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Message-ID: <20150921061941.GA3066@Sanchayan-Arch.toradex.int> Date: Mon, 21 Sep 2015 11:49:41 +0530 From: maitysanchayan@...il.com To: srinivas.kandagatla@...aro.org, gregkh@...uxfoundation.org Cc: maxime.ripard@...e-electrons.com, devicetree@...r.kernel.org, linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, stefan@...er.ch, shawnguo@...nel.org, kernel@...gutronix.de Subject: Re: [PATCH v10 0/4] Implement OCOTP driver for Vybrid using NVMEM Hello, Ping? - Sanchayan. On 15-09-07 13:51:34, Sanchayan Maity wrote: > Hello, > > Tested on Greg's tree char-misc-next branch along with Stefan's NAND driver > patchset. > > Sample output on Colibri VF50 > > root@...ibri-vf:/sys/bus/nvmem/devices/ocotp0# uname -a > Linux colibri-vf 4.2.0-rc6-00009-g1cec223 #5 SMP Mon Sep 7 12:34:37 IST 2015 armv7l GNU/Linux > > root@...ibri-vf:/sys/bus/nvmem/devices/ocotp0# hexdump nvmem > 0000000 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000410 72a6 df64 0000 0000 0000 0000 0000 0000 > 0000420 11d4 2006 0000 0000 0000 0000 0000 0000 > 0000430 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000450 0280 0000 0000 0000 0000 0000 0000 0000 > 0000460 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000880 8f01 0000 0000 0000 0000 0000 0000 0000 > 0000890 0000 0000 0000 0000 0000 0000 0000 0000 > * > 00008c0 0000 1300 0000 0000 0000 0000 0000 0000 > 00008d0 320a 0800 0000 0000 0000 0000 0000 0000 > 00008e0 0000 e200 0000 0000 0000 0000 0000 0000 > 00008f0 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000c80 bada bada 0000 0000 0000 0000 0000 0000 > * > 0000cc0 0000 0000 0000 0000 0000 0000 0000 0000 > * > 0000cf0 > > Changes since v9: > 1. Drop clock-names property from DT > 2. Rebase on top of latest char-misc-next > > Changes since v8: > 1. Fix three lines over 80 characters > 2. Rebase on top of Greg's char-misc-next branch > > Changes since v7: > 1. Add COMPILE_TEST to Kconfig > 2. Use GENMASK and BIT macros where applicable > 3. Fix a code alignment issue > 4. Get the max_register value for regmap config using > resource_size() > 5. Also add copyright info as the driver logic is based off > on ocotp code in barebox > 6. Add missing info related to clock in DT binding doc > > Changes since v6: > 1. Use the v9 of NVMEM framework patchset > 2. Add a few comments > 3. Initialise buffer address not part of the fuse map to 0 > instead of only handling buffer locations with valid fuse > addresses. > > Changes since v5: > Use NVMEM framework by Srinivas and Maxime > > Changes since v4: > 1. Use devm_* family of functions and use a struct to get rid of > global variables (suggested by Joachim Eastwood) > 2. Make Kconfig govern the compilation with tristate, instead of > earlier bool. Paul Bolle raised a valid point that perhaps this > should have been built in with the bool, however I had not taken > into consideration generic distro kernels and it makes sense to > have this tristated. (comments from Paul Bolle and Andreas Farber) > > Changes since v3: > Instead of using the syscon_regmap_lookup_by_compatible function > use a phandle in the device tree along with offsets specified in > this phandle node and then read the offset along with the device > node in the driver for reading from the required region. > > Changes since v2: > Implement the SoC bus code as a driver in drivers/soc > by registering with fsl,mscm-cpucfg as per Arnd's feedback > > Changes since v1: > Sort the headers in alphabetical order > > Changes since RFC: > Use a DT entry for the ROM area while specifying it as syscon. > > Version 9 patches can be found here > https://lkml.org/lkml/2015/8/12/530 > > Version 8 patches can be found here > https://lkml.org/lkml/2015/8/10/566 > > Version 7 patches can be found here > https://lkml.org/lkml/2015/8/6/440 > > Version 6 RFC patches can be found here > http://lkml.iu.edu/hypermail/linux/kernel/1506.2/05123.html > > Version 5 of the patchset can be found here > http://lkml.iu.edu/hypermail/linux/kernel/1506.0/03787.html > > Version 4 of the patchset can be found here > https://lkml.org/lkml/2015/5/26/199 > > Version 3 of the patchset can be found here > http://www.spinics.net/lists/arm-kernel/msg420847.html > > Version 2 of the patchset can be found here > http://www.spinics.net/lists/devicetree/msg80654.html > > Version 1 of the patchset can be found here > http://www.spinics.net/lists/devicetree/msg80257.html > > The RFC version can be found here > https://lkml.org/lkml/2015/5/11/13 > > Thanks & Regards, > Sanchayan Maity. > > Sanchayan Maity (4): > clk: clk-vf610: Add clock for Vybrid OCOTP controller > ARM: dts: vfxxx: Add OCOTP node > drivers: nvmem: Add Vybrid OCOTP support > nvmem: Add DT binding documentation for Vybrid OCOTP driver > > .../devicetree/bindings/nvmem/vf610-ocotp.txt | 19 ++ > arch/arm/boot/dts/vfxxx.dtsi | 8 + > drivers/clk/imx/clk-vf610.c | 1 + > drivers/nvmem/Kconfig | 10 + > drivers/nvmem/Makefile | 2 + > drivers/nvmem/vf610-ocotp.c | 302 +++++++++++++++++++++ > include/dt-bindings/clock/vf610-clock.h | 3 +- > 7 files changed, 344 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt > create mode 100644 drivers/nvmem/vf610-ocotp.c > > -- > 2.5.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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