| Message ID | 1574746490-625-5-git-send-email-freddy.hsin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support MTK reboot mode driver | expand |
On Tue, Nov 26, 2019 at 01:34:50PM +0800, freddy.hsin@mediatek.com wrote: > From: Freddy Hsin <freddy.hsin@mediatek.com> > > Add documentation for MTK RGU (Reset Generation Unit) reboot driver. > > Signed-off-by: Freddy Hsin <freddy.hsin@mediatek.com> > --- > .../devicetree/bindings/power/reset/mtk-reboot.txt | 30 ++++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/reset/mtk-reboot.txt > > diff --git a/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt b/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt > new file mode 100644 > index 0000000..708d351 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt > @@ -0,0 +1,30 @@ > +Generic MTK RGU mapped register reset driver > + > +This is a reset driver using toprgu to map its non-volatile register. > +The reset is generally performed with a write to the non-volatile register > +defined by the register map pointed by toprgu reference plus the offset > +with the mask defined in the reboot-mode node. > + > +Required properties: > +- compatible: should contain "toprgu-reboot-mode" What's wrong with syscon-reboot-mode? > +- regmap: this is phandle to the register map node Make this node a child node of the phandle and get rid of this. > +- offset: offset in the register map for the reboot-mode register (in bytes) > +- mask: the reset value written to the reboot register (32 bit access) > + > +Examples: > + reboot-mode { > + compatible = "toprgu-reboot-mode"; > + regmap = <&toprgu>; > + offset = <0x24>; > + mask = <0xF>; > + }; > + > +Optional properties - reboot mode value that will keep in toprgu nonrst RG: > +- mode-charger = <BOOT_CHARGER>; > +- mode-recovery = <BOOT_RECOVERY>; > +- mode-bootloader = <BOOT_BOOTLOADER>; > +- mode-dm-verity-dev-corrupt = <BOOT_DM_VERITY>; > +- mode-kpoc = <BOOT_KPOC>; > +- mode-ddr-reserve = <BOOT_DDR_RSVD>; > +- mode-meta = <BOOT_META>; > +- mode-rpmbpk = <BOOT_RPMBPK>; > -- > 1.7.9.5
diff --git a/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt b/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt new file mode 100644 index 0000000..708d351 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/mtk-reboot.txt @@ -0,0 +1,30 @@ +Generic MTK RGU mapped register reset driver + +This is a reset driver using toprgu to map its non-volatile register. +The reset is generally performed with a write to the non-volatile register +defined by the register map pointed by toprgu reference plus the offset +with the mask defined in the reboot-mode node. + +Required properties: +- compatible: should contain "toprgu-reboot-mode" +- regmap: this is phandle to the register map node +- offset: offset in the register map for the reboot-mode register (in bytes) +- mask: the reset value written to the reboot register (32 bit access) + +Examples: + reboot-mode { + compatible = "toprgu-reboot-mode"; + regmap = <&toprgu>; + offset = <0x24>; + mask = <0xF>; + }; + +Optional properties - reboot mode value that will keep in toprgu nonrst RG: +- mode-charger = <BOOT_CHARGER>; +- mode-recovery = <BOOT_RECOVERY>; +- mode-bootloader = <BOOT_BOOTLOADER>; +- mode-dm-verity-dev-corrupt = <BOOT_DM_VERITY>; +- mode-kpoc = <BOOT_KPOC>; +- mode-ddr-reserve = <BOOT_DDR_RSVD>; +- mode-meta = <BOOT_META>; +- mode-rpmbpk = <BOOT_RPMBPK>;