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/linux/Documentation/devicetree/bindings/mfd/
H A Dgateworks-gsc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/gateworks-gsc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The Gateworks System Controller (GSC) is a device present across various
14 - Watchdog Timer
15 - GPIO
16 - Pushbutton controller
17 - Hardware monitor with ADC's for temperature and voltage rails and
18 fan controller
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/linux/drivers/hwmon/
H A Dgsc-hwmon.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/hwmon-sysfs.h>
9 #include <linux/mfd/gsc.h>
26 struct gsc_dev *gsc; member
59 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_show()
63 ret = regmap_bulk_read(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_show()
77 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_store()
83 return -EINVAL; in pwm_auto_point_temp_store()
90 err = regmap_bulk_write(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_store()
103 return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10))); in pwm_auto_point_pwm_show()
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/linux/Documentation/hwmon/
H A Dgsc-hwmon.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Kernel driver gsc-hwmon
6 Supported chips: Gateworks GSC
7 Datasheet: http://trac.gateworks.com/wiki/gsc
11 ------------
14 various ADC's connected to the GSC, and optional FAN controller available
19 ------------------
22 on the GSC version and firmware. The values returned by the driver do not need
30 ----------------------
32 Temperatures are measured with 12-bit or 10-bit resolution and are scaled
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-gw5912.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
22 stdout-path = &uart2;
25 gpio-keys {
26 compatible = "gpio-keys";
28 user-pb {
34 user-pb1x {
37 interrupt-parent = <&gsc>;
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H A Dimx6qdl-gw54xx.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/sound/fsl-imx-audmux.h>
28 compatible = "pwm-backlight";
30 brightness-levels = <0 4 8 16 32 64 128 255>;
31 default-brightness-level = <7>;
34 gpio-keys {
35 compatible = "gpio-keys";
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/linux/drivers/mfd/
H A Dgateworks-gsc.c1 // SPDX-License-Identifier: GPL-2.0
3 * The Gateworks System Controller (GSC) is a multi-function
6 * system functions such as push-button monitoring, multiple ADC's for
7 * voltage and temperature monitoring, fan controller and watchdog monitor.
15 #include <linux/mfd/gsc.h>
26 * The GSC suffers from an errata where occasionally during
40 * -EAGAIN returned when the i2c host controller is busy in gsc_write()
41 * -EIO returned when i2c device is busy in gsc_write()
43 if (ret != -EAGAIN && ret != -EIO) in gsc_write()
59 * -EAGAIN returned when the i2c host controller is busy in gsc_read()
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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