[U-Boot] [PATCH v4 2/7] [REV-1] gpio: Add Multi-Function-Pin configuration driver for Marvell SoCs

[Prafulla Wadaskar]

> -----Original Message-----
> From: Prafulla Wadaskar [mailto:prafulla at marvell.com]
> Sent: Thursday, December 09, 2010 7:47 PM
> To: u-boot at lists.denx.de
> Cc: Lei Wen; Eric Miao; Yu Tang; Kiran Vedere; Manas Saksena; Prabhanjan
> Sarnaik; Ashish Karkare; Prafulla Wadaskar
> Subject: [PATCH v4 2/7] [REV-1] gpio: Add Multi-Function-Pin configuration
> driver for Marvell SoCs
> 
> Most of the Marvell SoCs has Multi Function Pin (MFP) configuration
> registers
> For ex. ARMADA100.
> 
> These registers are programmed to expose the specific functionality
> associated with respective SoC Pins
> 
> This driver provides configuration APIs,
> using them, configuration need to be done in board specific code
> 
> for ex- following code configures MFPs 107 and 108 for UART_TX/RX
> functionality
> 
> int board_early_init_f(void)
> {
>         u32 mfp_cfg[] = {
>                 /* Console on UART1 */
>                 MFP107_UART1_RXD,
>                 MFP108_UART1_TXD,
>                 MFP_EOC         /*End of configureation*/
>         };
>         /* configure MFP's */
>         mfp_config(mfp_cfg);
>         return 0;
> }
> 
> Signed-off-by: Prafulla Wadaskar <prafulla at marvell.com>
> ---
> Changelog v4:
> 1. Driver renamed as mvmfp
> 2. Re-architected mvmfp driver as per review feedback
> 
> Changelog v4 (REV-1):
> 1. MFPR_BASE renamed as MV_MFPR_BASE and defination moved to board config
> file
> 2. val&= removed from config-write logic
> 
>  drivers/gpio/Makefile |    1 +
>  drivers/gpio/mvmfp.c  |   87 ++++++++++++++++++++++++++++++++++++++++++
>  include/mvmfp.h       |  100
> +++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 188 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/gpio/mvmfp.c
>  create mode 100644 include/mvmfp.h
> 


Applied to u-boot-marvell.git master branch

Regards..
Prafulla ..