| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mfd/apple,smc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Apple Mac System Management Controller |
| |
| maintainers: |
| - Sven Peter <sven@kernel.org> |
| |
| description: |
| Apple Mac System Management Controller implements various functions |
| such as GPIO, RTC, power, reboot. |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - const: apple,t6020-smc |
| - const: apple,t8103-smc |
| - items: |
| - enum: |
| # Do not add additional SoC to this list. |
| - apple,t6000-smc |
| - apple,t8103-smc |
| - apple,t8112-smc |
| - const: apple,smc |
| |
| reg: |
| items: |
| - description: SMC area |
| - description: SRAM area |
| |
| reg-names: |
| items: |
| - const: smc |
| - const: sram |
| |
| mboxes: |
| maxItems: 1 |
| |
| gpio: |
| $ref: /schemas/gpio/apple,smc-gpio.yaml |
| |
| reboot: |
| $ref: /schemas/power/reset/apple,smc-reboot.yaml |
| |
| rtc: |
| $ref: /schemas/rtc/apple,smc-rtc.yaml |
| |
| additionalProperties: false |
| |
| required: |
| - compatible |
| - reg |
| - reg-names |
| - mboxes |
| |
| examples: |
| - | |
| soc { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| |
| smc@23e400000 { |
| compatible = "apple,t8103-smc", "apple,smc"; |
| reg = <0x2 0x3e400000 0x0 0x4000>, |
| <0x2 0x3fe00000 0x0 0x100000>; |
| reg-names = "smc", "sram"; |
| mboxes = <&smc_mbox>; |
| |
| smc_gpio: gpio { |
| compatible = "apple,smc-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| }; |
| |
| reboot { |
| compatible = "apple,smc-reboot"; |
| nvmem-cells = <&shutdown_flag>, <&boot_stage>, |
| <&boot_error_count>, <&panic_count>; |
| nvmem-cell-names = "shutdown_flag", "boot_stage", |
| "boot_error_count", "panic_count"; |
| }; |
| |
| rtc { |
| compatible = "apple,smc-rtc"; |
| nvmem-cells = <&rtc_offset>; |
| nvmem-cell-names = "rtc_offset"; |
| }; |
| }; |
| }; |
