bindings/mfd/google%2Ccros-ec.yaml

1 # 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>
22       - description:
24         const: google,cros-ec-i2c
25       - description:
27         const: google,cros-ec-spi
28       - description:
31           - const: google,cros-ec-fp
32           - const: google,cros-ec-spi
33       - description:
35         const: google,cros-ec-rpmsg
36       - description:
38         const: google,cros-ec-uart
40   controller-data: true
42   google,cros-ec-spi-pre-delay:
44       This property specifies the delay in usecs between the
49   google,cros-ec-spi-msg-delay:
51       This property specifies the delay in usecs between messages.
55   google,has-vbc-nvram:
62   mediatek,rpmsg-name:
64       Must be defined if the cros-ec is a rpmsg device for a Mediatek
65       ARM Cortex M4 Co-processor. Contains the name of the rpmsg
70   spi-max-frequency: true
78   reset-gpios:
81   boot0-gpios:
85   vdd-supply: true
87   wakeup-source:
88     description: Button can wake-up the system.
90   '#address-cells':
93   '#size-cells':
96   '#gpio-cells':
99   gpio-controller: true
102     $ref: /schemas/chrome/google,cros-ec-typec.yaml#
104   ec-pwm:
105     $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
109     $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
111   kbd-led-backlight:
112     $ref: /schemas/chrome/google,cros-kbd-led-backlight.yaml#
114   keyboard-controller:
115     $ref: /schemas/input/google,cros-ec-keyb.yaml#
118     $ref: /schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml#
125       '#address-cells':
128       '#size-cells':
132       "^ec-codec@[a-f0-9]+$":
134         $ref: /schemas/sound/google,cros-ec-codec.yaml#
137       - "#address-cells"
138       - "#size-cells"
149         const: google,cros-cbas
152       - compatible
157   "^i2c-tunnel[0-9]*$":
159     $ref: /schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
161   "^regulator@[0-9]+$":
163     $ref: /schemas/regulator/google,cros-ec-regulator.yaml#
165   "^extcon[0-9]*$":
167     $ref: /schemas/extcon/extcon-usbc-cros-ec.yaml#
170   - compatible
173   - if:
178               const: google,cros-ec-spi
181         controller-data: false
182         google,cros-ec-spi-pre-delay: false
183         google,cros-ec-spi-msg-delay: false
184         spi-max-frequency: false
186       $ref: /schemas/spi/spi-peripheral-props.yaml
188   - if:
193               const: google,cros-ec-rpmsg
196         mediatek,rpmsg-name: false
198   - if:
204                 - google,cros-ec-rpmsg
205                 - google,cros-ec-uart
208         - reg
209         - interrupts
211   - if:
215             const: google,cros-ec-fp
218         '#address-cells': false
219         '#size-cells': false
221         ec-pwm: false
222         kbd-led-backlight: false
223         keyboard-controller: false
229         "^i2c-tunnel[0-9]*$": false
230         "^regulator@[0-9]+$": false
231         "^extcon[0-9]*$": false
237         - reset-gpios
238         - boot0-gpios
239         - vdd-supply
242         reset-gpios: false
243         boot0-gpios: false
244         vdd-supply: false
250   - |
251     #include <dt-bindings/gpio/gpio.h>
252     #include <dt-bindings/interrupt-controller/irq.h>
255         #address-cells = <1>;
256         #size-cells = <0>;
258         cros-ec@1e {
259             compatible = "google,cros-ec-i2c";
262             interrupt-parent = <&gpio0>;
267   - |
268     #include <dt-bindings/gpio/gpio.h>
269     #include <dt-bindings/interrupt-controller/irq.h>
272         #address-cells = <1>;
273         #size-cells = <0>;
275         cros-ec@0 {
276             compatible = "google,cros-ec-spi";
278             google,cros-ec-spi-msg-delay = <30>;
279             google,cros-ec-spi-pre-delay = <10>;
281             interrupt-parent = <&gpio7>;
282             spi-max-frequency = <5000000>;
283             #gpio-cells = <2>;
284             gpio-controller;
287                 compatible = "google,cros-ec-mkbp-proximity";
291                 compatible = "google,cros-cbas";
297   - |
299         cros-ec {
300             compatible = "google,cros-ec-rpmsg";
305   - |
307       #address-cells = <0x1>;
308       #size-cells = <0x0>;
311         compatible = "google,cros-ec-fp", "google,cros-ec-spi";
313         interrupt-parent = <&gpio_controller>;
315         spi-max-frequency = <3000000>;
316         reset-gpios = <&gpio_controller 5 GPIO_ACTIVE_LOW>;
317         boot0-gpios = <&gpio_controller 10 GPIO_ACTIVE_HIGH>;
318         vdd-supply = <&pp3300_fp_mcu>;
323   - |
325         cros-ec {
326             compatible = "google,cros-ec-uart";