Re: [U-Boot] [U-Boot PATCH 1/3] gpio: pcf8575: Add pcf8575 driver to control gpio lines

2015-03-11 Thread Vignesh R
On Tuesday 10 March 2015 09:33 PM, Tom Rini wrote: On Tue, Mar 10, 2015 at 08:41:21PM +0530, Vignesh R wrote: TI's pcf8575 is a 16-bit I2C based GPIO expander.The device features a 16-bit quasi-bidirectional I/O ports. Each quasi-bidirectional I/O can be used as an input or output without

Re: [U-Boot] [U-Boot PATCH 1/3] gpio: pcf8575: Add pcf8575 driver to control gpio lines

2015-03-11 Thread Tom Rini
On Wed, Mar 11, 2015 at 02:19:32PM +0530, Vignesh R wrote: On Tuesday 10 March 2015 09:33 PM, Tom Rini wrote: On Tue, Mar 10, 2015 at 08:41:21PM +0530, Vignesh R wrote: TI's pcf8575 is a 16-bit I2C based GPIO expander.The device features a 16-bit quasi-bidirectional I/O ports. Each

[U-Boot] [U-Boot PATCH 1/3] gpio: pcf8575: Add pcf8575 driver to control gpio lines

2015-03-10 Thread Vignesh R
TI's pcf8575 is a 16-bit I2C based GPIO expander.The device features a 16-bit quasi-bidirectional I/O ports. Each quasi-bidirectional I/O can be used as an input or output without the use of a data-direction control signal. The I/Os should be high before being used as inputs. This driver is based

Re: [U-Boot] [U-Boot PATCH 1/3] gpio: pcf8575: Add pcf8575 driver to control gpio lines

2015-03-10 Thread Tom Rini
On Tue, Mar 10, 2015 at 08:41:21PM +0530, Vignesh R wrote: TI's pcf8575 is a 16-bit I2C based GPIO expander.The device features a 16-bit quasi-bidirectional I/O ports. Each quasi-bidirectional I/O can be used as an input or output without the use of a data-direction control signal. The I/Os