Re: [PATCH v2] pinctrl: Add SX150X GPIO Extender Pinctrl Driver
From: Peter Rosin
Date: Wed Sep 28 2016 - 01:01:43 EST
On 2016-09-27 17:48, Neil Armstrong wrote:
> Since the I2C sx150x GPIO expander driver uses platform_data to manage
> the pins configurations, rewrite the driver as a pinctrl driver using
> pinconf to get/set pin configurations from DT or debugfs.
> The pinctrl driver is functionnally equivalent as the gpio-only driver
> and can use DT for pinconf. The platform_data confirmation is dropped.
> This patchset removed the gpio-only driver and selects the Pinctrl driver
> config instead. This patchset also migrates the gpio dt-bindings to pinctrl
> and add the pinctrl optional properties.
> The driver was tested with a SX1509 device on a BeagleBone black with
> interrupt support and on an X86_64 machine over an I2C to USB converter.
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Works here for sx1502 (without interrupts) on a custom arm board (SAMA5D3).
Tested-by: Peter Rosin <peda@xxxxxxxxxx>