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Diffstat (limited to 'zephyr/projects/nissa/cbi.dtsi')
| -rw-r--r-- | zephyr/projects/nissa/cbi.dtsi | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/cbi.dtsi b/zephyr/projects/nissa/cbi.dtsi new file mode 100644 index 0000000000..d841be1624 --- /dev/null +++ b/zephyr/projects/nissa/cbi.dtsi @@ -0,0 +1,61 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/ { + nissa-fw-config { + compatible = "cros-ec,cbi-fw-config"; + + /* + * FW_CONFIG field to indicate which sub-board + * is attached. + */ + sub-board { + enum-name = "FW_SUB_BOARD"; + start = <0>; + size = <2>; + + sub-board-1 { + compatible = "cros-ec,cbi-fw-config-value"; + enum-name = "FW_SUB_BOARD_1"; + value = <1>; + }; + sub-board-2 { + compatible = "cros-ec,cbi-fw-config-value"; + enum-name = "FW_SUB_BOARD_2"; + value = <2>; + }; + sub-board-3 { + compatible = "cros-ec,cbi-fw-config-value"; + enum-name = "FW_SUB_BOARD_3"; + value = <3>; + }; + }; + + /* + * FW_CONFIG field to enable fan or not. + */ + fan { + enum-name = "FW_FAN"; + start = <2>; + size = <1>; + + no-fan { + compatible = "cros-ec,cbi-fw-config-value"; + enum-name = "FW_FAN_NOT_PRESENT"; + value = <0>; + }; + fan-present { + compatible = "cros-ec,cbi-fw-config-value"; + enum-name = "FW_FAN_PRESENT"; + value = <1>; + /* + * Set as default so that unprovisioned + * configs will run the fan regardless. + */ + default; + }; + }; + }; +}; |