From 4765c85914d55590c6d17b6cf9e6f7964d1af108 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Tue, 28 Oct 2008 21:41:39 +0300 Subject: [PATCH 01/23] collie: start scoop converton to new api Start converting scoop gpio access to new API instead of old deprecated one. Signed-off-by: Dmitry Baryshkov --- arch/arm/mach-sa1100/collie.c | 28 +++++++++++++++++++++++----- arch/arm/mach-sa1100/include/mach/collie.h | 7 ++++--- 2 files changed, 27 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index fe28999..8cf267f 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -55,6 +56,7 @@ static struct resource collie_scoop_resources[] = { static struct scoop_config collie_scoop_setup = { .io_dir = COLLIE_SCOOP_IO_DIR, .io_out = COLLIE_SCOOP_IO_OUT, + .gpio_base = COLLIE_SCOOP_GPIO_BASE, }; struct platform_device colliescoop_device = { @@ -196,18 +198,34 @@ static struct mtd_partition collie_partitions[] = { } }; +static int collie_flash_init(void) +{ + int rc; + rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); + if (rc) + return rc; + + rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); + if (rc) + gpio_free(COLLIE_GPIO_VPEN); + + return rc; +} + static void collie_set_vpp(int vpp) { - write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN); - if (vpp) - write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN); - else - write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN); + gpio_set_value(COLLIE_GPIO_VPEN, vpp); } +static void collie_flash_exit(void) +{ + gpio_free(COLLIE_GPIO_VPEN); +} static struct flash_platform_data collie_flash_data = { .map_name = "cfi_probe", + .init = collie_flash_init, .set_vpp = collie_set_vpp, + .exit = collie_flash_exit, .parts = collie_partitions, .nr_parts = ARRAY_SIZE(collie_partitions), }; diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index 69e9624..9bc5349 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -14,6 +14,7 @@ #define __ASM_ARCH_COLLIE_H +#define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1) #define COLLIE_SCP_CHARGE_ON SCOOP_GPCR_PA11 #define COLLIE_SCP_DIAG_BOOT1 SCOOP_GPCR_PA12 #define COLLIE_SCP_DIAG_BOOT2 SCOOP_GPCR_PA13 @@ -21,13 +22,13 @@ #define COLLIE_SCP_MUTE_R SCOOP_GPCR_PA15 #define COLLIE_SCP_5VON SCOOP_GPCR_PA16 #define COLLIE_SCP_AMP_ON SCOOP_GPCR_PA17 -#define COLLIE_SCP_VPEN SCOOP_GPCR_PA18 +#define COLLIE_GPIO_VPEN (COLLIE_SCOOP_GPIO_BASE + 7) #define COLLIE_SCP_LB_VOL_CHG SCOOP_GPCR_PA19 #define COLLIE_SCOOP_IO_DIR ( COLLIE_SCP_CHARGE_ON | COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \ - COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | COLLIE_SCP_VPEN | \ + COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | \ COLLIE_SCP_LB_VOL_CHG ) -#define COLLIE_SCOOP_IO_OUT ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | COLLIE_SCP_VPEN | \ +#define COLLIE_SCOOP_IO_OUT ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \ COLLIE_SCP_CHARGE_ON ) /* GPIOs for which the generic definition doesn't say much */ -- 1.5.6.5