On imx6sx accessing OCOTP directly is wrong because the ocotp clock needs to be enabled first. Fix this by adding a nvmem-cells binding and using it on imx6sx, imx6ul and imx6ull.
The existing binding is kept around because it works fine on imx6qdl. This was initially reported by Lothar Waßmann <l...@karo-electronics.de> in reply to a mail adding imx6ul/ull support: Link: https://lkml.org/lkml/2017/6/9/578 A previous attempt just reinterpreted the fsl,tempmon-data phandle as nvmem. Code was actually written to use nvmem-cells first but I thought that reinterpreting existing devicetree properties would be interesting. Link: https://lkml.org/lkml/2017/6/19/333 Leonard Crestez (4): thermal: imx: Add nvmem-cells alternate binding for OCOTP access thermal: imx: Add support for reading OCOTP through nvmem ARM: dts: imx6sx: Use nvmem-cells for tempmon ARM: dts: imx6ul: Add imx6ul-tempmon .../devicetree/bindings/thermal/imx-thermal.txt | 7 ++ arch/arm/boot/dts/imx6sx.dtsi | 11 +- arch/arm/boot/dts/imx6ul.dtsi | 17 +++ drivers/thermal/imx_thermal.c | 131 ++++++++++++++++----- 4 files changed, 135 insertions(+), 31 deletions(-) -- 2.7.4
