On Sun, 31 Jul 2022 23:47:57 -0500, Samuel Holland wrote: > The Allwinner D1 SoC contains two pairs of in-package LDOs. One pair is > for general purpose use. LDOA generally powers the board's 1.8 V rail. > LDOB generally powers the in-package DRAM, where applicable. > > The other pair of LDOs powers the analog power domains inside the SoC, > including the audio codec, thermal sensor, and ADCs. These LDOs require > a 0.9 V bandgap voltage reference. The calibration value for the voltage > reference is stored in an eFuse, accessed via an NVMEM cell. > > Neither LDO control register is in its own MMIO range; instead, each > regulator device relies on a syscon exported by some "host" device node. > Getting the register via a syscon avoids a dependency on the subsystem/ > driver for that host device (e.g. a functioning thermal sensor should > not depend on having the audio codec driver loaded). > > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> > --- > > .../allwinner,sun20i-d1-analog-ldos.yaml | 77 +++++++++++++++++++ > .../allwinner,sun20i-d1-system-ldos.yaml | 55 +++++++++++++ > 2 files changed, 132 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-analog-ldos.yaml > create mode 100644 Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' on your patch (DT_CHECKER_FLAGS is new in v5.13): yamllint warnings/errors: dtschema/dtc warnings/errors: Error: Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-analog-ldos.example.dts:24.27-28 syntax error FATAL ERROR: Unable to parse input tree make[1]: *** [scripts/Makefile.lib:383: Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-analog-ldos.example.dtb] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:1404: dt_binding_check] Error 2 doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/patch/ This check can fail if there are any dependencies. The base for a patch series is generally the most recent rc1. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit.