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Groups > linux.kernel > #1525271
| From | Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 3/5] i2c: designware: Add slave definitions |
| Date | 2016-11-18 13:40 +0100 |
| Message-ID | <sEQCu-75C-45@gated-at.bofh.it> (permalink) |
| References | <sEPwJ-6s7-5@gated-at.bofh.it> <sEPwJ-6s7-3@gated-at.bofh.it> |
| Organization | Intel Finland Oy |
On Fri, 2016-11-18 at 11:19 +0000, Luis Oliveira wrote: > - Add slave defintitions to i2c-designware-core > - Changes in Kconfig to auto-enable I2C_SLAVE when compiling the > modules > - Add compatible string to designware-core.txt explaining the > devicetree bindings > > --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt > @@ -2,7 +2,9 @@ > > Required properties : > > - - compatible : should be "snps,designware-i2c" > + - compatible : should be: > + - "snps,designware-i2c" to setup the hardware block as I2C master. > + - "snps,designware-i2c-slave" to setup the hardware block as I2C > slave. Not sure about this one. Compatible string is more generic than list of modes. Basically you have to add a property which selects mode. DT people's ACK is a must for this change. --- a/drivers/i2c/busses/Kconfig > +++ b/drivers/i2c/busses/Kconfig > @@ -470,6 +470,7 @@ config I2C_DESIGNWARE_CORE > config I2C_DESIGNWARE_PLATFORM > tristate "Synopsys DesignWare Platform" > select I2C_DESIGNWARE_CORE > + select I2C_SLAVE > Common rule, generic dependencies usually go first select I2C_SLAVE select I2C_DESIGNWARE_CORE -- Andy Shevchenko <andriy.shevchenko@linux.intel.com> Intel Finland Oy
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[PATCH v3 3/5] i2c: designware: Add slave definitions Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-11-18 12:30 +0100
Re: [PATCH v3 3/5] i2c: designware: Add slave definitions Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-11-18 13:40 +0100
Re: [PATCH v3 3/5] i2c: designware: Add slave definitions Rob Herring <robh@kernel.org> - 2016-11-18 18:10 +0100
Re: [PATCH v3 3/5] i2c: designware: Add slave definitions Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-11-23 15:50 +0100
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