6 files changed, 116 insertions, 3 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 8b1038607831..b0c174012436 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -14,14 +14,19 @@
 #ifndef ASMARM_AMBA_H
 #define ASMARM_AMBA_H
 
+#include <linux/clk.h>
 #include <linux/device.h>
+#include <linux/err.h>
 #include <linux/resource.h>
 
 #define AMBA_NR_IRQS    2
 
+struct clk;
+
 struct amba_device {
         struct device           dev;
         struct resource         res;
+        struct clk              *pclk;
         u64                     dma_mask;
         unsigned int            periphid;
         unsigned int            irq[AMBA_NR_IRQS];
@@ -59,6 +64,12 @@ struct amba_device *amba_find_device(const char *, struct device *, unsigned int
 int amba_request_regions(struct amba_device *, const char *);
 void amba_release_regions(struct amba_device *);
 
+#define amba_pclk_enable(d)     \
+        (IS_ERR((d)->pclk) ? 0 : clk_enable((d)->pclk))
+
+#define amba_pclk_disable(d)    \
+        do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0)
+
 #define amba_config(d)  (((d)->periphid >> 24) & 0xff)
 #define amba_rev(d)     (((d)->periphid >> 20) & 0x0f)
 #define amba_manf(d)    (((d)->periphid >> 12) & 0xff)
diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h
index ca16c3801a1e..be33b3affc8a 100644
--- a/include/linux/amba/clcd.h
+++ b/include/linux/amba/clcd.h
@@ -150,6 +150,7 @@ struct clcd_fb {
         u16                     off_cntl;
         u32                     clcd_cntl;
         u32                     cmap[16];
+        bool                    clk_enabled;
 };
 
 static inline void clcdfb_decode(struct clcd_fb *fb, struct clcd_regs *regs)
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 6b4241748dda..ca84ce70d5d5 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -6,9 +6,32 @@
 
 #include <linux/mmc/host.h>
 
+/**
+ * struct mmci_platform_data - platform configuration for the MMCI
+ * (also known as PL180) block.
+ * @f_max: the maximum operational frequency for this host in this
+ * platform configuration. When this is specified it takes precedence
+ * over the module parameter for the same frequency.
+ * @ocr_mask: available voltages on the 4 pins from the block, this
+ * is ignored if a regulator is used, see the MMC_VDD_* masks in
+ * mmc/host.h
+ * @vdd_handler: a callback function to translate a MMC_VDD_*
+ * mask into a value to be binary (or set some other custom bits
+ * in MMCIPWR) or:ed and written into the MMCIPWR register of the
+ * block.  May also control external power based on the power_mode.
+ * @status: if no GPIO read function was given to the block in
+ * gpio_wp (below) this function will be called to determine
+ * whether a card is present in the MMC slot or not
+ * @gpio_wp: read this GPIO pin to see if the card is write protected
+ * @gpio_cd: read this GPIO pin to detect card insertion
+ * @capabilities: the capabilities of the block as implemented in
+ * this platform, signify anything MMC_CAP_* from mmc/host.h
+ */
 struct mmci_platform_data {
-        unsigned int ocr_mask;                  /* available voltages */
-        u32 (*translate_vdd)(struct device *, unsigned int);
+        unsigned int f_max;
+        unsigned int ocr_mask;
+        u32 (*vdd_handler)(struct device *, unsigned int vdd,
+                           unsigned char power_mode);
         unsigned int (*status)(struct device *);
         int     gpio_wp;
         int     gpio_cd;
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index e4836c6b3dd7..abf26cc47a2b 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -71,6 +71,7 @@ struct ssp_clock_params {
 
 /**
  * enum ssp_rx_endian - endianess of Rx FIFO Data
+ * this feature is only available in ST versionf of PL022
  */
 enum ssp_rx_endian {
         SSP_RX_MSB,
@@ -181,7 +182,8 @@ enum ssp_microwire_wait_state {
 };
 
 /**
- * enum Microwire - whether Full/Half Duplex
+ * enum ssp_duplex - whether Full/Half Duplex on microwire, only
+ * available in the ST Micro variant.
  * @SSP_MICROWIRE_CHANNEL_FULL_DUPLEX: SSPTXD becomes bi-directional,
  *     SSPRXD not used
  * @SSP_MICROWIRE_CHANNEL_HALF_DUPLEX: SSPTXD is an output, SSPRXD is
@@ -193,6 +195,31 @@ enum ssp_duplex {
 };
 
 /**
+ * enum ssp_clkdelay - an optional clock delay on the feedback clock
+ * only available in the ST Micro PL023 variant.
+ * @SSP_FEEDBACK_CLK_DELAY_NONE: no delay, the data coming in from the
+ * slave is sampled directly
+ * @SSP_FEEDBACK_CLK_DELAY_1T: the incoming slave data is sampled with
+ * a delay of T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_2T: dito with a delay if 2T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_3T: dito with a delay if 3T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_4T: dito with a delay if 4T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_5T: dito with a delay if 5T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_6T: dito with a delay if 6T-dt
+ * @SSP_FEEDBACK_CLK_DELAY_7T: dito with a delay if 7T-dt
+ */
+enum ssp_clkdelay {
+        SSP_FEEDBACK_CLK_DELAY_NONE,
+        SSP_FEEDBACK_CLK_DELAY_1T,
+        SSP_FEEDBACK_CLK_DELAY_2T,
+        SSP_FEEDBACK_CLK_DELAY_3T,
+        SSP_FEEDBACK_CLK_DELAY_4T,
+        SSP_FEEDBACK_CLK_DELAY_5T,
+        SSP_FEEDBACK_CLK_DELAY_6T,
+        SSP_FEEDBACK_CLK_DELAY_7T
+};
+
+/**
  * CHIP select/deselect commands
  */
 enum ssp_chip_select {
@@ -235,6 +262,8 @@ struct pl022_ssp_controller {
  * @ctrl_len: Microwire interface: Control length
  * @wait_state: Microwire interface: Wait state
  * @duplex: Microwire interface: Full/Half duplex
+ * @clkdelay: on the PL023 variant, the delay in feeback clock cycles
+ * before sampling the incoming line
  * @cs_control: function pointer to board-specific function to
  * assert/deassert I/O port to control HW generation of devices chip-select.
  * @dma_xfer_type: Type of DMA xfer (Mem-to-periph or Periph-to-Periph)
@@ -258,6 +287,7 @@ struct pl022_config_chip {
         enum ssp_microwire_ctrl_len ctrl_len;
         enum ssp_microwire_wait_state wait_state;
         enum ssp_duplex duplex;
+        enum ssp_clkdelay clkdelay;
         void (*cs_control) (u32 control);
 };
 
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
new file mode 100644
index 000000000000..cbee7de7dd36
--- /dev/null
+++ b/include/linux/amba/pl330.h
@@ -0,0 +1,45 @@
+/* linux/include/linux/amba/pl330.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *      Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * 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 __AMBA_PL330_H_
+#define __AMBA_PL330_H_
+
+#include <asm/hardware/pl330.h>
+
+struct dma_pl330_peri {
+        /*
+         * Peri_Req i/f of the DMAC that is
+         * peripheral could be reached from.
+         */
+        u8 peri_id; /* {0, 31} */
+        enum pl330_reqtype rqtype;
+
+        /* For M->D and D->M Channels */
+        int burst_sz; /* in power of 2 */
+        dma_addr_t fifo_addr;
+};
+
+struct dma_pl330_platdata {
+        /*
+         * Number of valid peripherals connected to DMAC.
+         * This may be different from the value read from
+         * CR0, as the PL330 implementation might have 'holes'
+         * in the peri list or the peri could also be reached
+         * from another DMAC which the platform prefers.
+         */
+        u8 nr_valid_peri;
+        /* Array of valid peripherals */
+        struct dma_pl330_peri *peri;
+        /* Bytes to allocate for MC buffer */
+        unsigned mcbuf_sz;
+};
+
+#endif  /* __AMBA_PL330_H_ */
diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 5a5a7fd62490..e1b634b635f2 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -38,10 +38,12 @@
 #define UART01x_FR              0x18    /* Flag register (Read only). */
 #define UART010_IIR             0x1C    /* Interrupt indentification register (Read). */
 #define UART010_ICR             0x1C    /* Interrupt clear register (Write). */
+#define ST_UART011_LCRH_RX      0x1C    /* Rx line control register. */
 #define UART01x_ILPR            0x20    /* IrDA low power counter register. */
 #define UART011_IBRD            0x24    /* Integer baud rate divisor register. */
 #define UART011_FBRD            0x28    /* Fractional baud rate divisor register. */
 #define UART011_LCRH            0x2c    /* Line control register. */
+#define ST_UART011_LCRH_TX      0x2c    /* Tx Line control register. */
 #define UART011_CR              0x30    /* Control register. */
 #define UART011_IFLS            0x34    /* Interrupt fifo level select. */
 #define UART011_IMSC            0x38    /* Interrupt mask. */
@@ -84,6 +86,7 @@
 #define UART010_CR_TIE          0x0020
 #define UART010_CR_RIE          0x0010
 #define UART010_CR_MSIE         0x0008
+#define ST_UART011_CR_OVSFACT   0x0008  /* Oversampling factor */
 #define UART01x_CR_IIRLP        0x0004  /* SIR low power mode */
 #define UART01x_CR_SIREN        0x0002  /* SIR enable */
 #define UART01x_CR_UARTEN       0x0001  /* UART enable */