| /Linux-v6.1/include/linux/ |
| D | peci.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2018-2021 Intel Corporation */
13 * Currently we don't support any PECI command over 32 bytes.
21 * struct peci_controller_ops - PECI controller specific methods
22 * @xfer: PECI transfer function
24 * PECI controllers may have different hardware interfaces - the drivers
25 * implementing PECI controllers can use this structure to abstract away those
26 * differences by exposing a common interface for PECI core.
29 int (*xfer)(struct peci_controller *controller, u8 addr, struct peci_request *req);
33 * struct peci_controller - PECI controller
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| /Linux-v6.1/Documentation/devicetree/bindings/peci/ |
| D | peci-aspeed.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/peci/peci-aspeed.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Aspeed PECI Bus
10 - Iwona Winiarska <iwona.winiarska@intel.com>
11 - Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
14 - $ref: peci-controller.yaml#
19 - aspeed,ast2400-peci
20 - aspeed,ast2500-peci
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| D | peci-controller.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/peci/peci-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic for PECI
10 - Iwona Winiarska <iwona.winiarska@intel.com>
13 PECI (Platform Environment Control Interface) is an interface that provides a
19 pattern: "^peci-controller(@.*)?$"
21 cmd-timeout-ms:
28 - |
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| /Linux-v6.1/Documentation/peci/ |
| D | peci.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
7 The Platform Environment Control Interface (PECI) is a communication
9 (e.g. Baseboard Management Controller, BMC).
10 PECI provides services that allow the management controller to
13 controller is acting as a PECI originator and the processor - as
14 a PECI responder.
15 PECI can be used in both single processor and multiple-processor based
19 Intel PECI specification is not released as a dedicated document,
24 PECI Wire
25 ---------
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| /Linux-v6.1/drivers/peci/ |
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2018-2021 Intel Corporation
10 #include <linux/peci.h>
21 struct peci_controller *controller = to_peci_controller(dev); in peci_controller_dev_release() local
23 mutex_destroy(&controller->bus_lock); in peci_controller_dev_release()
24 ida_free(&peci_controller_ida, controller->id); in peci_controller_dev_release()
25 kfree(controller); in peci_controller_dev_release()
32 int peci_controller_scan_devices(struct peci_controller *controller) in peci_controller_scan_devices() argument
38 ret = peci_device_create(controller, addr); in peci_controller_scan_devices()
49 struct peci_controller *controller; in peci_controller_alloc() local
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 menuconfig PECI config
4 tristate "PECI support"
6 The Platform Environment Control Interface (PECI) is an interface
10 If you are building a Baseboard Management Controller (BMC) kernel
15 will be called peci.
17 if PECI
20 tristate "PECI CPU"
23 This option enables peci-cpu driver for Intel processors. It is
32 will be called peci-cpu.
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| D | device.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2018-2021 Intel Corporation
5 #include <linux/peci.h>
6 #include <linux/peci-cpu.h>
12 * PECI device can be removed using sysfs, but the removal can also happen as
13 * a result of controller being removed.
14 * Mutex is used to protect PECI device from being double-deleted.
29 * PECI device may be in a state where it is unable to return a proper in peci_get_revision()
37 return -EIO; in peci_get_revision()
103 device->info.family = peci_x86_cpu_family(cpu_id); in peci_device_info_init()
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| D | request.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/peci.h>
90 return req->rx.buf[0]; in peci_request_data_cc()
94 * peci_request_status() - return -errno based on PECI completion code
95 * @req: the PECI request that contains response data with completion code
97 * It can't be used for Ping(), GetDIB() and GetTemp() - for those commands we
100 * Return: -errno
107 dev_dbg(&req->device->dev, "ret: %#02x\n", cc); in peci_request_status()
115 return -EAGAIN; in peci_request_status()
117 return -EINVAL; in peci_request_status()
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| D | cpu.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/peci.h>
7 #include <linux/peci-cpu.h>
13 * peci_temp_read() - read the maximum die temperature from PECI target device
14 * @device: PECI device to which request is going to be sent
17 * It uses GetTemp PECI command.
38 * peci_pcs_read() - read PCS register
39 * @device: PECI device to which request is going to be sent
44 * It uses RdPkgConfig PECI command.
70 * peci_pci_local_read() - read 32-bit memory location using raw address
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| D | internal.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2018-2021 Intel Corporation */
15 /* PECI CPU address range 0x30-0x37 */
67 * struct peci_device_id - PECI device data to match
81 int peci_device_create(struct peci_controller *controller, u8 addr);
88 * struct peci_driver - PECI driver
92 * @id_table: PECI device match table to decide which device to bind
109 * peci_driver_register() - register PECI driver
112 * PECI drivers that don't need to do anything special in module init should
122 * module_peci_driver() - helper macro for registering a modular PECI driver
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| D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0-only
4 peci-y := core.o request.o device.o sysfs.o
5 obj-$(CONFIG_PECI) += peci.o
6 peci-cpu-y := cpu.o
7 obj-$(CONFIG_PECI_CPU) += peci-cpu.o
10 obj-y += controller/
|
| /Linux-v6.1/drivers/peci/controller/ |
| D | peci-aspeed.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2012-2017 ASPEED Technology Inc.
3 // Copyright (c) 2018-2021 Intel Corporation
10 #include <linux/clk-provider.h>
19 #include <linux/peci.h>
23 /* ASPEED PECI Registers */
124 struct peci_controller *controller; member
144 u32 val = readl(priv->base + ASPEED_PECI_CTRL); in aspeed_peci_controller_enable()
149 writel(val, priv->base + ASPEED_PECI_CTRL); in aspeed_peci_controller_enable()
157 writel(ASPEED_PECI_INT_MASK, priv->base + ASPEED_PECI_INT_STS); in aspeed_peci_init_regs()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
4 tristate "ASPEED PECI support"
10 This option enables PECI controller driver for ASPEED AST2400,
12 connected to it, and communicate with them using PECI protocol.
18 be called peci-aspeed.
|
| /Linux-v6.1/Documentation/devicetree/bindings/ |
| D | trivial-devices.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/trivial-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
27 spi-max-frequency: true
31 - enum:
32 … # SMBus/I2C Digital Temperature Sensor in 6-Pin SOT with SMBus Alert and Over Temperature Pin
33 - ad,ad7414
34 # ADM9240: Complete System Hardware Monitor for uProcessor-Based Systems
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| /Linux-v6.1/drivers/hwmon/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
20 sensors-detect script from the lm_sensors package. Read
21 <file:Documentation/hwmon/userspace-tools.rst> for details.
279 will be called as370-hwmon.
302 will be called axi-fan-control
311 lm-sensors 2.10.1 for proper userspace support.
346 Controller, which provides an accelerometer (Apple Sudden Motion
350 Only Intel-based Apple's computers are supported (MacBook Pro,
357 the laptop to act as a pinball machine-esque joystick.
372 will be called scmi-hwmon.
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| D | it87.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * it87.c - Part of lm_sensors, Linux kernel modules for hardware
6 * The IT8705F is an LPC-based Super I/O part that contains UARTs, a
7 * parallel port, an IR port, a MIDI port, a floppy controller, etc., in
8 * addition to an Environment Controller (Enhanced Hardware Monitor and
9 * Fan Controller)
11 * This driver supports only the Environment Controller in the IT8705F and
40 * Copyright (C) 2005-2010 Jean Delvare <jdelvare@suse.de>
52 #include <linux/hwmon-sysfs.h>
53 #include <linux/hwmon-vid.h>
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| /Linux-v6.1/arch/arm/boot/dts/ |
| D | aspeed-g4.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+
2 #include <dt-bindings/clock/aspeed-clock.h>
7 #address-cells = <1>;
8 #size-cells = <1>;
9 interrupt-parent = <&vic>;
35 #address-cells = <1>;
36 #size-cells = <0>;
39 compatible = "arm,arm926ej-s";
51 compatible = "simple-bus";
52 #address-cells = <1>;
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| D | aspeed-g6.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
6 #include <dt-bindings/clock/ast2600-clock.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
13 interrupt-parent = <&gic>;
43 #address-cells = <1>;
44 #size-cells = <0>;
45 enable-method = "aspeed,ast2600-smp";
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| D | aspeed-g5.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+
2 #include <dt-bindings/clock/aspeed-clock.h>
3 #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
8 #address-cells = <1>;
9 #size-cells = <1>;
10 interrupt-parent = <&vic>;
36 #address-cells = <1>;
37 #size-cells = <0>;
40 compatible = "arm,arm1176jzf-s";
52 compatible = "simple-bus";
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| /Linux-v6.1/Documentation/hwmon/ |
| D | it87.rst | 158 - Christophe Gauthron
159 - Jean Delvare <jdelvare@suse.de>
163 -----------------
176 misconfigured by BIOS - PWM values would be inverted. This option tries
181 -------------------
183 All the chips supported by this driver are LPC Super-I/O chips, accessed
184 through the LPC bus (ISA-like I/O ports). The IT8712F additionally has an
192 -----------
201 include an 'environment controller' with 3 temperature sensors, 3 fan
211 is stored in the Super-I/O configuration space. Due to technical limitations,
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| /Linux-v6.1/ |
| D | MAINTAINERS | 9 -------------------------
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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