From: Anton Vorontsov Date: Thu, 18 Dec 2008 16:37:26 +0000 (+0300) Subject: powerpc: Implement GPIO driver for simple memory-mapped banks X-Git-Tag: v2.6.29-rc1~50^2~38^2~10 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d64de9c50619d32eb71d993d23a50b98d12d3c0;p=pandora-kernel.git powerpc: Implement GPIO driver for simple memory-mapped banks The driver supports very simple GPIO controllers, that is, when a controller provides just a 'data' register. Such controllers may be found in various BCSRs (Board's FPGAs used to control board's switches, LEDs, chip-selects, Ethernet/USB PHY power, etc). So far we support only 1-byte GPIO banks. Support for other widths may be implemented when/if needed. p.s. To avoid "made up" compatible entries (like compatible = "simple-gpio"), boards must call simple_gpiochip_init() to pass the compatible string. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- Reading git-diff-tree failed