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Diffstat (limited to 'Documentation/devicetree/bindings/power')
5 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/max8903-charger.txt b/Documentation/devicetree/bindings/power/max8903-charger.txt new file mode 100644 index 000000000000..f0f4e12b076e --- /dev/null +++ b/Documentation/devicetree/bindings/power/max8903-charger.txt @@ -0,0 +1,25 @@ +Maxim Semiconductor MAX8903 Battery Charger bindings + +Required properties: +- compatible: "maxim,max8903" for MAX8903 Battery Charger +- dok-gpios: Valid DC power has been detected (active low, input), optional if uok-gpios is provided +- uok-gpios: Valid USB power has been detected (active low, input), optional if dok-gpios is provided + +Optional properties: +- cen-gpios: Charge enable pin (active low, output) +- chg-gpios: Charger status pin (active low, input) +- flt-gpios: Fault pin (active low, output) +- dcm-gpios: Current limit mode setting (DC=1 or USB=0, output) +- usus-gpios: USB suspend pin (active high, output) + + +Example: + + max8903-charger { + compatible = "maxim,max8903"; + dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + flt-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; + chg-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; + cen-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; + status = "okay"; + }; diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt index b74e4d4785ab..0725fb37a973 100644 --- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt +++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt @@ -14,6 +14,7 @@ Required properties: - "renesas,r8a7793-sysc" (R-Car M2-N) - "renesas,r8a7794-sysc" (R-Car E2) - "renesas,r8a7795-sysc" (R-Car H3) + - "renesas,r8a7796-sysc" (R-Car M3-W) - reg: Address start and address range for the device. - #power-domain-cells: Must be 1. diff --git a/Documentation/devicetree/bindings/power/reset/brcm,bcm21664-resetmgr.txt b/Documentation/devicetree/bindings/power/reset/brcm,bcm21664-resetmgr.txt new file mode 100644 index 000000000000..93f31ca1ef4b --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/brcm,bcm21664-resetmgr.txt @@ -0,0 +1,14 @@ +Broadcom Kona Family Reset Manager +---------------------------------- + +The reset manager is used on the Broadcom BCM21664 SoC. + +Required properties: + - compatible: brcm,bcm21664-resetmgr + - reg: memory address & range + +Example: + brcm,resetmgr@35001f00 { + compatible = "brcm,bcm21664-resetmgr"; + reg = <0x35001f00 0x24>; + }; diff --git a/Documentation/devicetree/bindings/power/reset/reboot-mode.txt b/Documentation/devicetree/bindings/power/reset/reboot-mode.txt new file mode 100644 index 000000000000..de34f27d509e --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/reboot-mode.txt @@ -0,0 +1,25 @@ +Generic reboot mode core map driver + +This driver get reboot mode arguments and call the write +interface to store the magic value in special register +or ram. Then the bootloader can read it and take different +action according to the argument stored. + +All mode properties are vendor specific, it is a indication to tell +the bootloader what to do when the system reboots, and should be named +as mode-xxx = <magic> (xxx is mode name, magic should be a none-zero value). + +For example modes common on Android platform: +- mode-normal: Normal reboot mode, system reboot with command "reboot". +- mode-recovery: Android Recovery mode, it is a mode to format the device or update a new image. +- mode-bootloader: Android fastboot mode, it's a mode to re-flash partitions on the Android based device. +- mode-loader: A bootloader mode, it's a mode used to download image on Rockchip platform, + usually used in development. + +Example: + reboot-mode { + mode-normal = <BOOT_NORMAL>; + mode-recovery = <BOOT_RECOVERY>; + mode-bootloader = <BOOT_FASTBOOT>; + mode-loader = <BOOT_BL_DOWNLOAD>; + } diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.txt b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.txt new file mode 100644 index 000000000000..f7ce1d8af04a --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.txt @@ -0,0 +1,35 @@ +SYSCON reboot mode driver + +This driver gets reboot mode magic value form reboot-mode driver +and stores it in a SYSCON mapped register. Then the bootloader +can read it and take different action according to the magic +value stored. + +This DT node should be represented as a sub-node of a "syscon", "simple-mfd" +node. + +Required properties: +- compatible: should be "syscon-reboot-mode" +- offset: offset in the register map for the storage register (in bytes) + +Optional property: +- mask: bits mask of the bits in the register to store the reboot mode magic value, + default set to 0xffffffff if missing. + +The rest of the properties should follow the generic reboot-mode description +found in reboot-mode.txt + +Example: + pmu: pmu@20004000 { + compatible = "rockchip,rk3066-pmu", "syscon", "simple-mfd"; + reg = <0x20004000 0x100>; + + reboot-mode { + compatible = "syscon-reboot-mode"; + offset = <0x40>; + mode-normal = <BOOT_NORMAL>; + mode-recovery = <BOOT_RECOVERY>; + mode-bootloader = <BOOT_FASTBOOT>; + mode-loader = <BOOT_BL_DOWNLOAD>; + }; + }; |