mfd: syscon: Add atmel-matrix registers definition

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.brezillon@free-electrons.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/include/linux/mfd/syscon/atmel-matrix.h b/include/linux/mfd/syscon/atmel-matrix.h
new file mode 100644 (file)
index 0000000..8293c3e
--- /dev/null
+++ b/include/linux/mfd/syscon/atmel-matrix.h
@@ -0,0 +1,117 @@
+/*
+ *  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                        0x00
+#define AT91SAM9260_MATRIX_SCFG                        0x40
+#define AT91SAM9260_MATRIX_PRS                 0x80
+#define AT91SAM9260_MATRIX_MRCR                        0x100
+#define AT91SAM9260_MATRIX_EBICSA              0x11c
+
+#define AT91SAM9261_MATRIX_MRCR                        0x0
+#define AT91SAM9261_MATRIX_SCFG                        0x4
+#define AT91SAM9261_MATRIX_TCR                 0x24
+#define AT91SAM9261_MATRIX_EBICSA              0x30
+#define AT91SAM9261_MATRIX_USBPUCR             0x34
+
+#define AT91SAM9263_MATRIX_MCFG                        0x00
+#define AT91SAM9263_MATRIX_SCFG                        0x40
+#define AT91SAM9263_MATRIX_PRS                 0x80
+#define AT91SAM9263_MATRIX_MRCR                        0x100
+#define AT91SAM9263_MATRIX_TCR                 0x114
+#define AT91SAM9263_MATRIX_EBI0CSA             0x120
+#define AT91SAM9263_MATRIX_EBI1CSA             0x124
+
+#define AT91SAM9RL_MATRIX_MCFG                 0x00
+#define AT91SAM9RL_MATRIX_SCFG                 0x40
+#define AT91SAM9RL_MATRIX_PRS                  0x80
+#define AT91SAM9RL_MATRIX_MRCR                 0x100
+#define AT91SAM9RL_MATRIX_TCR                  0x114
+#define AT91SAM9RL_MATRIX_EBICSA               0x120
+
+#define AT91SAM9G45_MATRIX_MCFG                        0x00
+#define AT91SAM9G45_MATRIX_SCFG                        0x40
+#define AT91SAM9G45_MATRIX_PRS                 0x80
+#define AT91SAM9G45_MATRIX_MRCR                        0x100
+#define AT91SAM9G45_MATRIX_TCR                 0x110
+#define AT91SAM9G45_MATRIX_DDRMPR              0x118
+#define AT91SAM9G45_MATRIX_EBICSA              0x128
+
+#define AT91SAM9N12_MATRIX_MCFG                        0x00
+#define AT91SAM9N12_MATRIX_SCFG                        0x40
+#define AT91SAM9N12_MATRIX_PRS                 0x80
+#define AT91SAM9N12_MATRIX_MRCR                        0x100
+#define AT91SAM9N12_MATRIX_EBICSA              0x118
+
+#define AT91SAM9X5_MATRIX_MCFG                 0x00
+#define AT91SAM9X5_MATRIX_SCFG                 0x40
+#define AT91SAM9X5_MATRIX_PRS                  0x80
+#define AT91SAM9X5_MATRIX_MRCR                 0x100
+#define AT91SAM9X5_MATRIX_EBICSA               0x120
+
+#define SAMA5D3_MATRIX_MCFG                    0x00
+#define SAMA5D3_MATRIX_SCFG                    0x40
+#define SAMA5D3_MATRIX_PRS                     0x80
+#define SAMA5D3_MATRIX_MRCR                    0x100
+
+#define AT91_MATRIX_MCFG(o, x)                 ((o) + ((x) * 0x4))
+#define AT91_MATRIX_ULBT                       GENMASK(2, 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                 GENMASK(7,  0)
+#define AT91_MATRIX_DEFMSTR_TYPE               GENMASK(17, 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              GENMASK(20, 18)
+#define AT91_MATRIX_ARBT                       GENMASK(25, 24)
+#define AT91_MATRIX_ARBT_ROUND_ROBIN           (0 << 24)
+#define AT91_MATRIX_ARBT_FIXED_PRIORITY                (1 << 24)
+
+#define AT91_MATRIX_ITCM_SIZE                  GENMASK(3, 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                   GENMASK(7, 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(x)                     GENMASK(((x) * 0x4) + 1, ((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 */