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/openbmc/linux/Documentation/devicetree/bindings/i2c/
H A Dgoogle,cros-ec-i2c-tunnel.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: I2C bus that tunnels through the ChromeOS EC (cros-ec)
11 - Doug Anderson <dianders@chromium.org>
12 - Benson Leung <bleung@chromium.org>
18 those devices we need to tunnel our i2c commands through the EC.
20 The node for this device should be under a cros-ec node like
21 google,cros-ec-spi or google,cros-ec-i2c.
[all …]
/openbmc/linux/drivers/i2c/busses/
H A Di2c-cros-ec-tunnel.c1 // SPDX-License-Identifier: GPL-2.0+
2 // Expose an I2C passthrough to the ChromeOS EC.
8 #include <linux/i2c.h>
17 * struct ec_i2c_device - Driver data for I2C tunnel
20 * @adap: I2C adapter
22 * @remote_bus: The EC bus number we tunnel to on the other side.
39 * ec_i2c_count_message - Count bytes needed for ec_i2c_construct_message
41 * @i2c_msgs: The i2c messages to read
42 * @num: The number of i2c messages.
61 * ec_i2c_construct_message - construct a message to go to the EC
[all …]
H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the i2c bus drivers.
7 obj-$(CONFIG_I2C_SCMI) += i2c-scmi.o
9 # Auxiliary I2C/SMBus modules
10 obj-$(CONFIG_I2C_CCGX_UCSI) += i2c-ccgx-ucsi.o
13 obj-$(CONFIG_I2C_ALI1535) += i2c-ali1535.o
14 obj-$(CONFIG_I2C_ALI1563) += i2c-ali1563.o
15 obj-$(CONFIG_I2C_ALI15X3) += i2c-ali15x3.o
16 obj-$(CONFIG_I2C_AMD756) += i2c-amd756.o
17 obj-$(CONFIG_I2C_AMD756_S4882) += i2c-amd756-s4882.o
[all …]
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 menu "I2C Hardware Bus support"
16 for Cypress CCGx Type-C controller. Individual bus drivers
25 controller is part of the 7101 device, which is an ACPI-compliant
29 will be called i2c-ali1535.
37 controller is part of the 7101 device, which is an ACPI-compliant
41 will be called i2c-ali1563.
48 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
51 will be called i2c-ali15x3.
58 756/766/768 mainboard I2C interfaces. The driver also includes
[all …]
/openbmc/linux/Documentation/devicetree/bindings/display/bridge/
H A Dgoogle,cros-ec-anx7688.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/google,cros-ec-anx7688.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ChromeOS EC ANX7688 HDMI to DP Converter through Type-C Port
10 - Nicolas Boichat <drinkcat@chromium.org>
14 DisplayPort 1.3 Ultra-HDi (4096x2160p60). It is an Analogix ANX7688 chip
16 (See google,cros-ec.yaml). It is accessed using I2C tunneling through
17 the EC and therefore its node should be a child of an EC I2C tunnel node
18 (See google,cros-ec-i2c-tunnel.yaml).
[all …]
/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Dgoogle,cros-ec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benson Leung <bleung@chromium.org>
11 - Guenter Roeck <groeck@chromium.org>
16 The EC can be connected through various interfaces (I2C, SPI, and others)
22 - description:
23 For implementations of the EC connected through I2C.
24 const: google,cros-ec-i2c
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/openbmc/linux/arch/arm64/boot/dts/qcom/
H A Dsc7280-idp-ec-h1.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
11 pinctrl-0 = <&qup_spi10_data_clk>, <&qup_spi10_cs_gpio_init_high>, <&qup_spi10_cs_gpio>;
12 cs-gpios = <&tlmm 43 GPIO_ACTIVE_LOW>;
15 compatible = "google,cros-ec-spi";
17 interrupt-parent = <&tlmm>;
19 pinctrl-names = "default";
20 pinctrl-0 = <&ap_ec_int_l>;
21 spi-max-frequency = <3000000>;
24 compatible = "google,cros-ec-pwm";
25 #pwm-cells = <1>;
[all …]
/openbmc/u-boot/drivers/i2c/
H A DKconfig2 # I2C subsystem configuration
5 menu "I2C support"
8 bool "Enable Driver Model for I2C drivers"
11 Enable driver model for I2C. The I2C uclass interface: probe, read,
15 is defined in include/i2c.h. When i2c bus driver supports the i2c
20 bool "Enable I2C compatibility layer"
23 Enable old-style I2C functions for compatibility with existing code.
29 tristate "Chrome OS EC tunnel I2C bus"
32 This provides an I2C bus that will tunnel i2c commands through to
33 the other side of the Chrome OS EC to the I2C bus connected there.
[all …]
H A Dcros_ec_tunnel.c1 // SPDX-License-Identifier: GPL-2.0+
11 #include <i2c.h>
29 return cros_ec_i2c_tunnel(dev->parent, i2c_bus->remote_bus, msg, nmsgs); in cros_ec_i2c_xfer()
35 const void *blob = gd->fdt_blob; in cros_ec_i2c_ofdata_to_platdata()
38 i2c_bus->remote_bus = fdtdec_get_uint(blob, node, "google,remote-bus", in cros_ec_i2c_ofdata_to_platdata()
50 { .compatible = "google,cros-ec-i2c-tunnel" },
H A Dcros_ec_ldo.c1 // SPDX-License-Identifier: GPL-2.0+
11 #include <i2c.h>
29 if (!nmsgs || !msg->len || (msg->flags & I2C_M_RD)) { in cros_ec_ldo_xfer()
34 fet_id = msg->buf[0] - REG_FET_BASE; in cros_ec_ldo_xfer()
43 ret = cros_ec_get_ldo(dev->parent, fet_id, &state); in cros_ec_ldo_xfer()
48 bool on = msg->buf[1] & FET_CTRL_ENFET; in cros_ec_ldo_xfer()
50 ret = cros_ec_set_ldo(dev->parent, fet_id, on); in cros_ec_ldo_xfer()
57 return -ENOSYS; in cros_ec_ldo_xfer()
66 { .compatible = "google,cros-ec-ldo-tunnel" },
/openbmc/u-boot/arch/arm/dts/
H A Dexynos5800-peach-pi.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * SAMSUNG/GOOGLE Peach-Pit board device tree source
9 /dts-v1/;
14 cpu-model = "Exynos5800";
16 compatible = "google,pit-rev#", "google,pit",
20 google,bad-wake-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
21 hwid = "PIT TEST A-A 7848";
22 lazy-init = <1>;
28 pmic = "/i2c@12CA0000";
33 compatible = "pwm-backlight";
[all …]
H A Drk3288-veyron-chromebook.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/clock/rockchip,rk808.h>
9 #include <dt-bindings/input/input.h>
10 #include "rk3288-veyron.dtsi"
19 gpio_keys: gpio-keys {
20 pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;
25 linux,input-type = <5>; /* EV_SW */
26 debounce-interval = <1>;
27 gpio-key,wakeup;
31 gpio-charger {
[all …]
H A Dexynos5420-peach-pit.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * SAMSUNG/GOOGLE Peach-Pit board device tree source
9 /dts-v1/;
11 #include <dt-bindings/clock/maxim,max77802.h>
12 #include <dt-bindings/regulator/maxim,max77802.h>
17 compatible = "google,pit-rev#", "google,pit",
21 google,bad-wake-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
22 hwid = "PIT TEST A-A 7848";
23 lazy-init = <1>;
29 pmic = "/i2c@12CA0000";
[all …]
H A Dexynos5250-spring.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/input/input.h>
20 i2c0 = "/i2c@12C60000";
21 i2c1 = "/i2c@12C70000";
22 i2c2 = "/i2c@12C80000";
23 i2c3 = "/i2c@12C90000";
24 i2c4 = "/i2c@12CA0000";
[all …]
H A Dtegra124-nyan.dtsi1 #include <dt-bindings/input/input.h>
6 rtc0 = "/i2c@7000d000/pmic@40";
19 vdd-supply = <&vdd_3v3_hdmi>;
20 pll-supply = <&vdd_hdmi_pll>;
21 hdmi-supply = <&vdd_5v0_hdmi>;
23 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
24 nvidia,hpd-gpio =
36 vdd-supply = <&vdd_3v3_panel>;
50 i2c@7000c000 {
52 clock-frequency = <100000>;
[all …]
H A Drk3399-gru.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * Copyright 2016-2017 Google, Inc
8 #include <dt-bindings/input/input.h>
10 #include "rk3399-op1-opp.dtsi"
14 u-boot,dm-pre-reloc;
15 stdout-path = "serial2:115200n8";
16 u-boot,spl-boot-order = &spi_flash;
20 u-boot,spl-payload-offset = <0x40000>;
29 * - Rails that only connect to the EC (or devices that the EC talks to)
31 * - Rails _are_ included if the rails go to the AP even if the AP
[all …]
/openbmc/linux/arch/arm/boot/dts/rockchip/
H A Drk3288-veyron-chromebook.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 #include <dt-bindings/clock/rockchip,rk808.h>
10 #include <dt-bindings/input/input.h>
11 #include "rk3288-veyron.dtsi"
12 #include "rk3288-veyron-analog-audio.dtsi"
13 #include "rk3288-veyron-edp.dtsi"
14 #include "rk3288-veyron-sdmmc.dtsi"
22 gpio-charger {
23 compatible = "gpio-charger";
24 charger-type = "mains";
[all …]
/openbmc/linux/Documentation/netlink/specs/
H A Dethtool.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 protocol: genetlink-legacy
10 -
11 name: udp-tunnel-type
12 enum-name:
14 entries: [ vxlan, geneve, vxlan-gpe ]
15 -
20 attribute-sets:
21 -
24 -
[all …]
/openbmc/linux/arch/arm/boot/dts/nvidia/
H A Dtegra124-nyan.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/input/input.h>
3 #include <dt-bindings/thermal/thermal.h>
8 rtc0 = "/i2c@7000d000/pmic@40";
14 stdout-path = "serial0:115200n8";
20 * missing a unit-address. However, the bootloader on these Chromebook
22 * Adding the unit-address causes the bootloader to create a /memory
34 /delete-node/ memory@80000000;
40 vdd-supply = <&vdd_3v3_hdmi>;
41 pll-supply = <&vdd_hdmi_pll>;
[all …]
H A Dtegra124-venice2.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
12 rtc0 = "/i2c@7000d000/pmic@40";
18 stdout-path = "serial0:115200n8";
29 vdd-supply = <&vdd_3v3_hdmi>;
30 pll-supply = <&vdd_hdmi_pll>;
31 hdmi-supply = <&vdd_5v0_hdmi>;
33 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
34 nvidia,hpd-gpio =
[all …]
/openbmc/linux/drivers/clk/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
50 This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
79 depends on I2C
88 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
98 multi-function device has one fixed-rate oscillator, clocked
123 depends on I2C
129 be pre-programmed to support other configurations and features not yet
134 depends on I2C
142 depends on I2C
[all …]
/openbmc/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-gru.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * Copyright 2016-2017 Google, Inc
8 #include <dt-bindings/input/input.h>
10 #include "rk3399-op1-opp.dtsi"
19 stdout-path = "serial2:115200n8";
28 * - Rails that only connect to the EC (or devices that the EC talks to)
30 * - Rails _are_ included if the rails go to the AP even if the AP
39 * - The EC controls the enable and the EC always enables a rail as
41 * - The rails are actually connected to each other by a jumper and
46 ppvar_sys: ppvar-sys {
[all …]
/openbmc/linux/arch/arm/boot/dts/samsung/
H A Dexynos5420-peach-pit.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/clock/maxim,max77802.h>
13 #include <dt-bindings/regulator/maxim,max77802.h>
14 #include <dt-bindings/sound/samsung-i2s.h>
16 #include "exynos5420-cpus.dtsi"
21 compatible = "google,pit-rev16",
[all …]
H A Dexynos5800-peach-pi.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/clock/maxim,max77802.h>
13 #include <dt-bindings/regulator/maxim,max77802.h>
14 #include <dt-bindings/sound/samsung-i2s.h>
16 #include "exynos5420-cpus.dtsi"
21 compatible = "google,pi-rev16",
[all …]
/openbmc/linux/drivers/gpio/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
47 this symbol, but new drivers should use the generic gpio-regmap
57 non-sleeping contexts. They can make bitbanged serial protocols
108 # This symbol is selected by both I2C and SPI expanders
118 Enables support for the idio-16 library functions. The idio-16 library
120 ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
122 If built as a module its name will be gpio-idio-16.
128 tristate "GPIO driver for 74xx-ICs with MMIO access"
132 Say yes here to support GPIO functionality for 74xx-compatible ICs
149 If driver is built as a module it will be called gpio-altera.
[all …]

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