Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits)
  Fix soc_common PCMCIA configuration
  ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request
  ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver
  ARM: 5825/1: SA1100: h3600: update defconfig
  ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100
  ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys
  ARM: 5822/1: SA1100: h3100/h3600: clean up #includes
  ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates
  ARM: 5820/1: SA1100: h3100/h3600: split h3600.c
  ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h
  ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions
  ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs
  ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions
  ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers
  ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib
  ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver
  ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers
  ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib
  ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins
  ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h
  ...

6 files changed, 78 insertions, 24 deletions

diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c
index b1fdd83940a6..49796d2db86d 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 e6e0843215df..74c0e8347de5 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 92859290ea33..778560457277 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/include/plat/gpio-bank-c.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h
index c47daf7e2723..e22b49f4f982 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h
+++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h
@@ -36,18 +36,18 @@
 
 #define S3C64XX_GPC4_SPI_MISO1          (0x02 << 16)
 #define S3C64XX_GPC4_MMC2_CMD           (0x03 << 16)
-#define S3C64XX_GPC4_I2S0_V40_DO        (0x05 << 16)
+#define S3C64XX_GPC4_I2S_V40_DO0        (0x05 << 16)
 #define S3C64XX_GPC4_EINT_G2_4          (0x07 << 16)
 
 #define S3C64XX_GPC5_SPI_CLK1           (0x02 << 20)
 #define S3C64XX_GPC5_MMC2_CLK           (0x03 << 20)
-#define S3C64XX_GPC5_I2S1_V40_DO        (0x05 << 20)
+#define S3C64XX_GPC5_I2S_V40_DO1        (0x05 << 20)
 #define S3C64XX_GPC5_EINT_G2_5          (0x07 << 20)
 
 #define S3C64XX_GPC6_SPI_MOSI1          (0x02 << 24)
 #define S3C64XX_GPC6_EINT_G2_6          (0x07 << 24)
 
 #define S3C64XX_GPC7_SPI_nCS1           (0x02 << 28)
-#define S3C64XX_GPC7_I2S2_V40_DO        (0x05 << 28)
+#define S3C64XX_GPC7_I2S_V40_DO2        (0x05 << 28)
 #define S3C64XX_GPC7_EINT_G2_7          (0x07 << 28)
 
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c
index f81b7b818ba0..ebdf183a0911 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 5417123b0ac1..a58c0cc7ba5e 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);
+        }
+}