6 files changed, 306 insertions, 48 deletions

diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c
index e263fda3e2d1..970fd6b6753e 100644
--- a/arch/arm/mach-at91/board-afeb-9260v1.c
+++ b/arch/arm/mach-at91/board-afeb-9260v1.c
@@ -156,6 +156,8 @@ static struct atmel_nand_data __initdata afeb9260_nand_data = {
  * MCI (SD/MMC)
  */
 static struct at91_mmc_data __initdata afeb9260_mmc_data = {
+        .det_pin        = AT91_PIN_PC9,
+        .wp_pin         = AT91_PIN_PC4,
         .slot_b         = 1,
         .wire4          = 1,
 };
@@ -164,6 +166,8 @@ static struct at91_mmc_data __initdata afeb9260_mmc_data = {
 
 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
         {
+                I2C_BOARD_INFO("tlv320aic23", 0x1a),
+        }, {
                 I2C_BOARD_INFO("fm3130", 0x68),
         }, {
                 I2C_BOARD_INFO("24c64", 0x50),
@@ -196,6 +200,8 @@ static void __init afeb9260_board_init(void)
         /* I2C */
         at91_add_device_i2c(afeb9260_i2c_devices,
                         ARRAY_SIZE(afeb9260_i2c_devices));
+        /* Audio */
+        at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
 }
 
 MACHINE_START(AFEB9260, "Custom afeb9260 board")
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 438efbb17482..a55398ed1211 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -24,6 +24,8 @@
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/at73c213.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 #include <linux/clk.h>
 
 #include <mach/hardware.h>
@@ -218,6 +220,63 @@ static struct gpio_led ek_leds[] = {
         }
 };
 
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+        {
+                .gpio           = AT91_PIN_PA30,
+                .code           = BTN_3,
+                .desc           = "Button 3",
+                .active_low     = 1,
+                .wakeup         = 1,
+        },
+        {
+                .gpio           = AT91_PIN_PA31,
+                .code           = BTN_4,
+                .desc           = "Button 4",
+                .active_low     = 1,
+                .wakeup         = 1,
+        }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+        .buttons        = ek_buttons,
+        .nbuttons       = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &ek_button_data,
+        }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+        at91_set_gpio_input(AT91_PIN_PA30, 1);  /* btn3 */
+        at91_set_deglitch(AT91_PIN_PA30, 1);
+        at91_set_gpio_input(AT91_PIN_PA31, 1);  /* btn4 */
+        at91_set_deglitch(AT91_PIN_PA31, 1);
+
+        platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("24c512", 0x50),
+        },
+};
+
+
 static void __init ek_board_init(void)
 {
         /* Serial */
@@ -235,9 +294,11 @@ static void __init ek_board_init(void)
         /* MMC */
         at91_add_device_mmc(0, &ek_mmc_data);
         /* I2C */
-        at91_add_device_i2c(NULL, 0);
+        at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
         /* LEDs */
         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+        /* Push Buttons */
+        ek_add_device_buttons();
         /* PCK0 provides MCLK to the WM8731 */
         at91_set_B_periph(AT91_PIN_PC1, 0);
         /* SSC (for WM8731) */
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index 35e12a49d1a6..f6b5672cabd6 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -186,19 +186,21 @@ static struct fb_monspecs at91fb_default_monspecs = {
 static void at91_lcdc_power_control(int on)
 {
         if (on)
-                at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
+                at91_set_gpio_value(AT91_PIN_PC1, 0);   /* power up */
         else
-                at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
+                at91_set_gpio_value(AT91_PIN_PC1, 1);   /* power down */
 }
 
 /* Driver datas */
 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+        .lcdcon_is_backlight            = true,
         .default_bpp                    = 16,
         .default_dmacon                 = ATMEL_LCDC_DMAEN,
         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
         .default_monspecs               = &at91fb_default_monspecs,
         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
         .guard_time                     = 1,
+        .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
 };
 
 #else
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index e4345106ee57..bac578fe0d3d 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -43,6 +43,25 @@
 #define clk_is_sys(x)           ((x)->type & CLK_TYPE_SYSTEM)
 
 
+/*
+ * Chips have some kind of clocks : group them by functionality
+ */
+#define cpu_has_utmi()          (  cpu_is_at91cap9() \
+                                || cpu_is_at91sam9rl())
+
+#define cpu_has_800M_plla()     (cpu_is_at91sam9g20())
+
+#define cpu_has_pllb()          (!cpu_is_at91sam9rl())
+
+#define cpu_has_upll()          (0)
+
+/* USB host HS & FS */
+#define cpu_has_uhp()           (!cpu_is_at91sam9rl())
+
+/* USB device FS only */
+#define cpu_has_udpfs()         (!cpu_is_at91sam9rl())
+
+
 static LIST_HEAD(clocks);
 static DEFINE_SPINLOCK(clk_lock);
 
@@ -140,7 +159,7 @@ static struct clk utmi_clk = {
 };
 static struct clk uhpck = {
         .name           = "uhpck",
-        .parent         = &pllb,
+        /*.parent               = ... we choose parent at runtime */
         .mode           = pmc_sys_mode,
 };
 
@@ -173,7 +192,11 @@ static struct clk __init *at91_css_to_clk(unsigned long css)
                 case AT91_PMC_CSS_PLLA:
                         return &plla;
                 case AT91_PMC_CSS_PLLB:
-                        return &pllb;
+                        if (cpu_has_upll())
+                                /* CSS_PLLB == CSS_UPLL */
+                                return &utmi_clk;
+                        else if (cpu_has_pllb())
+                                return &pllb;
         }
 
         return NULL;
@@ -322,7 +345,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
                         u32     pckr;
 
                         pckr = at91_sys_read(AT91_PMC_PCKR(clk->id));
-                        pckr &= AT91_PMC_CSS_PLLB;      /* clock selection */
+                        pckr &= AT91_PMC_CSS;   /* clock selection */
                         pckr |= prescale << 2;
                         at91_sys_write(AT91_PMC_PCKR(clk->id), pckr);
                         clk->rate_hz = actual;
@@ -361,7 +384,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 }
 EXPORT_SYMBOL(clk_set_parent);
 
-/* establish PCK0..PCK3 parentage and rate */
+/* establish PCK0..PCKN parentage and rate */
 static void __init init_programmable_clock(struct clk *clk)
 {
         struct clk      *parent;
@@ -389,11 +412,13 @@ static int at91_clk_show(struct seq_file *s, void *unused)
         seq_printf(s, "MOR  = %8x\n", at91_sys_read(AT91_CKGR_MOR));
         seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR));
         seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR));
-        if (!cpu_is_at91sam9rl())
+        if (cpu_has_pllb())
                 seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
-        if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+        if (cpu_has_utmi())
                 seq_printf(s, "UCKR = %8x\n", uckr = at91_sys_read(AT91_CKGR_UCKR));
         seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR));
+        if (cpu_has_upll())
+                seq_printf(s, "USB  = %8x\n", at91_sys_read(AT91_PMC_USB));
         seq_printf(s, "SR   = %8x\n", sr = at91_sys_read(AT91_PMC_SR));
 
         seq_printf(s, "\n");
@@ -554,16 +579,60 @@ static struct clk *const standard_pmc_clocks[] __initdata = {
         &clk32k,
         &main_clk,
         &plla,
-        &pllb,
-
-        /* PLLB children (USB) */
-        &udpck,
-        &uhpck,
 
         /* MCK */
         &mck
 };
 
+/* PLLB generated USB full speed clock init */
+static void __init at91_pllb_usbfs_clock_init(unsigned long main_clock)
+{
+        /*
+         * USB clock init:  choose 48 MHz PLLB value,
+         * disable 48MHz clock during usb peripheral suspend.
+         *
+         * REVISIT:  assumes MCK doesn't derive from PLLB!
+         */
+        uhpck.parent = &pllb;
+
+        at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
+        pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
+        if (cpu_is_at91rm9200()) {
+                uhpck.pmc_mask = AT91RM9200_PMC_UHP;
+                udpck.pmc_mask = AT91RM9200_PMC_UDP;
+                at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP);
+        } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
+                uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
+                udpck.pmc_mask = AT91SAM926x_PMC_UDP;
+        } else if (cpu_is_at91cap9()) {
+                uhpck.pmc_mask = AT91CAP9_PMC_UHP;
+        }
+        at91_sys_write(AT91_CKGR_PLLBR, 0);
+
+        udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
+        uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
+}
+
+/* UPLL generated USB full speed clock init */
+static void __init at91_upll_usbfs_clock_init(unsigned long main_clock)
+{
+        /*
+         * USB clock init: choose 480 MHz from UPLL,
+         */
+        unsigned int usbr = AT91_PMC_USBS_UPLL;
+
+        /* Setup divider by 10 to reach 48 MHz */
+        usbr |= ((10 - 1) << 8) & AT91_PMC_OHCIUSBDIV;
+
+        at91_sys_write(AT91_PMC_USB, usbr);
+
+        /* Now set uhpck values */
+        uhpck.parent = &utmi_clk;
+        uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
+        uhpck.rate_hz = utmi_clk.parent->rate_hz;
+        uhpck.rate_hz /= 1 + ((at91_sys_read(AT91_PMC_USB) & AT91_PMC_OHCIUSBDIV) >> 8);
+}
+
 int __init at91_clock_init(unsigned long main_clock)
 {
         unsigned tmp, freq, mckr;
@@ -585,43 +654,37 @@ int __init at91_clock_init(unsigned long main_clock)
 
         /* report if PLLA is more than mildly overclocked */
         plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR));
-        if ((!cpu_is_at91sam9g20() && plla.rate_hz > 209000000)
-           || (cpu_is_at91sam9g20() && plla.rate_hz > 800000000))
+        if ((!cpu_has_800M_plla() && plla.rate_hz > 209000000)
+           || (cpu_has_800M_plla() && plla.rate_hz > 800000000))
                 pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000);
 
-        /*
-         * USB clock init:  choose 48 MHz PLLB value,
-         * disable 48MHz clock during usb peripheral suspend.
-         *
-         * REVISIT:  assumes MCK doesn't derive from PLLB!
-         */
-        at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
-        pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
-        if (cpu_is_at91rm9200()) {
-                uhpck.pmc_mask = AT91RM9200_PMC_UHP;
-                udpck.pmc_mask = AT91RM9200_PMC_UDP;
-                at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP);
-        } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
-                uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
-                udpck.pmc_mask = AT91SAM926x_PMC_UDP;
-        } else if (cpu_is_at91cap9()) {
-                uhpck.pmc_mask = AT91CAP9_PMC_UHP;
+
+        if (cpu_has_upll() && !cpu_has_pllb()) {
+                /* setup UTMI clock as the fourth primary clock
+                 * (instead of pllb) */
+                utmi_clk.type |= CLK_TYPE_PRIMARY;
+                utmi_clk.id = 3;
         }
-        at91_sys_write(AT91_CKGR_PLLBR, 0);
 
-        udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
-        uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
 
         /*
          * USB HS clock init
          */
-        if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) {
+        if (cpu_has_utmi())
                 /*
                  * multiplier is hard-wired to 40
                  * (obtain the USB High Speed 480 MHz when input is 12 MHz)
                  */
                 utmi_clk.rate_hz = 40 * utmi_clk.parent->rate_hz;
-        }
+
+        /*
+         * USB FS clock init
+         */
+        if (cpu_has_pllb())
+                at91_pllb_usbfs_clock_init(main_clock);
+        if (cpu_has_upll())
+                /* assumes that we choose UPLL for USB and not PLLA */
+                at91_upll_usbfs_clock_init(main_clock);
 
         /*
          * MCK and CPU derive from one of those primary clocks.
@@ -631,21 +694,31 @@ int __init at91_clock_init(unsigned long main_clock)
         mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS);
         freq = mck.parent->rate_hz;
         freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2));                           /* prescale */
-        if (cpu_is_at91rm9200())
+        if (cpu_is_at91rm9200()) {
                 mck.rate_hz = freq / (1 + ((mckr & AT91_PMC_MDIV) >> 8));       /* mdiv */
-        else if (cpu_is_at91sam9g20()) {
+        } else if (cpu_is_at91sam9g20()) {
                 mck.rate_hz = (mckr & AT91_PMC_MDIV) ?
                         freq / ((mckr & AT91_PMC_MDIV) >> 7) : freq;    /* mdiv ; (x >> 7) = ((x >> 8) * 2) */
                 if (mckr & AT91_PMC_PDIV)
                         freq /= 2;              /* processor clock division */
-        } else
+        } else {
                 mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8));      /* mdiv */
+        }
 
         /* Register the PMC's standard clocks */
         for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
                 list_add_tail(&standard_pmc_clocks[i]->node, &clocks);
 
-        if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+        if (cpu_has_pllb())
+                list_add_tail(&pllb.node, &clocks);
+
+        if (cpu_has_uhp())
+                list_add_tail(&uhpck.node, &clocks);
+
+        if (cpu_has_udpfs())
+                list_add_tail(&udpck.node, &clocks);
+
+        if (cpu_has_utmi())
                 list_add_tail(&utmi_clk.node, &clocks);
 
         /* MCK and CPU clock are "always on" */
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 9561e33b8a9a..64589eaaaee8 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -23,7 +23,7 @@
 #define         AT91_PMC_PCK            (1 <<  0)               /* Processor Clock */
 #define         AT91RM9200_PMC_UDP      (1 <<  1)               /* USB Devcice Port Clock [AT91RM9200 only] */
 #define         AT91RM9200_PMC_MCKUDP   (1 <<  2)               /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
-#define         AT91CAP9_PMC_DDR        (1 <<  2)               /* DDR Clock [AT91CAP9 revC only] */
+#define         AT91CAP9_PMC_DDR        (1 <<  2)               /* DDR Clock [CAP9 revC & some SAM9 only] */
 #define         AT91RM9200_PMC_UHP      (1 <<  4)               /* USB Host Port Clock [AT91RM9200 only] */
 #define         AT91SAM926x_PMC_UHP     (1 <<  6)               /* USB Host Port Clock [AT91SAM926x only] */
 #define         AT91CAP9_PMC_UHP        (1 <<  6)               /* USB Host Port Clock [AT91CAP9 only] */
@@ -39,11 +39,11 @@
 #define AT91_PMC_PCDR           (AT91_PMC + 0x14)       /* Peripheral Clock Disable Register */
 #define AT91_PMC_PCSR           (AT91_PMC + 0x18)       /* Peripheral Clock Status Register */
 
-#define AT91_CKGR_UCKR          (AT91_PMC + 0x1C)       /* UTMI Clock Register [SAM9RL, CAP9] */
+#define AT91_CKGR_UCKR          (AT91_PMC + 0x1C)       /* UTMI Clock Register [some SAM9, CAP9] */
 #define         AT91_PMC_UPLLEN         (1   << 16)             /* UTMI PLL Enable */
 #define         AT91_PMC_UPLLCOUNT      (0xf << 20)             /* UTMI PLL Start-up Time */
 #define         AT91_PMC_BIASEN         (1   << 24)             /* UTMI BIAS Enable */
-#define         AT91_PMC_BIASCOUNT      (0xf << 28)             /* UTMI PLL Start-up Time */
+#define         AT91_PMC_BIASCOUNT      (0xf << 28)             /* UTMI BIAS Start-up Time */
 
 #define AT91_CKGR_MOR           (AT91_PMC + 0x20)       /* Main Oscillator Register [not on SAM9RL] */
 #define         AT91_PMC_MOSCEN         (1    << 0)             /* Main Oscillator Enable */
@@ -72,6 +72,7 @@
 #define                 AT91_PMC_CSS_MAIN               (1 << 0)
 #define                 AT91_PMC_CSS_PLLA               (2 << 0)
 #define                 AT91_PMC_CSS_PLLB               (3 << 0)
+#define                 AT91_PMC_CSS_UPLL               (3 << 0)        /* [some SAM9 only] */
 #define         AT91_PMC_PRES           (7 <<  2)               /* Master Clock Prescaler */
 #define                 AT91_PMC_PRES_1                 (0 << 2)
 #define                 AT91_PMC_PRES_2                 (1 << 2)
@@ -88,12 +89,25 @@
 #define                 AT91SAM9_PMC_MDIV_1             (0 << 8)        /* [SAM9,CAP9 only] */
 #define                 AT91SAM9_PMC_MDIV_2             (1 << 8)
 #define                 AT91SAM9_PMC_MDIV_4             (2 << 8)
-#define                 AT91SAM9_PMC_MDIV_6             (3 << 8)
+#define                 AT91SAM9_PMC_MDIV_6             (3 << 8)        /* [some SAM9 only] */
+#define                 AT91SAM9_PMC_MDIV_3             (3 << 8)        /* [some SAM9 only] */
 #define         AT91_PMC_PDIV           (1 << 12)               /* Processor Clock Division [some SAM9 only] */
 #define                 AT91_PMC_PDIV_1                 (0 << 12)
 #define                 AT91_PMC_PDIV_2                 (1 << 12)
+#define         AT91_PMC_PLLADIV2       (1 << 12)               /* PLLA divisor by 2 [some SAM9 only] */
+#define                 AT91_PMC_PLLADIV2_OFF           (0 << 12)
+#define                 AT91_PMC_PLLADIV2_ON            (1 << 12)
 
-#define AT91_PMC_PCKR(n)        (AT91_PMC + 0x40 + ((n) * 4))   /* Programmable Clock 0-3 Registers */
+#define AT91_PMC_USB            (AT91_PMC + 0x38)       /* USB Clock Register [some SAM9 only] */
+#define         AT91_PMC_USBS           (0x1 <<  0)             /* USB OHCI Input clock selection */
+#define                 AT91_PMC_USBS_PLLA              (0 << 0)
+#define                 AT91_PMC_USBS_UPLL              (1 << 0)
+#define         AT91_PMC_OHCIUSBDIV     (0xF <<  8)             /* Divider for USB OHCI Clock */
+
+#define AT91_PMC_PCKR(n)        (AT91_PMC + 0x40 + ((n) * 4))   /* Programmable Clock 0-N Registers */
+#define         AT91_PMC_CSSMCK         (0x1 <<  8)             /* CSS or Master Clock Selection */
+#define                 AT91_PMC_CSSMCK_CSS             (0 << 8)
+#define                 AT91_PMC_CSSMCK_MCK             (1 << 8)
 
 #define AT91_PMC_IER            (AT91_PMC + 0x60)       /* Interrupt Enable Register */
 #define AT91_PMC_IDR            (AT91_PMC + 0x64)       /* Interrupt Disable Register */
@@ -102,7 +116,7 @@
 #define         AT91_PMC_LOCKA          (1 <<  1)               /* PLLA Lock */
 #define         AT91_PMC_LOCKB          (1 <<  2)               /* PLLB Lock */
 #define         AT91_PMC_MCKRDY         (1 <<  3)               /* Master Clock */
-#define         AT91_PMC_LOCKU          (1 <<  6)               /* UPLL Lock [AT91CAP9 only] */
+#define         AT91_PMC_LOCKU          (1 <<  6)               /* UPLL Lock [some SAM9, AT91CAP9 only] */
 #define         AT91_PMC_OSCSEL         (1 <<  7)               /* Slow Clock Oscillator [AT91CAP9 revC only] */
 #define         AT91_PMC_PCK0RDY        (1 <<  8)               /* Programmable Clock 0 */
 #define         AT91_PMC_PCK1RDY        (1 <<  9)               /* Programmable Clock 1 */
diff --git a/arch/arm/mach-at91/include/mach/at_hdmac.h b/arch/arm/mach-at91/include/mach/at_hdmac.h
new file mode 100644
index 000000000000..187cb58345c0
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at_hdmac.h
@@ -0,0 +1,102 @@
+/*
+ * Header file for the Atmel AHB DMA Controller driver
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef AT_HDMAC_H
+#define AT_HDMAC_H
+
+#include <linux/dmaengine.h>
+
+/**
+ * struct at_dma_platform_data - Controller configuration parameters
+ * @nr_channels: Number of channels supported by hardware (max 8)
+ * @cap_mask: dma_capability flags supported by the platform
+ */
+struct at_dma_platform_data {
+        unsigned int    nr_channels;
+        dma_cap_mask_t  cap_mask;
+};
+
+/**
+ * enum at_dma_slave_width - DMA slave register access width.
+ * @AT_DMA_SLAVE_WIDTH_8BIT: Do 8-bit slave register accesses
+ * @AT_DMA_SLAVE_WIDTH_16BIT: Do 16-bit slave register accesses
+ * @AT_DMA_SLAVE_WIDTH_32BIT: Do 32-bit slave register accesses
+ */
+enum at_dma_slave_width {
+        AT_DMA_SLAVE_WIDTH_8BIT = 0,
+        AT_DMA_SLAVE_WIDTH_16BIT,
+        AT_DMA_SLAVE_WIDTH_32BIT,
+};
+
+/**
+ * struct at_dma_slave - Controller-specific information about a slave
+ * @dma_dev: required DMA master device
+ * @tx_reg: physical address of data register used for
+ *      memory-to-peripheral transfers
+ * @rx_reg: physical address of data register used for
+ *      peripheral-to-memory transfers
+ * @reg_width: peripheral register width
+ * @cfg: Platform-specific initializer for the CFG register
+ * @ctrla: Platform-specific initializer for the CTRLA register
+ */
+struct at_dma_slave {
+        struct device           *dma_dev;
+        dma_addr_t              tx_reg;
+        dma_addr_t              rx_reg;
+        enum at_dma_slave_width reg_width;
+        u32                     cfg;
+        u32                     ctrla;
+};
+
+
+/* Platform-configurable bits in CFG */
+#define ATC_SRC_PER(h)          (0xFU & (h))    /* Channel src rq associated with periph handshaking ifc h */
+#define ATC_DST_PER(h)          ((0xFU & (h)) <<  4)    /* Channel dst rq associated with periph handshaking ifc h */
+#define ATC_SRC_REP             (0x1 <<  8)     /* Source Replay Mod */
+#define ATC_SRC_H2SEL           (0x1 <<  9)     /* Source Handshaking Mod */
+#define         ATC_SRC_H2SEL_SW        (0x0 <<  9)
+#define         ATC_SRC_H2SEL_HW        (0x1 <<  9)
+#define ATC_DST_REP             (0x1 << 12)     /* Destination Replay Mod */
+#define ATC_DST_H2SEL           (0x1 << 13)     /* Destination Handshaking Mod */
+#define         ATC_DST_H2SEL_SW        (0x0 << 13)
+#define         ATC_DST_H2SEL_HW        (0x1 << 13)
+#define ATC_SOD                 (0x1 << 16)     /* Stop On Done */
+#define ATC_LOCK_IF             (0x1 << 20)     /* Interface Lock */
+#define ATC_LOCK_B              (0x1 << 21)     /* AHB Bus Lock */
+#define ATC_LOCK_IF_L           (0x1 << 22)     /* Master Interface Arbiter Lock */
+#define         ATC_LOCK_IF_L_CHUNK     (0x0 << 22)
+#define         ATC_LOCK_IF_L_BUFFER    (0x1 << 22)
+#define ATC_AHB_PROT_MASK       (0x7 << 24)     /* AHB Protection */
+#define ATC_FIFOCFG_MASK        (0x3 << 28)     /* FIFO Request Configuration */
+#define         ATC_FIFOCFG_LARGESTBURST        (0x0 << 28)
+#define         ATC_FIFOCFG_HALFFIFO            (0x1 << 28)
+#define         ATC_FIFOCFG_ENOUGHSPACE         (0x2 << 28)
+
+/* Platform-configurable bits in CTRLA */
+#define ATC_SCSIZE_MASK         (0x7 << 16)     /* Source Chunk Transfer Size */
+#define         ATC_SCSIZE_1            (0x0 << 16)
+#define         ATC_SCSIZE_4            (0x1 << 16)
+#define         ATC_SCSIZE_8            (0x2 << 16)
+#define         ATC_SCSIZE_16           (0x3 << 16)
+#define         ATC_SCSIZE_32           (0x4 << 16)
+#define         ATC_SCSIZE_64           (0x5 << 16)
+#define         ATC_SCSIZE_128          (0x6 << 16)
+#define         ATC_SCSIZE_256          (0x7 << 16)
+#define ATC_DCSIZE_MASK         (0x7 << 20)     /* Destination Chunk Transfer Size */
+#define         ATC_DCSIZE_1            (0x0 << 20)
+#define         ATC_DCSIZE_4            (0x1 << 20)
+#define         ATC_DCSIZE_8            (0x2 << 20)
+#define         ATC_DCSIZE_16           (0x3 << 20)
+#define         ATC_DCSIZE_32           (0x4 << 20)
+#define         ATC_DCSIZE_64           (0x5 << 20)
+#define         ATC_DCSIZE_128          (0x6 << 20)
+#define         ATC_DCSIZE_256          (0x7 << 20)
+
+#endif /* AT_HDMAC_H */