UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch 'renesas-mackerel' into renesas-board 

* renesas-mackerel:
  ARM: mach-shmobile: add 3.3V and 1.8V fixed regulators to mackerel
  ARM: shmobile: use common extra gpio functions on Mackerel
This commit is contained in:
Rafael J. Wysocki 2012-07-11 23:07:57 +02:00
parent f193b42fa2 70ccb28dea
commit cfc073bafb
1 changed files with 34 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
arch/arm/mach-shmobile/board-mackerel.c
View File

@ -41,6 +41,8 @@
#include <linux/mtd/physmap.h>
#include <linux/mtd/sh_flctl.h>
#include <linux/pm_clock.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/sh_intc.h>
#include <linux/tca6416_keypad.h>
@ -203,31 +205,32 @@
* amixer set "HPOUTR Mixer DACH" on
*/
/*
* FIXME !!
*
* gpio_no_direction
* gpio_pull_down
* are 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_no_direction(u32 addr)
/* Fixed 3.3V and 1.8V regulators to be used by multiple devices */
static struct regulator_consumer_supply fixed1v8_power_consumers[] =
{
__raw_writeb(0x00, addr);
}
/*
* J22 on mackerel switches mmcif.0 and sdhi.1 between 1.8V and 3.3V
* Since we cannot support both voltages, we support the default 1.8V
*/
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
};
static void __init gpio_pull_down(u32 addr)
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
u8 data = __raw_readb(addr);
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
};
data &= 0x0F;
data |= 0xA0;
__raw_writeb(data, addr);
}
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
@ -1409,6 +1412,12 @@ static void __init mackerel_init(void)
u32 srcr4;
struct clk *clk;
regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
/* External clock source */
clk_set_rate(&sh7372_dv_clki_clk, 27000000);
@ -1458,11 +1467,11 @@ static void __init mackerel_init(void)
/* USBHS0 */
gpio_request(GPIO_FN_VBUS0_0, NULL);
gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */
gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */
/* USBHS1 */
gpio_request(GPIO_FN_VBUS0_1, NULL);
gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */
gpio_request(GPIO_FN_IDIN_1_113, NULL);
/* enable FSI2 port A (ak4643) */
@ -1475,8 +1484,8 @@ static void __init mackerel_init(void)
gpio_request(GPIO_PORT9, NULL);
gpio_request(GPIO_PORT10, NULL);
gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
gpio_direction_none(GPIO_PORT9CR); /* FSIAOBT needs no direction */
gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */
intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */