cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

google,cros-ec-i2c-tunnel.yaml (1697B)

      1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4
      5$id: http://devicetree.org/schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
      6$schema: http://devicetree.org/meta-schemas/core.yaml#
      7
      8title: I2C bus that tunnels through the ChromeOS EC (cros-ec)
      9
     10maintainers:
     11  - Doug Anderson <dianders@chromium.org>
     12  - Benson Leung <bleung@chromium.org>
     13
     14description: |
     15  On some ChromeOS board designs we've got a connection to the EC
     16  (embedded controller) but no direct connection to some devices on the
     17  other side of the EC (like a battery and PMIC).  To get access to
     18  those devices we need to tunnel our i2c commands through the EC.
     19
     20  The node for this device should be under a cros-ec node like
     21  google,cros-ec-spi or google,cros-ec-i2c.
     22
     23allOf:
     24  - $ref: i2c-controller.yaml#
     25
     26properties:
     27  compatible:
     28    const: google,cros-ec-i2c-tunnel
     29
     30  google,remote-bus:
     31    description: The EC bus we'd like to talk to.
     32    $ref: /schemas/types.yaml#/definitions/uint32
     33
     34required:
     35  - compatible
     36  - google,remote-bus
     37
     38unevaluatedProperties: false
     39
     40examples:
     41  - |
     42    spi0 {
     43        #address-cells = <1>;
     44        #size-cells = <0>;
     45
     46        cros-ec@0 {
     47            compatible = "google,cros-ec-spi";
     48            reg = <0>;
     49            spi-max-frequency = <5000000>;
     50
     51            i2c-tunnel {
     52                compatible = "google,cros-ec-i2c-tunnel";
     53                #address-cells = <1>;
     54                #size-cells = <0>;
     55
     56                google,remote-bus = <0>;
     57
     58                battery: sbs-battery@b {
     59                    compatible = "sbs,sbs-battery";
     60                    reg = <0xb>;
     61                    sbs,poll-retry-count = <1>;
     62                };
     63            };
     64        };
     65    };