5 files changed, 208 insertions, 33 deletions

diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h
new file mode 100644
index 000000000000..a6911ebbd02a
--- /dev/null
+++ b/include/linux/clk/at91_pmc.h
@@ -0,0 +1,192 @@
+/*
+ * include/linux/clk/at91_pmc.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Power Management Controller (PMC) - System peripherals registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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 AT91_PMC_H
+#define AT91_PMC_H
+
+#ifndef __ASSEMBLY__
+extern void __iomem *at91_pmc_base;
+
+#define at91_pmc_read(field) \
+        __raw_readl(at91_pmc_base + field)
+
+#define at91_pmc_write(field, value) \
+        __raw_writel(value, at91_pmc_base + field)
+#else
+.extern at91_pmc_base
+#endif
+
+#define AT91_PMC_SCER           0x00                    /* System Clock Enable Register */
+#define AT91_PMC_SCDR           0x04                    /* System Clock Disable Register */
+
+#define AT91_PMC_SCSR           0x08                    /* System Clock Status Register */
+#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         AT91RM9200_PMC_UHP      (1 <<  4)               /* USB Host Port Clock [AT91RM9200 only] */
+#define         AT91SAM926x_PMC_UHP     (1 <<  6)               /* USB Host Port Clock [AT91SAM926x only] */
+#define         AT91SAM926x_PMC_UDP     (1 <<  7)               /* USB Devcice Port Clock [AT91SAM926x only] */
+#define         AT91_PMC_PCK0           (1 <<  8)               /* Programmable Clock 0 */
+#define         AT91_PMC_PCK1           (1 <<  9)               /* Programmable Clock 1 */
+#define         AT91_PMC_PCK2           (1 << 10)               /* Programmable Clock 2 */
+#define         AT91_PMC_PCK3           (1 << 11)               /* Programmable Clock 3 */
+#define         AT91_PMC_PCK4           (1 << 12)               /* Programmable Clock 4 [AT572D940HF only] */
+#define         AT91_PMC_HCK0           (1 << 16)               /* AHB Clock (USB host) [AT91SAM9261 only] */
+#define         AT91_PMC_HCK1           (1 << 17)               /* AHB Clock (LCD) [AT91SAM9261 only] */
+
+#define AT91_PMC_PCER           0x10                    /* Peripheral Clock Enable Register */
+#define AT91_PMC_PCDR           0x14                    /* Peripheral Clock Disable Register */
+#define AT91_PMC_PCSR           0x18                    /* Peripheral Clock Status Register */
+
+#define AT91_CKGR_UCKR          0x1C                    /* UTMI Clock Register [some SAM9] */
+#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 BIAS Start-up Time */
+
+#define AT91_CKGR_MOR           0x20                    /* Main Oscillator Register [not on SAM9RL] */
+#define         AT91_PMC_MOSCEN         (1    <<  0)            /* Main Oscillator Enable */
+#define         AT91_PMC_OSCBYPASS      (1    <<  1)            /* Oscillator Bypass */
+#define         AT91_PMC_MOSCRCEN       (1    <<  3)            /* Main On-Chip RC Oscillator Enable [some SAM9] */
+#define         AT91_PMC_OSCOUNT        (0xff <<  8)            /* Main Oscillator Start-up Time */
+#define         AT91_PMC_KEY            (0x37 << 16)            /* MOR Writing Key */
+#define         AT91_PMC_MOSCSEL        (1    << 24)            /* Main Oscillator Selection [some SAM9] */
+#define         AT91_PMC_CFDEN          (1    << 25)            /* Clock Failure Detector Enable [some SAM9] */
+
+#define AT91_CKGR_MCFR          0x24                    /* Main Clock Frequency Register */
+#define         AT91_PMC_MAINF          (0xffff <<  0)          /* Main Clock Frequency */
+#define         AT91_PMC_MAINRDY        (1      << 16)          /* Main Clock Ready */
+
+#define AT91_CKGR_PLLAR         0x28                    /* PLL A Register */
+#define AT91_CKGR_PLLBR         0x2c                    /* PLL B Register */
+#define         AT91_PMC_DIV            (0xff  <<  0)           /* Divider */
+#define         AT91_PMC_PLLCOUNT       (0x3f  <<  8)           /* PLL Counter */
+#define         AT91_PMC_OUT            (3     << 14)           /* PLL Clock Frequency Range */
+#define         AT91_PMC_MUL            (0x7ff << 16)           /* PLL Multiplier */
+#define         AT91_PMC_MUL_GET(n)     ((n) >> 16 & 0x7ff)
+#define         AT91_PMC3_MUL           (0x7f  << 18)           /* PLL Multiplier [SAMA5 only] */
+#define         AT91_PMC3_MUL_GET(n)    ((n) >> 18 & 0x7f)
+#define         AT91_PMC_USBDIV         (3     << 28)           /* USB Divisor (PLLB only) */
+#define                 AT91_PMC_USBDIV_1               (0 << 28)
+#define                 AT91_PMC_USBDIV_2               (1 << 28)
+#define                 AT91_PMC_USBDIV_4               (2 << 28)
+#define         AT91_PMC_USB96M         (1     << 28)           /* Divider by 2 Enable (PLLB only) */
+
+#define AT91_PMC_MCKR           0x30                    /* Master Clock Register */
+#define         AT91_PMC_CSS            (3 <<  0)               /* Master Clock Selection */
+#define                 AT91_PMC_CSS_SLOW               (0 << 0)
+#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         PMC_PRES_OFFSET         2
+#define         AT91_PMC_PRES           (7 <<  PMC_PRES_OFFSET)         /* Master Clock Prescaler */
+#define                 AT91_PMC_PRES_1                 (0 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_2                 (1 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_4                 (2 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_8                 (3 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_16                (4 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_32                (5 << PMC_PRES_OFFSET)
+#define                 AT91_PMC_PRES_64                (6 << PMC_PRES_OFFSET)
+#define         PMC_ALT_PRES_OFFSET     4
+#define         AT91_PMC_ALT_PRES       (7 <<  PMC_ALT_PRES_OFFSET)             /* Master Clock Prescaler [alternate location] */
+#define                 AT91_PMC_ALT_PRES_1             (0 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_2             (1 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_4             (2 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_8             (3 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_16            (4 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_32            (5 << PMC_ALT_PRES_OFFSET)
+#define                 AT91_PMC_ALT_PRES_64            (6 << PMC_ALT_PRES_OFFSET)
+#define         AT91_PMC_MDIV           (3 <<  8)               /* Master Clock Division */
+#define                 AT91RM9200_PMC_MDIV_1           (0 << 8)        /* [AT91RM9200 only] */
+#define                 AT91RM9200_PMC_MDIV_2           (1 << 8)
+#define                 AT91RM9200_PMC_MDIV_3           (2 << 8)
+#define                 AT91RM9200_PMC_MDIV_4           (3 << 8)
+#define                 AT91SAM9_PMC_MDIV_1             (0 << 8)        /* [SAM9 only] */
+#define                 AT91SAM9_PMC_MDIV_2             (1 << 8)
+#define                 AT91SAM9_PMC_MDIV_4             (2 << 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_USB            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_USBS_PLLB              (1 << 0)        /* [AT91SAMN12 only] */
+#define         AT91_PMC_OHCIUSBDIV     (0xF <<  8)             /* Divider for USB OHCI Clock */
+#define                 AT91_PMC_OHCIUSBDIV_1   (0x0 <<  8)
+#define                 AT91_PMC_OHCIUSBDIV_2   (0x1 <<  8)
+
+#define AT91_PMC_SMD            0x3c                    /* Soft Modem Clock Register [some SAM9 only] */
+#define         AT91_PMC_SMDS           (0x1  <<  0)            /* SMD input clock selection */
+#define         AT91_PMC_SMD_DIV        (0x1f <<  8)            /* SMD input clock divider */
+#define         AT91_PMC_SMDDIV(n)      (((n) <<  8) & AT91_PMC_SMD_DIV)
+
+#define AT91_PMC_PCKR(n)        (0x40 + ((n) * 4))      /* Programmable Clock 0-N Registers */
+#define         AT91_PMC_ALT_PCKR_CSS   (0x7 <<  0)             /* Programmable Clock Source Selection [alternate length] */
+#define                 AT91_PMC_CSS_MASTER             (4 << 0)        /* [some SAM9 only] */
+#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            0x60                    /* Interrupt Enable Register */
+#define AT91_PMC_IDR            0x64                    /* Interrupt Disable Register */
+#define AT91_PMC_SR             0x68                    /* Status Register */
+#define         AT91_PMC_MOSCS          (1 <<  0)               /* MOSCS Flag */
+#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 [some SAM9] */
+#define         AT91_PMC_PCK0RDY        (1 <<  8)               /* Programmable Clock 0 */
+#define         AT91_PMC_PCK1RDY        (1 <<  9)               /* Programmable Clock 1 */
+#define         AT91_PMC_PCK2RDY        (1 << 10)               /* Programmable Clock 2 */
+#define         AT91_PMC_PCK3RDY        (1 << 11)               /* Programmable Clock 3 */
+#define         AT91_PMC_MOSCSELS       (1 << 16)               /* Main Oscillator Selection [some SAM9] */
+#define         AT91_PMC_MOSCRCS        (1 << 17)               /* Main On-Chip RC [some SAM9] */
+#define         AT91_PMC_CFDEV          (1 << 18)               /* Clock Failure Detector Event [some SAM9] */
+#define AT91_PMC_IMR            0x6c                    /* Interrupt Mask Register */
+
+#define AT91_PMC_PLLICPR        0x80                    /* PLL Charge Pump Current Register */
+
+#define AT91_PMC_PROT           0xe4                    /* Write Protect Mode Register [some SAM9] */
+#define         AT91_PMC_WPEN           (0x1  <<  0)            /* Write Protect Enable */
+#define         AT91_PMC_WPKEY          (0xffffff << 8)         /* Write Protect Key */
+#define         AT91_PMC_PROTKEY        (0x504d43 << 8)         /* Activation Code */
+
+#define AT91_PMC_WPSR           0xe8                    /* Write Protect Status Register [some SAM9] */
+#define         AT91_PMC_WPVS           (0x1  <<  0)            /* Write Protect Violation Status */
+#define         AT91_PMC_WPVSRC         (0xffff  <<  8)         /* Write Protect Violation Source */
+
+#define AT91_PMC_PCER1          0x100                   /* Peripheral Clock Enable Register 1 [SAMA5 only]*/
+#define AT91_PMC_PCDR1          0x104                   /* Peripheral Clock Enable Register 1 */
+#define AT91_PMC_PCSR1          0x108                   /* Peripheral Clock Enable Register 1 */
+
+#define AT91_PMC_PCR            0x10c                   /* Peripheral Control Register [some SAM9 and SAMA5] */
+#define         AT91_PMC_PCR_PID        (0x3f  <<  0)           /* Peripheral ID */
+#define         AT91_PMC_PCR_CMD        (0x1  <<  12)           /* Command (read=0, write=1) */
+#define         AT91_PMC_PCR_DIV(n)     ((n)  <<  16)           /* Divisor Value */
+#define                 AT91_PMC_PCR_DIV0       0x0                     /* Peripheral clock is MCK */
+#define                 AT91_PMC_PCR_DIV2       0x1                     /* Peripheral clock is MCK/2 */
+#define                 AT91_PMC_PCR_DIV4       0x2                     /* Peripheral clock is MCK/4 */
+#define                 AT91_PMC_PCR_DIV8       0x3                     /* Peripheral clock is MCK/8 */
+#define         AT91_PMC_PCR_EN         (0x1  <<  28)           /* Enable */
+
+#endif
diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h
index 23a0ceee831f..3ca9fca827a2 100644
--- a/include/linux/clk/tegra.h
+++ b/include/linux/clk/tegra.h
@@ -120,13 +120,6 @@ static inline void tegra_cpu_clock_resume(void)
 }
 #endif
 
-#ifdef CONFIG_ARCH_TEGRA
-void tegra_periph_reset_deassert(struct clk *c);
-void tegra_periph_reset_assert(struct clk *c);
-#else
-static inline void tegra_periph_reset_deassert(struct clk *c) {}
-static inline void tegra_periph_reset_assert(struct clk *c) {}
-#endif
 void tegra_clocks_apply_init_table(void);
 
 #endif /* __LINUX_CLK_TEGRA_H_ */
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index ba5f96db0754..6fd9390ccf91 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1115,6 +1115,7 @@ int dma_async_device_register(struct dma_device *device);
 void dma_async_device_unregister(struct dma_device *device);
 void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
 struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);
+struct dma_chan *dma_get_any_slave_channel(struct dma_device *device);
 struct dma_chan *net_dma_find_channel(void);
 #define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)
 #define dma_request_slave_channel_compat(mask, x, y, dev, name) \
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 50fe651da965..af414e1895a5 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -11,11 +11,11 @@
 #define SCIx_NOT_SUPPORTED      (-1)
 
 enum {
-        SCBRR_ALGO_1,           /* ((clk + 16 * bps) / (16 * bps) - 1) */
-        SCBRR_ALGO_2,           /* ((clk + 16 * bps) / (32 * bps) - 1) */
-        SCBRR_ALGO_3,           /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */
-        SCBRR_ALGO_4,           /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */
-        SCBRR_ALGO_5,           /* (((clk * 1000 / 32) / bps) - 1) */
+        SCBRR_ALGO_NONE,        /* Compute sampling rate in the driver */
+        SCBRR_ALGO_1,           /* clk / (16 * bps) */
+        SCBRR_ALGO_2,           /* DIV_ROUND_CLOSEST(clk, 32 * bps) - 1 */
+        SCBRR_ALGO_3,           /* clk / (8 * bps) */
+        SCBRR_ALGO_4,           /* DIV_ROUND_CLOSEST(clk, 16 * bps) - 1 */
         SCBRR_ALGO_6,           /* HSCIF variable sample rate algorithm */
 };
 
@@ -70,17 +70,6 @@ enum {
         SCIx_MUX_IRQ = SCIx_NR_IRQS,    /* special case */
 };
 
-/* Offsets into the sci_port->gpios array */
-enum {
-        SCIx_SCK,
-        SCIx_RXD,
-        SCIx_TXD,
-        SCIx_CTS,
-        SCIx_RTS,
-
-        SCIx_NR_FNS,
-};
-
 enum {
         SCIx_PROBE_REGTYPE,
 
@@ -108,10 +97,10 @@ enum {
 }
 
 #define SCIx_IRQ_IS_MUXED(port)                 \
-        ((port)->cfg->irqs[SCIx_ERI_IRQ] ==     \
-         (port)->cfg->irqs[SCIx_RXI_IRQ]) ||    \
-        ((port)->cfg->irqs[SCIx_ERI_IRQ] &&     \
-         !(port)->cfg->irqs[SCIx_RXI_IRQ])
+        ((port)->irqs[SCIx_ERI_IRQ] ==  \
+         (port)->irqs[SCIx_RXI_IRQ]) || \
+        ((port)->irqs[SCIx_ERI_IRQ] &&  \
+         ((port)->irqs[SCIx_RXI_IRQ] < 0))
 /*
  * SCI register subset common for all port types.
  * Not all registers will exist on all parts.
@@ -142,20 +131,17 @@ struct plat_sci_port_ops {
 struct plat_sci_port {
         unsigned long   mapbase;                /* resource base */
         unsigned int    irqs[SCIx_NR_IRQS];     /* ERI, RXI, TXI, BRI */
-        unsigned int    gpios[SCIx_NR_FNS];     /* SCK, RXD, TXD, CTS, RTS */
         unsigned int    type;                   /* SCI / SCIF / IRDA / HSCIF */
         upf_t           flags;                  /* UPF_* flags */
         unsigned long   capabilities;           /* Port features/capabilities */
 
+        unsigned int    sampling_rate;
         unsigned int    scbrr_algo_id;          /* SCBRR calculation algo */
         unsigned int    scscr;                  /* SCSCR initialization */
 
         /*
          * Platform overrides if necessary, defaults otherwise.
          */
-        int             overrun_bit;
-        unsigned int    error_mask;
-
         int             port_reg;
         unsigned char   regshift;
         unsigned char   regtype;
diff --git a/include/linux/tegra-powergate.h b/include/linux/tegra-powergate.h
index fd4498329c7c..afe442d2629a 100644
--- a/include/linux/tegra-powergate.h
+++ b/include/linux/tegra-powergate.h
@@ -19,6 +19,7 @@
 #define _MACH_TEGRA_POWERGATE_H_
 
 struct clk;
+struct reset_control;
 
 #define TEGRA_POWERGATE_CPU     0
 #define TEGRA_POWERGATE_3D      1
@@ -52,7 +53,8 @@ int tegra_powergate_power_off(int id);
 int tegra_powergate_remove_clamping(int id);
 
 /* Must be called with clk disabled, and returns with clk enabled */
-int tegra_powergate_sequence_power_up(int id, struct clk *clk);
+int tegra_powergate_sequence_power_up(int id, struct clk *clk,
+                                      struct reset_control *rst);
 #else
 static inline int tegra_powergate_is_powered(int id)
 {
@@ -74,7 +76,8 @@ static inline int tegra_powergate_remove_clamping(int id)
         return -ENOSYS;
 }
 
-static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk)
+static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk,
+                                                    struct reset_control *rst);
 {
         return -ENOSYS;
 }