From 3ef374a22bdf91fb3b4213200aadd054f81c3499 Mon Sep 17 00:00:00 2001 From: Bibek Basu Date: Tue, 15 Feb 2011 12:56:16 +0530 Subject: mach-ux500: board support for AB8500 GPIO driver This is the board support patch for ab8500 gpio driver on mach-ux500.Patch implements 16 virtual IRQ mapped to 16 interrupt capable AB8500 GPIOs. Signed-off-by: Bibek Basu [Modify for header file placement] Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/board-mop500.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'arch/arm/mach-ux500/board-mop500.c') diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index d0076453d7f..6ac0164db6e 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -42,10 +43,33 @@ #include "board-mop500.h" #include "board-mop500-regulators.h" +static struct ab8500_gpio_platform_data ab8500_gpio_pdata = { + .gpio_base = MOP500_AB8500_GPIO(0), + .irq_base = MOP500_AB8500_VIR_GPIO_IRQ_BASE, + /* config_reg is the initial configuration of ab8500 pins. + * The pins can be configured as GPIO or alt functions based + * on value present in GpioSel1 to GpioSel6 and AlternatFunction + * register. This is the array of 7 configuration settings. + * One has to compile time decide these settings. Below is the + * explaination of these setting + * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO + * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO + * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO + * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO + * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO + * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO + * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured + * as GPIO then this register selectes the alternate fucntions + */ + .config_reg = {0x00, 0x1E, 0x80, 0x01, + 0x7A, 0x00, 0x00}, +}; + static struct ab8500_platform_data ab8500_platdata = { .irq_base = MOP500_AB8500_IRQ_BASE, .regulator = ab8500_regulators, .num_regulator = ARRAY_SIZE(ab8500_regulators), + .gpio = &ab8500_gpio_pdata, }; static struct resource ab8500_resources[] = { -- cgit v1.2.3-70-g09d2