AT91 SoCs have a memory range reserved for internal bus configuration.
Expose those registers so that drivers can make use of the matrix syscon
declared in at91 DTs.

Signed-off-by: Boris Brezillon <boris.brezil...@free-electrons.com>
Acked-by: Lee Jones <lee.jo...@linaro.org>
---
Changes since v3:
 - added AT91_MATRIX_USBPUCR_PUON definition
 - removed useless macros (those directly returning SoC specific register
   offsets)

 include/linux/mfd/syscon/atmel-matrix.h | 110 ++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 include/linux/mfd/syscon/atmel-matrix.h

diff --git a/include/linux/mfd/syscon/atmel-matrix.h 
b/include/linux/mfd/syscon/atmel-matrix.h
new file mode 100644
index 0000000..fc9bdca
--- /dev/null
+++ b/include/linux/mfd/syscon/atmel-matrix.h
@@ -0,0 +1,110 @@
+/*
+ *  Copyright (C) 2014 Atmel Corporation.
+ *
+ * Memory Controllers (MATRIX, EBI) - System peripherals registers.
+ *
+ * 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 _LINUX_MFD_SYSCON_ATMEL_MATRIX_H
+#define _LINUX_MFD_SYSCON_ATMEL_MATRIX_H
+
+#define AT91SAM9260_MATRIX_MCFG_OFF    0x00
+#define AT91SAM9260_MATRIX_SCFG_OFF    0x40
+#define AT91SAM9260_MATRIX_PRS_OFF     0x80
+#define AT91SAM9260_MATRIX_MRCR_OFF    0x100
+#define AT91SAM9260_MATRIX_EBICSA_OFF  0x11c
+
+#define AT91SAM9261_MATRIX_MRCR_OFF    0x0
+#define AT91SAM9261_MATRIX_SCFG_OFF    0x4
+#define AT91SAM9261_MATRIX_TCR_OFF     0x24
+#define AT91SAM9261_MATRIX_EBICSA_OFF  0x30
+#define AT91SAM9261_MATRIX_USBPUCR_OFF 0x34
+
+#define AT91SAM9263_MATRIX_MCFG_OFF    0x00
+#define AT91SAM9263_MATRIX_SCFG_OFF    0x40
+#define AT91SAM9263_MATRIX_PRS_OFF     0x80
+#define AT91SAM9263_MATRIX_MRCR_OFF    0x100
+#define AT91SAM9263_MATRIX_TCR_OFF     0x114
+#define AT91SAM9263_MATRIX_EBI0CSA_OFF 0x120
+#define AT91SAM9263_MATRIX_EBI1CSA_OFF 0x124
+
+#define AT91SAM9G45_MATRIX_MCFG_OFF    0x00
+#define AT91SAM9G45_MATRIX_SCFG_OFF    0x40
+#define AT91SAM9G45_MATRIX_PRS_OFF     0x80
+#define AT91SAM9G45_MATRIX_MRCR_OFF    0x100
+#define AT91SAM9G45_MATRIX_TCR_OFF     0x110
+#define AT91SAM9G45_MATRIX_DDRMPR_OFF  0x118
+#define AT91SAM9G45_MATRIX_EBICSA_OFF  0x128
+
+#define AT91SAM9N12_MATRIX_MCFG_OFF    0x00
+#define AT91SAM9N12_MATRIX_SCFG_OFF    0x40
+#define AT91SAM9N12_MATRIX_PRS_OFF     0x80
+#define AT91SAM9N12_MATRIX_MRCR_OFF    0x100
+#define AT91SAM9N12_MATRIX_EBICSA_OFF  0x118
+
+#define AT91SAM9X5_MATRIX_MCFG_OFF     0x00
+#define AT91SAM9X5_MATRIX_SCFG_OFF     0x40
+#define AT91SAM9X5_MATRIX_PRS_OFF      0x80
+#define AT91SAM9X5_MATRIX_MRCR_OFF     0x100
+#define AT91SAM9X5_MATRIX_EBICSA_OFF   0x120
+
+#define SAMA5D3_MATRIX_MCFG_OFF                0x00
+#define SAMA5D3_MATRIX_SCFG_OFF                0x40
+#define SAMA5D3_MATRIX_PRS_OFF         0x80
+#define SAMA5D3_MATRIX_MRCR_OFF                0x100
+
+#define AT91_MATRIX_MCFG(o, x)         ((o) + ((x) * 0x4))
+#define AT91_MATRIX_ULBT               (7 << 0)
+#define AT91_MATRIX_ULBT_INFINITE      (0 << 0)
+#define AT91_MATRIX_ULBT_SINGLE                (1 << 0)
+#define AT91_MATRIX_ULBT_FOUR          (2 << 0)
+#define AT91_MATRIX_ULBT_EIGHT         (3 << 0)
+#define AT91_MATRIX_ULBT_SIXTEEN       (4 << 0)
+
+#define AT91_MATRIX_SCFG(o, x)         ((o) + ((x) * 0x4))
+#define AT91_MATRIX_SLOT_CYCLE         (0xff <<  0)
+#define AT91_MATRIX_DEFMSTR_TYPE       (3 << 16)
+#define AT91_MATRIX_DEFMSTR_TYPE_NONE  (0 << 16)
+#define AT91_MATRIX_DEFMSTR_TYPE_LAST  (1 << 16)
+#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16)
+#define AT91_MATRIX_FIXED_DEFMSTR      (7 << 18)
+#define AT91_MATRIX_ARBT               (3 << 24)
+#define AT91_MATRIX_ARBT_ROUND_ROBIN   (0 << 24)
+#define AT91_MATRIX_ARBT_FIXED_PRIORITY        (1 << 24)
+
+#define AT91_MATRIX_ITCM_SIZE          (0xf << 0)
+#define AT91_MATRIX_ITCM_0             (0 << 0)
+#define AT91_MATRIX_ITCM_16            (5 << 0)
+#define AT91_MATRIX_ITCM_32            (6 << 0)
+#define AT91_MATRIX_ITCM_64            (7 << 0)
+#define        AT91_MATRIX_DTCM_SIZE           (0xf << 4)
+#define        AT91_MATRIX_DTCM_0              (0 << 4)
+#define        AT91_MATRIX_DTCM_16             (5 << 4)
+#define AT91_MATRIX_DTCM_32            (6 << 4)
+#define AT91_MATRIX_DTCM_64            (7 << 4)
+
+#define AT91_MATRIX_PRAS(o, x)         ((o) + ((x) * 0x8))
+#define AT91_MATRIX_PRBS(o, x)         ((o) + ((x) * 0x8) + 0x4)
+#define AT91_MATRIX_MPR_MSK(x)         (3 << ((x) * 0x4))
+
+#define AT91_MATRIX_RCB(x)             BIT(x)
+
+#define AT91_MATRIX_CSA(cs, val)       (val << (cs))
+#define AT91_MATRIX_DBPUC              BIT(8)
+#define AT91_MATRIX_DBPDC              BIT(9)
+#define AT91_MATRIX_VDDIOMSEL          BIT(16)
+#define AT91_MATRIX_VDDIOMSEL_1_8V     (0 << 16)
+#define AT91_MATRIX_VDDIOMSEL_3_3V     (1 << 16)
+#define AT91_MATRIX_EBI_IOSR           BIT(17)
+#define AT91_MATRIX_DDR_IOSR           BIT(18)
+#define AT91_MATRIX_NFD0_SELECT                BIT(24)
+#define AT91_MATRIX_DDR_MP_EN          BIT(25)
+#define AT91_MATRIX_EBI_NUM_CS         8
+
+#define AT91_MATRIX_USBPUCR_PUON       BIT(30)
+
+#endif /* _LINUX_MFD_SYSCON_ATMEL_MATRIX_H */
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to