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-rw-r--r--arch/arm/mach-pxa/Kconfig25
-rw-r--r--arch/arm/mach-pxa/Makefile3
-rw-r--r--arch/arm/mach-pxa/clock.c17
-rw-r--r--arch/arm/mach-pxa/cm-x270.c4
-rw-r--r--arch/arm/mach-pxa/cm-x300.c55
-rw-r--r--arch/arm/mach-pxa/corgi.c47
-rw-r--r--arch/arm/mach-pxa/corgi_pm.c3
-rw-r--r--arch/arm/mach-pxa/cpufreq-pxa2xx.c104
-rw-r--r--arch/arm/mach-pxa/csb726.c20
-rw-r--r--arch/arm/mach-pxa/devices.c4
-rw-r--r--arch/arm/mach-pxa/em-x270.c173
-rw-r--r--arch/arm/mach-pxa/ezx.c177
-rw-r--r--arch/arm/mach-pxa/hx4700.c851
-rw-r--r--arch/arm/mach-pxa/imote2.c52
-rw-r--r--arch/arm/mach-pxa/include/mach/hx4700.h131
-rw-r--r--arch/arm/mach-pxa/include/mach/i2c.h82
-rw-r--r--arch/arm/mach-pxa/include/mach/irqs.h18
-rw-r--r--arch/arm/mach-pxa/include/mach/mfp-pxa320.h14
-rw-r--r--arch/arm/mach-pxa/include/mach/palmld.h1
-rw-r--r--arch/arm/mach-pxa/include/mach/pm.h2
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa27x.h3
-rw-r--r--arch/arm/mach-pxa/include/mach/sharpsl_pm.h104
-rw-r--r--arch/arm/mach-pxa/include/mach/uncompress.h3
-rw-r--r--arch/arm/mach-pxa/littleton.c82
-rw-r--r--arch/arm/mach-pxa/magician.c14
-rw-r--r--arch/arm/mach-pxa/mainstone.c2
-rw-r--r--arch/arm/mach-pxa/mioa701.c4
-rw-r--r--arch/arm/mach-pxa/palmld.c42
-rw-r--r--arch/arm/mach-pxa/palmt5.c46
-rw-r--r--arch/arm/mach-pxa/palmte2.c32
-rw-r--r--arch/arm/mach-pxa/palmtx.c45
-rw-r--r--arch/arm/mach-pxa/pcm990-baseboard.c2
-rw-r--r--arch/arm/mach-pxa/pm.c4
-rw-r--r--arch/arm/mach-pxa/poodle.c17
-rw-r--r--arch/arm/mach-pxa/pwm.c318
-rw-r--r--arch/arm/mach-pxa/pxa27x.c21
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c4
-rw-r--r--arch/arm/mach-pxa/saar.c2
-rw-r--r--arch/arm/mach-pxa/sharpsl.h4
-rw-r--r--arch/arm/mach-pxa/sharpsl_pm.c863
-rw-r--r--arch/arm/mach-pxa/spitz.c78
-rw-r--r--arch/arm/mach-pxa/spitz_pm.c3
-rw-r--r--arch/arm/mach-pxa/stargate2.c796
-rw-r--r--arch/arm/mach-pxa/tosa.c2
-rw-r--r--arch/arm/mach-pxa/trizeps4.c2
-rw-r--r--arch/arm/mach-pxa/viper.c2
-rw-r--r--arch/arm/mach-pxa/zylonite_pxa300.c2
47 files changed, 3515 insertions, 765 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 17d3fbd368a..f4533f8ff4e 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -51,6 +51,12 @@ config MACH_INTELMOTE2
select IWMMXT
select PXA_HAVE_BOARD_IRQS
+config MACH_STARGATE2
+ bool "Intel Stargate 2 Platform"
+ select PXA27x
+ select IWMMXT
+ select PXA_HAVE_BOARD_IRQS
+
config ARCH_LUBBOCK
bool "Intel DBPXA250 Development Platform"
select PXA25x
@@ -88,6 +94,10 @@ config PXA_SHARPSL
SL-C3000 (Spitz), SL-C3100 (Borzoi) or SL-C6000x (Tosa)
handheld computer.
+config SHARPSL_PM
+ bool
+ select APM_EMULATION
+
config CORGI_SSP_DEPRECATED
bool
select PXA_SSP
@@ -280,6 +290,7 @@ config MACH_ZYLONITE
select PXA3xx
select PXA_SSP
select HAVE_PWM
+ select PXA_HAVE_BOARD_IRQS
config MACH_LITTLETON
bool "PXA3xx Form Factor Platform (aka Littleton)"
@@ -308,6 +319,14 @@ config MACH_CM_X300
select PXA3xx
select CPU_PXA300
+config MACH_H4700
+ bool "HP iPAQ hx4700"
+ select PXA27x
+ select IWMMXT
+ select PXA_SSP
+ select HAVE_PWM
+ select PXA_HAVE_BOARD_IRQS
+
config MACH_MAGICIAN
bool "Enable HTC Magician Support"
select PXA27x
@@ -505,12 +524,6 @@ config PXA_SSP
help
Enable support for PXA2xx SSP ports
-config PXA_PWM
- tristate
- default BACKLIGHT_PWM
- help
- Enable support for PXA2xx/PXA3xx PWM controllers
-
config TOSA_BT
tristate "Control the state of built-in bluetooth chip on Sharp SL-6000"
depends on MACH_TOSA
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 682dbf4e14b..d18ffef44b8 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -15,7 +15,6 @@ endif
# Generic drivers that other drivers may depend upon
obj-$(CONFIG_PXA_SSP) += ssp.o
-obj-$(CONFIG_PXA_PWM) += pwm.o
# SoC-specific code
obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o
@@ -47,6 +46,7 @@ obj-$(CONFIG_MACH_PCM027) += pcm027.o
obj-$(CONFIG_MACH_PCM990_BASEBOARD) += pcm990-baseboard.o
obj-$(CONFIG_MACH_TOSA) += tosa.o
obj-$(CONFIG_MACH_EM_X270) += em-x270.o
+obj-$(CONFIG_MACH_H4700) += hx4700.o
obj-$(CONFIG_MACH_MAGICIAN) += magician.o
obj-$(CONFIG_MACH_HIMALAYA) += himalaya.o
obj-$(CONFIG_MACH_MIOA701) += mioa701.o mioa701_bootresume.o
@@ -78,6 +78,7 @@ obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
obj-$(CONFIG_PXA_EZX) += ezx.o
obj-$(CONFIG_MACH_INTELMOTE2) += imote2.o
+obj-$(CONFIG_MACH_STARGATE2) += stargate2.o
obj-$(CONFIG_MACH_CSB726) += csb726.o
obj-$(CONFIG_CSB726_CSB701) += csb701.o
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index db52d2c4791..49ae3829231 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -86,20 +86,3 @@ void clks_register(struct clk_lookup *clks, size_t num)
for (i = 0; i < num; i++)
clkdev_add(&clks[i]);
}
-
-int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
- struct device *dev)
-{
- struct clk *r = clk_get(dev, id);
- struct clk_lookup *l;
-
- if (!r)
- return -ENODEV;
-
- l = clkdev_alloc(r, alias, alias_dev_name);
- clk_put(r);
- if (!l)
- return -ENODEV;
- clkdev_add(l);
- return 0;
-}
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index 34576ba5f5f..1d2cec25391 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -335,6 +335,10 @@ void __init cmx270_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+#ifdef CONFIG_PM
+ pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
+#endif
+
cmx270_init_rtc();
cmx270_init_mmc();
cmx270_init_ohci();
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index a9f48b1cb54..465da26591b 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -21,18 +21,20 @@
#include <linux/gpio.h>
#include <linux/dm9000.h>
#include <linux/leds.h>
+#include <linux/rtc-v3020.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/setup.h>
#include <mach/pxa300.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
-#include <mach/i2c.h>
+#include <plat/i2c.h>
#include <mach/pxa3xx_nand.h>
#include <asm/mach/map.h>
@@ -46,6 +48,11 @@
#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
+#define GPIO95_RTC_CS (95)
+#define GPIO96_RTC_WR (96)
+#define GPIO97_RTC_RD (97)
+#define GPIO98_RTC_IO (98)
+
static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
/* LCD */
GPIO54_LCD_LDD_0,
@@ -135,6 +142,12 @@ static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
GPIO85_GPIO, /* MMC WP */
GPIO99_GPIO, /* Ethernet IRQ */
+ /* RTC GPIOs */
+ GPIO95_GPIO, /* RTC CS */
+ GPIO96_GPIO, /* RTC WR */
+ GPIO97_GPIO, /* RTC RD */
+ GPIO98_GPIO, /* RTC IO */
+
/* Standard I2C */
GPIO21_I2C_SCL,
GPIO22_I2C_SDA,
@@ -265,6 +278,7 @@ static struct mtd_partition cm_x300_nand_partitions[] = {
static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
.enable_arbiter = 1,
+ .keep_config = 1,
.parts = cm_x300_nand_partitions,
.nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
};
@@ -441,6 +455,31 @@ static void __init cm_x300_init_i2c(void)
static inline void cm_x300_init_i2c(void) {}
#endif
+#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
+struct v3020_platform_data cm_x300_v3020_pdata = {
+ .use_gpio = 1,
+ .gpio_cs = GPIO95_RTC_CS,
+ .gpio_wr = GPIO96_RTC_WR,
+ .gpio_rd = GPIO97_RTC_RD,
+ .gpio_io = GPIO98_RTC_IO,
+};
+
+static struct platform_device cm_x300_rtc_device = {
+ .name = "v3020",
+ .id = -1,
+ .dev = {
+ .platform_data = &cm_x300_v3020_pdata,
+ }
+};
+
+static void __init cm_x300_init_rtc(void)
+{
+ platform_device_register(&cm_x300_rtc_device);
+}
+#else
+static inline void cm_x300_init_rtc(void) {}
+#endif
+
static void __init cm_x300_init(void)
{
/* board-processor specific GPIO initialization */
@@ -453,6 +492,19 @@ static void __init cm_x300_init(void)
cm_x300_init_nand();
cm_x300_init_leds();
cm_x300_init_i2c();
+ cm_x300_init_rtc();
+}
+
+static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
+ char **cmdline, struct meminfo *mi)
+{
+ mi->nr_banks = 2;
+ mi->bank[0].start = 0xa0000000;
+ mi->bank[0].node = 0;
+ mi->bank[0].size = (64*1024*1024);
+ mi->bank[1].start = 0xc0000000;
+ mi->bank[1].node = 0;
+ mi->bank[1].size = (64*1024*1024);
}
MACHINE_START(CM_X300, "CM-X300 module")
@@ -463,4 +515,5 @@ MACHINE_START(CM_X300, "CM-X300 module")
.init_irq = pxa3xx_init_irq,
.timer = &pxa_timer,
.init_machine = cm_x300_init,
+ .fixup = cm_x300_fixup,
MACHINE_END
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 930e364ccde..962dda2e154 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -42,7 +42,7 @@
#include <asm/mach/irq.h>
#include <mach/pxa25x.h>
-#include <mach/i2c.h>
+#include <plat/i2c.h>
#include <mach/irda.h>
#include <mach/mmc.h>
#include <mach/udc.h>
@@ -445,13 +445,8 @@ static struct ads7846_platform_data corgi_ads7846_info = {
.wait_for_sync = corgi_wait_for_hsync,
};
-static void corgi_ads7846_cs(u32 command)
-{
- gpio_set_value(CORGI_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
-}
-
static struct pxa2xx_spi_chip corgi_ads7846_chip = {
- .cs_control = corgi_ads7846_cs,
+ .gpio_cs = CORGI_GPIO_ADS7846_CS,
};
static void corgi_bl_kick_battery(void)
@@ -475,22 +470,12 @@ static struct corgi_lcd_platform_data corgi_lcdcon_info = {
.kick_battery = corgi_bl_kick_battery,
};
-static void corgi_lcdcon_cs(u32 command)
-{
- gpio_set_value(CORGI_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
-}
-
static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
- .cs_control = corgi_lcdcon_cs,
+ .gpio_cs = CORGI_GPIO_LCDCON_CS,
};
-static void corgi_max1111_cs(u32 command)
-{
- gpio_set_value(CORGI_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
-}
-
static struct pxa2xx_spi_chip corgi_max1111_chip = {
- .cs_control = corgi_max1111_cs,
+ .gpio_cs = CORGI_GPIO_MAX1111_CS,
};
static struct spi_board_info corgi_spi_devices[] = {
@@ -520,32 +505,8 @@ static struct spi_board_info corgi_spi_devices[] = {
static void __init corgi_init_spi(void)
{
- int err;
-
- err = gpio_request(CORGI_GPIO_ADS7846_CS, "ADS7846_CS");
- if (err)
- return;
-
- err = gpio_request(CORGI_GPIO_LCDCON_CS, "LCDCON_CS");
- if (err)
- goto err_free_1;
-
- err = gpio_request(CORGI_GPIO_MAX1111_CS, "MAX1111_CS");
- if (err)
- goto err_free_2;
-
- gpio_direction_output(CORGI_GPIO_ADS7846_CS, 1);
- gpio_direction_output(CORGI_GPIO_LCDCON_CS, 1);
- gpio_direction_output(CORGI_GPIO_MAX1111_CS, 1);
-
pxa2xx_set_spi_info(1, &corgi_spi_info);
spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
- return;
-
-err_free_2:
- gpio_free(CORGI_GPIO_LCDCON_CS);
-err_free_1:
- gpio_free(CORGI_GPIO_ADS7846_CS);
}
#else
static inline void corgi_init_spi(void) {}
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index 7f04b3a761d..a093282fe4d 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -41,7 +41,6 @@ static void corgi_charger_init(void)
pxa_gpio_mode(CORGI_GPIO_CHRG_ON | GPIO_OUT);
pxa_gpio_mode(CORGI_GPIO_CHRG_UKN | GPIO_OUT);
pxa_gpio_mode(CORGI_GPIO_KEY_INT | GPIO_IN);
- sharpsl_pm_pxa_init();
}
static void corgi_measure_temp(int on)
@@ -191,7 +190,7 @@ unsigned long corgipm_read_devdata(int type)
static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
.init = corgi_charger_init,
- .exit = sharpsl_pm_pxa_remove,
+ .exit = NULL,
.gpio_batlock = CORGI_GPIO_BAT_COVER,
.gpio_acin = CORGI_GPIO_AC_IN,
.gpio_batfull = CORGI_GPIO_CHRG_FULL,
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
index 083a1d851d4..3a8ee2272ad 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
@@ -36,6 +36,8 @@
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
+#include <linux/err.h>
+#include <linux/regulator/consumer.h>
#include <mach/pxa2xx-regs.h>
@@ -47,6 +49,8 @@ MODULE_PARM_DESC(freq_debug, "Set the debug messages to on=1/off=0");
#define freq_debug 0
#endif
+static struct regulator *vcc_core;
+
static unsigned int pxa27x_maxfreq;
module_param(pxa27x_maxfreq, uint, 0);
MODULE_PARM_DESC(pxa27x_maxfreq, "Set the pxa27x maxfreq in MHz"
@@ -58,6 +62,8 @@ typedef struct {
unsigned int cccr;
unsigned int div2;
unsigned int cclkcfg;
+ int vmin;
+ int vmax;
} pxa_freqs_t;
/* Define the refresh period in mSec for the SDRAM and the number of rows */
@@ -82,24 +88,24 @@ static unsigned int sdram_rows;
static pxa_freqs_t pxa255_run_freqs[] =
{
- /* CPU MEMBUS CCCR DIV2 CCLKCFG run turbo PXbus SDRAM */
- { 99500, 99500, 0x121, 1, CCLKCFG}, /* 99, 99, 50, 50 */
- {132700, 132700, 0x123, 1, CCLKCFG}, /* 133, 133, 66, 66 */
- {199100, 99500, 0x141, 0, CCLKCFG}, /* 199, 199, 99, 99 */
- {265400, 132700, 0x143, 1, CCLKCFG}, /* 265, 265, 133, 66 */
- {331800, 165900, 0x145, 1, CCLKCFG}, /* 331, 331, 166, 83 */
- {398100, 99500, 0x161, 0, CCLKCFG}, /* 398, 398, 196, 99 */
+ /* CPU MEMBUS CCCR DIV2 CCLKCFG run turbo PXbus SDRAM */
+ { 99500, 99500, 0x121, 1, CCLKCFG, -1, -1}, /* 99, 99, 50, 50 */
+ {132700, 132700, 0x123, 1, CCLKCFG, -1, -1}, /* 133, 133, 66, 66 */
+ {199100, 99500, 0x141, 0, CCLKCFG, -1, -1}, /* 199, 199, 99, 99 */
+ {265400, 132700, 0x143, 1, CCLKCFG, -1, -1}, /* 265, 265, 133, 66 */
+ {331800, 165900, 0x145, 1, CCLKCFG, -1, -1}, /* 331, 331, 166, 83 */
+ {398100, 99500, 0x161, 0, CCLKCFG, -1, -1}, /* 398, 398, 196, 99 */
};
/* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */
static pxa_freqs_t pxa255_turbo_freqs[] =
{
/* CPU MEMBUS CCCR DIV2 CCLKCFG run turbo PXbus SDRAM */
- { 99500, 99500, 0x121, 1, CCLKCFG}, /* 99, 99, 50, 50 */
- {199100, 99500, 0x221, 0, CCLKCFG}, /* 99, 199, 50, 99 */
- {298500, 99500, 0x321, 0, CCLKCFG}, /* 99, 287, 50, 99 */
- {298600, 99500, 0x1c1, 0, CCLKCFG}, /* 199, 287, 99, 99 */
- {398100, 99500, 0x241, 0, CCLKCFG}, /* 199, 398, 99, 99 */
+ { 99500, 99500, 0x121, 1, CCLKCFG, -1, -1}, /* 99, 99, 50, 50 */
+ {199100, 99500, 0x221, 0, CCLKCFG, -1, -1}, /* 99, 199, 50, 99 */
+ {298500, 99500, 0x321, 0, CCLKCFG, -1, -1}, /* 99, 287, 50, 99 */
+ {298600, 99500, 0x1c1, 0, CCLKCFG, -1, -1}, /* 199, 287, 99, 99 */
+ {398100, 99500, 0x241, 0, CCLKCFG, -1, -1}, /* 199, 398, 99, 99 */
};
#define NUM_PXA25x_RUN_FREQS ARRAY_SIZE(pxa255_run_freqs)
@@ -148,13 +154,13 @@ MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table
((T) ? CCLKCFG_TURBO : 0))
static pxa_freqs_t pxa27x_freqs[] = {
- {104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1)},
- {156000, 104000, PXA27x_CCCR(1, 8, 6), 0, CCLKCFG2(1, 1, 1)},
- {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1)},
- {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1)},
- {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1)},
- {520000, 208000, PXA27x_CCCR(1, 16, 5), 1, CCLKCFG2(1, 0, 1)},
- {624000, 208000, PXA27x_CCCR(1, 16, 6), 1, CCLKCFG2(1, 0, 1)}
+ {104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1), 900000, 1705000 },
+ {156000, 104000, PXA27x_CCCR(1, 8, 6), 0, CCLKCFG2(1, 1, 1), 1000000, 1705000 },
+ {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1), 1180000, 1705000 },
+ {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1), 1250000, 1705000 },
+ {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1), 1350000, 1705000 },
+ {520000, 208000, PXA27x_CCCR(1, 16, 5), 1, CCLKCFG2(1, 0, 1), 1450000, 1705000 },
+ {624000, 208000, PXA27x_CCCR(1, 16, 6), 1, CCLKCFG2(1, 0, 1), 1550000, 1705000 }
};
#define NUM_PXA27x_FREQS ARRAY_SIZE(pxa27x_freqs)
@@ -163,6 +169,47 @@ static struct cpufreq_frequency_table
extern unsigned get_clk_frequency_khz(int info);
+#ifdef CONFIG_REGULATOR
+
+static int pxa_cpufreq_change_voltage(pxa_freqs_t *pxa_freq)
+{
+ int ret = 0;
+ int vmin, vmax;
+
+ if (!cpu_is_pxa27x())
+ return 0;
+
+ vmin = pxa_freq->vmin;
+ vmax = pxa_freq->vmax;
+ if ((vmin == -1) || (vmax == -1))
+ return 0;
+
+ ret = regulator_set_voltage(vcc_core, vmin, vmax);
+ if (ret)
+ pr_err("cpufreq: Failed to set vcc_core in [%dmV..%dmV]\n",
+ vmin, vmax);
+ return ret;
+}
+
+static __init void pxa_cpufreq_init_voltages(void)
+{
+ vcc_core = regulator_get(NULL, "vcc_core");
+ if (IS_ERR(vcc_core)) {
+ pr_info("cpufreq: Didn't find vcc_core regulator\n");
+ vcc_core = NULL;
+ } else {
+ pr_info("cpufreq: Found vcc_core regulator\n");
+ }
+}
+#else
+static int pxa_cpufreq_change_voltage(pxa_freqs_t *pxa_freq)
+{
+ return 0;
+}
+
+static __init void pxa_cpufreq_init_voltages(void) { }
+#endif
+
static void find_freq_tables(struct cpufreq_frequency_table **freq_table,
pxa_freqs_t **pxa_freqs)
{
@@ -251,6 +298,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
unsigned long flags;
unsigned int new_freq_cpu, new_freq_mem;
unsigned int unused, preset_mdrefr, postset_mdrefr, cclkcfg;
+ int ret = 0;
/* Get the current policy */
find_freq_tables(&pxa_freqs_table, &pxa_freq_settings);
@@ -273,6 +321,10 @@ static int pxa_set_target(struct cpufreq_policy *policy,
freqs.new / 1000, (pxa_freq_settings[idx].div2) ?
(new_freq_mem / 2000) : (new_freq_mem / 1000));
+ if (vcc_core && freqs.new > freqs.old)
+ ret = pxa_cpufreq_change_voltage(&pxa_freq_settings[idx]);
+ if (ret)
+ return ret;
/*
* Tell everyone what we're about to do...
* you should add a notify client with any platform specific
@@ -335,6 +387,18 @@ static int pxa_set_target(struct cpufreq_policy *policy,
*/
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ /*
+ * Even if voltage setting fails, we don't report it, as the frequency
+ * change succeeded. The voltage reduction is not a critical failure,
+ * only power savings will suffer from this.
+ *
+ * Note: if the voltage change fails, and a return value is returned, a
+ * bug is triggered (seems a deadlock). Should anybody find out where,
+ * the "return 0" should become a "return ret".
+ */
+ if (vcc_core && freqs.new < freqs.old)
+ ret = pxa_cpufreq_change_voltage(&pxa_freq_settings[idx]);
+
return 0;
}
@@ -349,6 +413,8 @@ static __init int pxa_cpufreq_init(struct cpufreq_policy *policy)
if (cpu_is_pxa27x())
pxa27x_guess_max_freq();
+ pxa_cpufreq_init_voltages();
+
init_sdram_rows();
/* set default policy and cpuinfo */
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c
index 2b289f83a61..7d3e1b46e55 100644
--- a/arch/arm/mach-pxa/csb726.c
+++ b/arch/arm/mach-pxa/csb726.c
@@ -16,15 +16,17 @@
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/sm501.h>
+#include <linux/smsc911x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/csb726.h>
#include <mach/mfp-pxa27x.h>
-#include <mach/i2c.h>
+#include <plat/i2c.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pxa2xx-regs.h>
+#include <mach/audio.h>
#include "generic.h"
#include "devices.h"
@@ -275,15 +277,26 @@ static struct resource csb726_lan_resources[] = {
{
.start = CSB726_IRQ_LAN,
.end = CSB726_IRQ_LAN,
- .flags = IORESOURCE_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
},
};
+struct smsc911x_platform_config csb726_lan_config = {
+ .irq_type = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_32BIT,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+
static struct platform_device csb726_lan = {
- .name = "smc911x",
+ .name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(csb726_lan_resources),
.resource = csb726_lan_resources,
+ .dev = {
+ .platform_data = &csb726_lan_config,
+ },
};
static struct platform_device *devices[] __initdata = {
@@ -303,6 +316,7 @@ static void __init csb726_init(void)
pxa27x_set_i2c_power_info(NULL);
pxa_set_mci_info(&csb726_mci);
pxa_set_ohci_info(&csb726_ohci_platform_data);
+ pxa_set_ac97_info(NULL);
platform_add_devices(devices, ARRAY_SIZE(devices));
}
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index 29970f703f3..ecc08f360b6 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -8,7 +8,7 @@
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/irda.h>
-#include <mach/i2c.h>
+#include <plat/i2c.h>
#include <mach/ohci.h>
#include <mach/pxa27x_keypad.h>
#include <mach/pxa2xx_spi.h>
@@ -290,7 +290,7 @@ static struct resource pxa3xx_resources_i2c_power[] = {
};
struct platform_device pxa3xx_device_i2c_power = {
- .name = "pxa2xx-i2c",
+ .name = "pxa3xx-pwri2c",
.id = 1,
.resource = pxa3xx_resources_i2c_power,
.num_resources = ARRAY_SIZE(pxa3xx_resources_i2c_power),
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index bc0f73fbd4c..243e0802b5f 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -28,6 +28,8 @@
#include <linux/spi/libertas_spi.h>
#include <linux/power_supply.h>
#include <linux/apm-emulation.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pca953x.h>
#include <media/soc_camera.h>
@@ -41,7 +43,7 @@
#include <mach/ohci.h>
#include <mach/mmc.h>
#include <mach/pxa27x_keypad.h>
-#include <mach/i2c.h>
+#include <plat/i2c.h>
#include <mach/camera.h>
#include <mach/pxa2xx_spi.h>
@@ -52,23 +54,31 @@
#define GPIO13_MMC_CD (13)
#define GPIO95_MMC_WP (95)
#define GPIO56_NAND_RB (56)
+#define GPIO93_CAM_RESET (93)
+#define GPIO16_USB_HUB_RESET (16)
/* eXeda specific GPIOs */
#define GPIO114_MMC_CD (114)
#define GPIO20_NAND_RB (20)
#define GPIO38_SD_PWEN (38)
+#define GPIO37_WLAN_RST (37)
+#define GPIO95_TOUCHPAD_INT (95)
+#define GPIO130_CAM_RESET (130)
+#define GPIO10_USB_HUB_RESET (10)
/* common GPIOs */
#define GPIO11_NAND_CS (11)
-#define GPIO93_CAM_RESET (93)
#define GPIO41_ETHIRQ (41)
#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ)
#define GPIO115_WLAN_PWEN (115)
#define GPIO19_WLAN_STRAP (19)
+#define GPIO9_USB_VBUS_EN (9)
static int mmc_cd;
static int nand_rb;
static int dm9000_flags;
+static int cam_reset;
+static int usb_hub_reset;
static unsigned long common_pin_config[] = {
/* AC'97 */
@@ -180,7 +190,6 @@ static unsigned long common_pin_config[] = {
/* power controls */
GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */
- GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */
GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */
/* NAND controls */
@@ -191,14 +200,18 @@ static unsigned long common_pin_config[] = {
};
static unsigned long em_x270_pin_config[] = {
- GPIO13_GPIO, /* MMC card detect */
- GPIO56_GPIO, /* NAND Ready/Busy */
- GPIO95_GPIO, /* MMC Write protect */
+ GPIO13_GPIO, /* MMC card detect */
+ GPIO16_GPIO, /* USB hub reset */
+ GPIO56_GPIO, /* NAND Ready/Busy */
+ GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */
+ GPIO95_GPIO, /* MMC Write protect */
};
static unsigned long exeda_pin_config[] = {
+ GPIO10_GPIO, /* USB hub reset */
GPIO20_GPIO, /* NAND Ready/Busy */
GPIO38_GPIO | MFP_LPM_DRIVE_LOW, /* SD slot power */
+ GPIO95_GPIO, /* touchpad IRQ */
GPIO114_GPIO, /* MMC card detect */
};
@@ -464,18 +477,79 @@ static inline void em_x270_init_nor(void) {}
/* PXA27x OHCI controller setup */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct regulator *em_x270_usb_ldo;
+
+static int em_x270_usb_hub_init(void)
+{
+ int err;
+
+ em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
+ if (IS_ERR(em_x270_usb_ldo))
+ return PTR_ERR(em_x270_usb_ldo);
+
+ err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
+ if (err)
+ goto err_free_usb_ldo;
+
+ err = gpio_request(usb_hub_reset, "hub rst");
+ if (err)
+