processor and model these firmware
272 - Altera SoCFPGAs
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/linux/drivers/net/ethernet/amd/
H A Dariadne.c4 * © Copyright 1995-2003 by Geert Uytterhoeven (geert@linux-m68k.org)
7 * ---------------------------------------------------------------------------
12 * Written 1993-94 by Donald Becker.
14 * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller
18 * MC68230: Parallel Interface/Timer (PI/T)
21 * ---------------------------------------------------------------------------
27 * ---------------------------------------------------------------------------
29 * The Ariadne is a Zorro-II board made by Village Tronic. It contains:
31 * - an Am79C960 PCnet-ISA Single-Chip Ethernet Controller with both
32 * 10BASE-2 (thin coax) and 10BASE-T (UTP) connectors
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H A Dariadne.h4 * © Copyright 1995 by Geert Uytterhoeven (geert@linux-m68k.org)
8 * ----------------------------------------------------------------------------------
13 * Written 1993-94 by Donald Becker.
15 * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller
19 * MC68230: Parallel Interface/Timer (PI/T)
22 * ----------------------------------------------------------------------------------
28 * ----------------------------------------------------------------------------------
30 * The Ariadne is a Zorro-II board made by Village Tronic. It contains:
32 * - an Am79C960 PCnet-ISA Single-Chip Ethernet Controller with both
33 * 10BASE-2 (thin coax) and 10BASE-T (UTP) connectors
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/linux/drivers/gpio/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
50 this symbol, but new drivers should use the generic gpio-regmap
60 non-sleeping contexts. They can make bitbanged serial protocols
81 numberspace-based functionalities of the sysfs interface.
137 Enables support for the idio-16 library functions. The idio-16 library
139 ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
141 If built as a module its name will be gpio-idio-16.
147 tristate "GPIO driver for 74xx-ICs with MMIO access"
151 Say yes here to support GPIO functionality for 74xx-compatible ICs
166 If driver is built as a module it will be called gpio-altera.
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/linux/arch/x86/kvm/vmx/
H A Dvmx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Kernel-based Virtual Machine driver for Linux
5 * This module enables machines with Intel VT-x extensions to run virtual
50 #include <asm/spec-ctrl.h>
80 MODULE_DESCRIPTION("KVM support for VMX (Intel VT-x) extensions");
143 /* Guest_tsc -> host_tsc conversion requires 64-bit division. */
170 * These 2 parameters are used to config the controls for Pause-Loop Exiting:
186 /* Default doubles per-vcpu window every exit. */
190 /* Default resets per-vcpu window every exit to ple_window. */
198 /* Default is SYSTEM mode, 1 for host-guest mode (which is BROKEN) */
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