Skip to content

Commit

Permalink
Merge branch 'renesas-g4evm' into renesas-board
Browse files Browse the repository at this point in the history
* renesas-g4evm:
  ARM: mach-shmobile: add fixed voltage regulators to g4evm
  ARM: shmobile: use common extra gpio functions on g4evm
  • Loading branch information
Rafael J. Wysocki committed Jul 11, 2012
2 parents be4f108 + 85f77ec commit d0ad89f
Showing 1 changed file with 24 additions and 28 deletions.
52 changes: 24 additions & 28 deletions arch/arm/mach-shmobile/board-g4evm.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/usb/r8a66597.h>
#include <linux/io.h>
#include <linux/input.h>
Expand Down Expand Up @@ -196,6 +198,15 @@ static struct platform_device keysc_device = {
},
};

/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
};

/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info = {
.tmio_caps = MMC_CAP_SDIO_IRQ,
Expand Down Expand Up @@ -271,26 +282,11 @@ static struct platform_device *g4evm_devices[] __initdata = {
#define GPIO_SDHID1_D3 0xe6052106
#define GPIO_SDHICMD1 0xe6052107

/*
* FIXME !!
*
* gpio_pull_up is quick_hack.
*
* current gpio frame work doesn't have
* the method to control only pull up/down/free.
* this function should be replaced by correct gpio function
*/
static void __init gpio_pull_up(u32 addr)
{
u8 data = __raw_readb(addr);

data &= 0x0F;
data |= 0xC0;
__raw_writeb(data, addr);
}

static void __init g4evm_init(void)
{
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);

sh7377_pinmux_init();

/* Lit DS14 LED */
Expand Down Expand Up @@ -351,11 +347,11 @@ static void __init g4evm_init(void)
gpio_request(GPIO_FN_SDHID0_3, NULL);
gpio_request(GPIO_FN_SDHICMD0, NULL);
gpio_request(GPIO_FN_SDHIWP0, NULL);
gpio_pull_up(GPIO_SDHID0_D0);
gpio_pull_up(GPIO_SDHID0_D1);
gpio_pull_up(GPIO_SDHID0_D2);
gpio_pull_up(GPIO_SDHID0_D3);
gpio_pull_up(GPIO_SDHICMD0);
gpio_request_pullup(GPIO_SDHID0_D0);
gpio_request_pullup(GPIO_SDHID0_D1);
gpio_request_pullup(GPIO_SDHID0_D2);
gpio_request_pullup(GPIO_SDHID0_D3);
gpio_request_pullup(GPIO_SDHICMD0);

/* SDHI1 */
gpio_request(GPIO_FN_SDHICLK1, NULL);
Expand All @@ -364,11 +360,11 @@ static void __init g4evm_init(void)
gpio_request(GPIO_FN_SDHID1_2, NULL);
gpio_request(GPIO_FN_SDHID1_3, NULL);
gpio_request(GPIO_FN_SDHICMD1, NULL);
gpio_pull_up(GPIO_SDHID1_D0);
gpio_pull_up(GPIO_SDHID1_D1);
gpio_pull_up(GPIO_SDHID1_D2);
gpio_pull_up(GPIO_SDHID1_D3);
gpio_pull_up(GPIO_SDHICMD1);
gpio_request_pullup(GPIO_SDHID1_D0);
gpio_request_pullup(GPIO_SDHID1_D1);
gpio_request_pullup(GPIO_SDHID1_D2);
gpio_request_pullup(GPIO_SDHID1_D3);
gpio_request_pullup(GPIO_SDHICMD1);

sh7377_add_standard_devices();

Expand Down

0 comments on commit d0ad89f

Please sign in to comment.