ARM: Merge next-s3c64xx-updates

Merge branch 'next-s3c64xx-updates' into for-rmk

Conflicts:

	arch/arm/plat-s3c/dev-hsmmc2.c
	arch/arm/plat-s3c/include/plat/sdhci.h

11 files changed, 160 insertions, 21 deletions

diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index fc8b223bad4..f3b48f841d8 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -64,6 +64,9 @@
 
 #define S3C64XX_PA_USBHOST	(0x74300000)
 
+#define S3C64XX_PA_USB_HSPHY	(0x7C100000)
+#define S3C64XX_VA_USB_HSPHY	S3C_ADDR_CPU(0x00200000)
+
 /* place VICs close together */
 #define S3C_VA_VIC0		(S3C_VA_IRQ + 0x00)
 #define S3C_VA_VIC1		(S3C_VA_IRQ + 0x10000)
@@ -79,5 +82,6 @@
 #define S3C_PA_FB		S3C64XX_PA_FB
 #define S3C_PA_USBHOST		S3C64XX_PA_USBHOST
 #define S3C_PA_USB_HSOTG	S3C64XX_PA_USB_HSOTG
+#define S3C_VA_USB_HSPHY	S3C64XX_VA_USB_HSPHY
 
 #endif /* __ASM_ARCH_6400_MAP_H */
diff --git a/arch/arm/mach-s3c6400/s3c6400.c b/arch/arm/mach-s3c6400/s3c6400.c
index b42bdd0f213..d876ee50367 100644
--- a/arch/arm/mach-s3c6400/s3c6400.c
+++ b/arch/arm/mach-s3c6400/s3c6400.c
@@ -45,6 +45,7 @@ void __init s3c6400_map_io(void)
 
 	s3c6400_default_sdhci0();
 	s3c6400_default_sdhci1();
+	s3c6400_default_sdhci2();
 
 	/* the i2c devices are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c
index 9b67c663d9d..522c0869195 100644
--- a/arch/arm/mach-s3c6410/cpu.c
+++ b/arch/arm/mach-s3c6410/cpu.c
@@ -58,6 +58,7 @@ void __init s3c6410_map_io(void)
 	/* initialise device information early */
 	s3c6410_default_sdhci0();
 	s3c6410_default_sdhci1();
+	s3c6410_default_sdhci2();
 
 	/* the i2c devices are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c
index 9f1a2146262..480d297c1de 100644
--- a/arch/arm/mach-s3c6410/mach-smdk6410.c
+++ b/arch/arm/mach-s3c6410/mach-smdk6410.c
@@ -25,6 +25,7 @@
 #include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/smsc911x.h>
+#include <linux/regulator/fixed.h>
 
 #ifdef CONFIG_SMDK6410_WM1190_EV1
 #include <linux/mfd/wm8350/core.h>
@@ -184,6 +185,43 @@ static struct platform_device smdk6410_smsc911x = {
 	},
 };
 
+#ifdef CONFIG_REGULATOR
+static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] = {
+	{
+		/* WM8580 */
+		.supply = "PVDD",
+		.dev_name = "0-001b",
+	},
+	{
+		/* WM8580 */
+		.supply = "AVDD",
+		.dev_name = "0-001b",
+	},
+};
+
+static struct regulator_init_data smdk6410_b_pwr_5v_data = {
+	.constraints = {
+		.always_on = 1,
+	},
+	.num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
+	.consumer_supplies = smdk6410_b_pwr_5v_consumers,
+};
+
+static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
+	.supply_name = "B_PWR_5V",
+	.microvolts = 5000000,
+	.init_data = &smdk6410_b_pwr_5v_data,
+};
+
+static struct platform_device smdk6410_b_pwr_5v = {
+	.name          = "reg-fixed-voltage",
+	.id            = -1,
+	.dev = {
+		.platform_data = &smdk6410_b_pwr_5v_pdata,
+	},
+};
+#endif
+
 static struct map_desc smdk6410_iodesc[] = {};
 
 static struct platform_device *smdk6410_devices[] __initdata = {
@@ -198,6 +236,10 @@ static struct platform_device *smdk6410_devices[] __initdata = {
 	&s3c_device_fb,
 	&s3c_device_usb,
 	&s3c_device_usb_hsotg,
+
+#ifdef CONFIG_REGULATOR
+	&smdk6410_b_pwr_5v,
+#endif
 	&smdk6410_lcd_powerdev,
 
 	&smdk6410_smsc911x,
@@ -232,6 +274,14 @@ static struct regulator_init_data wm8350_dcdc3_data = {
 };
 
 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
+static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
+	{
+		/* WM8580 */
+		.supply = "DVDD",
+		.dev_name = "0-001b",
+	},
+};
+
 static struct regulator_init_data wm8350_dcdc4_data = {
 	.constraints = {
 		.name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
@@ -239,6 +289,8 @@ static struct regulator_init_data wm8350_dcdc4_data = {
 		.max_uV = 3000000,
 		.always_on = 1,
 	},
+	.num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
+	.consumer_supplies = wm8350_dcdc4_consumers,
 };
 
 /* ARM core */
diff --git a/arch/arm/plat-s3c/dev-hsmmc2.c b/arch/arm/plat-s3c/dev-hsmmc2.c
index 082e55a78ad..824580bc0e0 100644
--- a/arch/arm/plat-s3c/dev-hsmmc2.c
+++ b/arch/arm/plat-s3c/dev-hsmmc2.c
@@ -1,6 +1,10 @@
 /* linux/arch/arm/plat-s3c/dev-hsmmc2.c
  *
  * Copyright (c) 2009 Samsung Electronics
+ * Copyright (c) 2009 Maurus Cuelenaere
+ *
+ * Based on arch/arm/plat-s3c/dev-hsmmc1.c
+ * original file Copyright (c) 2008 Simtec Electronics
  *
  * S3C series device definition for hsmmc device 2
  *
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
index c71d0786184..53198673b6b 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -74,6 +74,7 @@ extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 
 /* S3C6400 SDHCI setup */
 
@@ -108,6 +109,17 @@ static inline void s3c6400_default_sdhci1(void)
 static inline void s3c6400_default_sdhci1(void) { }
 #endif /* CONFIG_S3C_DEV_HSMMC1 */
 
+#ifdef CONFIG_S3C_DEV_HSMMC2
+static inline void s3c6400_default_sdhci2(void)
+{
+	s3c_hsmmc2_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
+	s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+#else
+static inline void s3c6400_default_sdhci2(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC2 */
+
 #else
 static inline void s3c6400_default_sdhci0(void) { }
 static inline void s3c6400_default_sdhci1(void) { }
@@ -145,6 +157,17 @@ static inline void s3c6410_default_sdhci1(void)
 static inline void s3c6410_default_sdhci1(void) { }
 #endif /* CONFIG_S3C_DEV_HSMMC1 */
 
+#ifdef CONFIG_S3C_DEV_HSMMC2
+static inline void s3c6410_default_sdhci2(void)
+{
+	s3c_hsmmc2_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
+	s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
+}
+#else
+static inline void s3c6410_default_sdhci2(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC2 */
+
 #else
 static inline void s3c6410_default_sdhci0(void) { }
 static inline void s3c6410_default_sdhci1(void) { }
diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c
index b1fdd83940a..49796d2db86 100644
--- a/arch/arm/plat-s3c64xx/cpu.c
+++ b/arch/arm/plat-s3c64xx/cpu.c
@@ -107,6 +107,11 @@ static struct map_desc s3c_iodesc[] __initdata = {
 		.pfn		= __phys_to_pfn(S3C64XX_PA_WATCHDOG),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_USB_HSPHY),
+		.length		= SZ_1K,
+		.type		= MT_DEVICE,
 	},
 };
 
diff --git a/arch/arm/plat-s3c64xx/cpufreq.c b/arch/arm/plat-s3c64xx/cpufreq.c
index e6e0843215d..74c0e8347de 100644
--- a/arch/arm/plat-s3c64xx/cpufreq.c
+++ b/arch/arm/plat-s3c64xx/cpufreq.c
@@ -19,6 +19,7 @@
 
 static struct clk *armclk;
 static struct regulator *vddarm;
+static unsigned long regulator_latency;
 
 #ifdef CONFIG_CPU_S3C6410
 struct s3c64xx_dvfs {
@@ -27,11 +28,10 @@ struct s3c64xx_dvfs {
 };
 
 static struct s3c64xx_dvfs s3c64xx_dvfs_table[] = {
-	[0] = { 1000000, 1000000 },
-	[1] = { 1000000, 1050000 },
-	[2] = { 1050000, 1100000 },
-	[3] = { 1050000, 1150000 },
-	[4] = { 1250000, 1350000 },
+	[0] = { 1000000, 1150000 },
+	[1] = { 1050000, 1150000 },
+	[2] = { 1100000, 1150000 },
+	[3] = { 1200000, 1350000 },
 };
 
 static struct cpufreq_frequency_table s3c64xx_freq_table[] = {
@@ -41,9 +41,9 @@ static struct cpufreq_frequency_table s3c64xx_freq_table[] = {
 	{ 1, 266000 },
 	{ 2, 333000 },
 	{ 2, 400000 },
-	{ 3, 532000 },
-	{ 3, 533000 },
-	{ 4, 667000 },
+	{ 2, 532000 },
+	{ 2, 533000 },
+	{ 3, 667000 },
 	{ 0, CPUFREQ_TABLE_END },
 };
 #endif
@@ -141,7 +141,7 @@ err:
 }
 
 #ifdef CONFIG_REGULATOR
-static void __init s3c64xx_cpufreq_constrain_voltages(void)
+static void __init s3c64xx_cpufreq_config_regulator(void)
 {
 	int count, v, i, found;
 	struct cpufreq_frequency_table *freq;
@@ -150,11 +150,10 @@ static void __init s3c64xx_cpufreq_constrain_voltages(void)
 	count = regulator_count_voltages(vddarm);
 	if (count < 0) {
 		pr_err("cpufreq: Unable to check supported voltages\n");
-		return;
 	}
 
 	freq = s3c64xx_freq_table;
-	while (freq->frequency != CPUFREQ_TABLE_END) {
+	while (count > 0 && freq->frequency != CPUFREQ_TABLE_END) {
 		if (freq->frequency == CPUFREQ_ENTRY_INVALID)
 			continue;
 
@@ -175,6 +174,10 @@ static void __init s3c64xx_cpufreq_constrain_voltages(void)
 
 		freq++;
 	}
+
+	/* Guess based on having to do an I2C/SPI write; in future we
+	 * will be able to query the regulator performance here. */
+	regulator_latency = 1 * 1000 * 1000;
 }
 #endif
 
@@ -206,7 +209,7 @@ static int __init s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy)
 		pr_err("cpufreq: Only frequency scaling available\n");
 		vddarm = NULL;
 	} else {
-		s3c64xx_cpufreq_constrain_voltages();
+		s3c64xx_cpufreq_config_regulator();
 	}
 #endif
 
@@ -217,8 +220,11 @@ static int __init s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy)
 		/* Check for frequencies we can generate */
 		r = clk_round_rate(armclk, freq->frequency * 1000);
 		r /= 1000;
-		if (r != freq->frequency)
+		if (r != freq->frequency) {
+			pr_debug("cpufreq: %dkHz unsupported by clock\n",
+				 freq->frequency);
 			freq->frequency = CPUFREQ_ENTRY_INVALID;
+		}
 
 		/* If we have no regulator then assume startup
 		 * frequency is the maximum we can support. */
@@ -230,9 +236,11 @@ static int __init s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy)
 
 	policy->cur = clk_get_rate(armclk) / 1000;
 
-	/* Pick a conservative guess in ns: we'll need ~1 I2C/SPI
-	 * write plus clock reprogramming. */
-	policy->cpuinfo.transition_latency = 2 * 1000 * 1000;
+	/* Datasheet says PLL stabalisation time (if we were to use
+	 * the PLLs, which we don't currently) is ~300us worst case,
+	 * but add some fudge.
+	 */
+	policy->cpuinfo.transition_latency = (500 * 1000) + regulator_latency;
 
 	ret = cpufreq_frequency_table_cpuinfo(policy, s3c64xx_freq_table);
 	if (ret != 0) {
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index 92859290ea3..77856045727 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -213,6 +213,11 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = {
 	.get_pull	= s3c_gpio_getpull_updown,
 };
 
+int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin)
+{
+	return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO;
+}
+
 static struct s3c_gpio_chip gpio_4bit[] = {
 	{
 		.base	= S3C64XX_GPA_BASE,
@@ -269,10 +274,16 @@ static struct s3c_gpio_chip gpio_4bit[] = {
 			.base	= S3C64XX_GPM(0),
 			.ngpio	= S3C64XX_GPIO_M_NR,
 			.label	= "GPM",
+			.to_irq = s3c64xx_gpio2int_gpm,
 		},
 	},
 };
 
+int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin)
+{
+	return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO;
+}
+
 static struct s3c_gpio_chip gpio_4bit2[] = {
 	{
 		.base	= S3C64XX_GPH_BASE + 0x4,
@@ -297,6 +308,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = {
 			.base	= S3C64XX_GPL(0),
 			.ngpio	= S3C64XX_GPIO_L_NR,
 			.label	= "GPL",
+			.to_irq = s3c64xx_gpio2int_gpl,
 		},
 	},
 };
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c
index f81b7b818ba..ebdf183a091 100644
--- a/arch/arm/plat-s3c64xx/irq-eint.c
+++ b/arch/arm/plat-s3c64xx/irq-eint.c
@@ -65,7 +65,7 @@ static void s3c_irq_eint_maskack(unsigned int irq)
 static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
 {
 	int offs = eint_offset(irq);
-	int pin;
+	int pin, pin_val;
 	int shift;
 	u32 ctrl, mask;
 	u32 newvalue = 0;
@@ -109,7 +109,10 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
 		return -1;
 	}
 
-	shift = (offs / 2) * 4;
+	if (offs <= 15)
+		shift = (offs / 2) * 4;
+	else
+		shift = ((offs - 16) / 2) * 4;
 	mask = 0x7 << shift;
 
 	ctrl = __raw_readl(reg);
@@ -119,12 +122,18 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
 
 	/* set the GPIO pin appropriately */
 
-	if (offs < 23)
+	if (offs < 16) {
 		pin = S3C64XX_GPN(offs);
-	else
+		pin_val = S3C_GPIO_SFN(2);
+	} else if (offs < 23) {
+		pin = S3C64XX_GPL(offs + 8 - 16);
+		pin_val = S3C_GPIO_SFN(3);
+	} else {
 		pin = S3C64XX_GPM(offs - 23);
+		pin_val = S3C_GPIO_SFN(3);
+	}
 
-	s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(2));
+	s3c_gpio_cfgpin(pin, pin_val);
 
 	return 0;
 }
diff --git a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c b/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
index 5417123b0ac..a58c0cc7ba5 100644
--- a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
+++ b/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
@@ -53,3 +53,23 @@ void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
 	s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
 	s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
 }
+
+void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S3C64XX_GPH(6 + width);
+
+	/* Set all the necessary GPH pins to special-function 1 */
+	for (gpio = S3C64XX_GPH(6); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	/* Set all the necessary GPC pins to special-function 1 */
+	for (gpio = S3C64XX_GPC(4); gpio < S3C64XX_GPC(6); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+}