License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2009-03-20 12:50:22 +08:00
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#ifndef __ASM_MACH_MFP_PXA910_H
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#define __ASM_MACH_MFP_PXA910_H
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2014-04-16 02:38:32 +08:00
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#include "mfp.h"
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2009-03-20 12:50:22 +08:00
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2009-05-20 16:49:57 +08:00
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#define MFP_DRIVE_VERY_SLOW (0x0 << 13)
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#define MFP_DRIVE_SLOW (0x2 << 13)
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#define MFP_DRIVE_MEDIUM (0x4 << 13)
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2011-01-08 03:27:46 +08:00
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#define MFP_DRIVE_FAST (0x6 << 13)
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2009-05-20 16:49:57 +08:00
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2009-03-20 12:50:22 +08:00
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/* UART2 */
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#define GPIO47_UART2_RXD MFP_CFG(GPIO47, AF6)
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#define GPIO48_UART2_TXD MFP_CFG(GPIO48, AF6)
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/* UART3 */
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#define GPIO31_UART3_RXD MFP_CFG(GPIO31, AF4)
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#define GPIO32_UART3_TXD MFP_CFG(GPIO32, AF4)
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/*IRDA*/
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#define GPIO51_IRDA_SHDN MFP_CFG(GPIO51, AF0)
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/* SMC */
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#define SM_nCS0_nCS0 MFP_CFG(SM_nCS0, AF0)
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#define SM_ADV_SM_ADV MFP_CFG(SM_ADV, AF0)
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#define SM_SCLK_SM_SCLK MFP_CFG(SM_SCLK, AF0)
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#define SM_BE0_SM_BE0 MFP_CFG(SM_BE0, AF1)
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#define SM_BE1_SM_BE1 MFP_CFG(SM_BE1, AF1)
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/* I2C */
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#define GPIO53_CI2C_SCL MFP_CFG(GPIO53, AF2)
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#define GPIO54_CI2C_SDA MFP_CFG(GPIO54, AF2)
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/* SSP1 (I2S) */
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#define GPIO24_SSP1_SDATA_IN MFP_CFG_DRV(GPIO24, AF1, MEDIUM)
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#define GPIO21_SSP1_BITCLK MFP_CFG_DRV(GPIO21, AF1, MEDIUM)
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#define GPIO20_SSP1_SYSCLK MFP_CFG_DRV(GPIO20, AF1, MEDIUM)
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#define GPIO22_SSP1_SYNC MFP_CFG_DRV(GPIO22, AF1, MEDIUM)
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#define GPIO23_SSP1_DATA_OUT MFP_CFG_DRV(GPIO23, AF1, MEDIUM)
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#define GPIO124_MN_CLK_OUT MFP_CFG_DRV(GPIO124, AF1, MEDIUM)
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#define GPIO123_CLK_REQ MFP_CFG_DRV(GPIO123, AF0, MEDIUM)
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/* DFI */
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#define DF_IO0_ND_IO0 MFP_CFG(DF_IO0, AF0)
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#define DF_IO1_ND_IO1 MFP_CFG(DF_IO1, AF0)
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#define DF_IO2_ND_IO2 MFP_CFG(DF_IO2, AF0)
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#define DF_IO3_ND_IO3 MFP_CFG(DF_IO3, AF0)
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#define DF_IO4_ND_IO4 MFP_CFG(DF_IO4, AF0)
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#define DF_IO5_ND_IO5 MFP_CFG(DF_IO5, AF0)
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#define DF_IO6_ND_IO6 MFP_CFG(DF_IO6, AF0)
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#define DF_IO7_ND_IO7 MFP_CFG(DF_IO7, AF0)
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#define DF_IO8_ND_IO8 MFP_CFG(DF_IO8, AF0)
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#define DF_IO9_ND_IO9 MFP_CFG(DF_IO9, AF0)
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#define DF_IO10_ND_IO10 MFP_CFG(DF_IO10, AF0)
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#define DF_IO11_ND_IO11 MFP_CFG(DF_IO11, AF0)
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#define DF_IO12_ND_IO12 MFP_CFG(DF_IO12, AF0)
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#define DF_IO13_ND_IO13 MFP_CFG(DF_IO13, AF0)
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#define DF_IO14_ND_IO14 MFP_CFG(DF_IO14, AF0)
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#define DF_IO15_ND_IO15 MFP_CFG(DF_IO15, AF0)
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#define DF_nCS0_SM_nCS2_nCS0 MFP_CFG(DF_nCS0_SM_nCS2, AF0)
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#define DF_ALE_SM_WEn_ND_ALE MFP_CFG(DF_ALE_SM_WEn, AF1)
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#define DF_CLE_SM_OEn_ND_CLE MFP_CFG(DF_CLE_SM_OEn, AF0)
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#define DF_WEn_DF_WEn MFP_CFG(DF_WEn, AF1)
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#define DF_REn_DF_REn MFP_CFG(DF_REn, AF1)
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#define DF_RDY0_DF_RDY0 MFP_CFG(DF_RDY0, AF0)
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/*keypad*/
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#define GPIO00_KP_MKIN0 MFP_CFG(GPIO0, AF1)
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#define GPIO01_KP_MKOUT0 MFP_CFG(GPIO1, AF1)
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#define GPIO02_KP_MKIN1 MFP_CFG(GPIO2, AF1)
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#define GPIO03_KP_MKOUT1 MFP_CFG(GPIO3, AF1)
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#define GPIO04_KP_MKIN2 MFP_CFG(GPIO4, AF1)
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#define GPIO05_KP_MKOUT2 MFP_CFG(GPIO5, AF1)
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#define GPIO06_KP_MKIN3 MFP_CFG(GPIO6, AF1)
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#define GPIO07_KP_MKOUT3 MFP_CFG(GPIO7, AF1)
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#define GPIO08_KP_MKIN4 MFP_CFG(GPIO8, AF1)
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#define GPIO09_KP_MKOUT4 MFP_CFG(GPIO9, AF1)
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#define GPIO10_KP_MKIN5 MFP_CFG(GPIO10, AF1)
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#define GPIO11_KP_MKOUT5 MFP_CFG(GPIO11, AF1)
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#define GPIO12_KP_MKIN6 MFP_CFG(GPIO12, AF1)
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#define GPIO13_KP_MKOUT6 MFP_CFG(GPIO13, AF1)
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#define GPIO14_KP_MKIN7 MFP_CFG(GPIO14, AF1)
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#define GPIO15_KP_MKOUT7 MFP_CFG(GPIO15, AF1)
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#define GPIO16_KP_DKIN0 MFP_CFG(GPIO16, AF1)
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#define GPIO17_KP_DKIN1 MFP_CFG(GPIO17, AF1)
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#define GPIO18_KP_DKIN2 MFP_CFG(GPIO18, AF1)
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#define GPIO19_KP_DKIN3 MFP_CFG(GPIO19, AF1)
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/* LCD */
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#define GPIO81_LCD_FCLK MFP_CFG(GPIO81, AF1)
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#define GPIO82_LCD_LCLK MFP_CFG(GPIO82, AF1)
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#define GPIO83_LCD_PCLK MFP_CFG(GPIO83, AF1)
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#define GPIO84_LCD_DENA MFP_CFG(GPIO84, AF1)
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#define GPIO85_LCD_DD0 MFP_CFG(GPIO85, AF1)
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#define GPIO86_LCD_DD1 MFP_CFG(GPIO86, AF1)
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#define GPIO87_LCD_DD2 MFP_CFG(GPIO87, AF1)
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#define GPIO88_LCD_DD3 MFP_CFG(GPIO88, AF1)
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#define GPIO89_LCD_DD4 MFP_CFG(GPIO89, AF1)
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#define GPIO90_LCD_DD5 MFP_CFG(GPIO90, AF1)
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#define GPIO91_LCD_DD6 MFP_CFG(GPIO91, AF1)
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#define GPIO92_LCD_DD7 MFP_CFG(GPIO92, AF1)
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#define GPIO93_LCD_DD8 MFP_CFG(GPIO93, AF1)
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#define GPIO94_LCD_DD9 MFP_CFG(GPIO94, AF1)
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#define GPIO95_LCD_DD10 MFP_CFG(GPIO95, AF1)
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#define GPIO96_LCD_DD11 MFP_CFG(GPIO96, AF1)
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#define GPIO97_LCD_DD12 MFP_CFG(GPIO97, AF1)
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#define GPIO98_LCD_DD13 MFP_CFG(GPIO98, AF1)
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#define GPIO100_LCD_DD14 MFP_CFG(GPIO100, AF1)
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#define GPIO101_LCD_DD15 MFP_CFG(GPIO101, AF1)
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#define GPIO102_LCD_DD16 MFP_CFG(GPIO102, AF1)
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#define GPIO103_LCD_DD17 MFP_CFG(GPIO103, AF1)
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#define GPIO104_LCD_DD18 MFP_CFG(GPIO104, AF1)
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#define GPIO105_LCD_DD19 MFP_CFG(GPIO105, AF1)
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#define GPIO106_LCD_DD20 MFP_CFG(GPIO106, AF1)
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#define GPIO107_LCD_DD21 MFP_CFG(GPIO107, AF1)
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#define GPIO108_LCD_DD22 MFP_CFG(GPIO108, AF1)
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#define GPIO109_LCD_DD23 MFP_CFG(GPIO109, AF1)
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#define GPIO104_LCD_SPIDOUT MFP_CFG(GPIO104, AF3)
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#define GPIO105_LCD_SPIDIN MFP_CFG(GPIO105, AF3)
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#define GPIO107_LCD_CS1 MFP_CFG(GPIO107, AF3)
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#define GPIO108_LCD_DCLK MFP_CFG(GPIO108, AF3)
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#define GPIO106_LCD_RESET MFP_CFG(GPIO106, AF0)
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/*smart panel*/
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#define GPIO82_LCD_A0 MFP_CFG(GPIO82, AF0)
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#define GPIO83_LCD_WR MFP_CFG(GPIO83, AF0)
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#define GPIO103_LCD_CS MFP_CFG(GPIO103, AF0)
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/*1wire*/
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#define GPIO106_1WIRE MFP_CFG(GPIO106, AF3)
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/*CCIC*/
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#define GPIO67_CCIC_IN7 MFP_CFG_DRV(GPIO67, AF1, MEDIUM)
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#define GPIO68_CCIC_IN6 MFP_CFG_DRV(GPIO68, AF1, MEDIUM)
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#define GPIO69_CCIC_IN5 MFP_CFG_DRV(GPIO69, AF1, MEDIUM)
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#define GPIO70_CCIC_IN4 MFP_CFG_DRV(GPIO70, AF1, MEDIUM)
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#define GPIO71_CCIC_IN3 MFP_CFG_DRV(GPIO71, AF1, MEDIUM)
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#define GPIO72_CCIC_IN2 MFP_CFG_DRV(GPIO72, AF1, MEDIUM)
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#define GPIO73_CCIC_IN1 MFP_CFG_DRV(GPIO73, AF1, MEDIUM)
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#define GPIO74_CCIC_IN0 MFP_CFG_DRV(GPIO74, AF1, MEDIUM)
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#define GPIO75_CAM_HSYNC MFP_CFG_DRV(GPIO75, AF1, MEDIUM)
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#define GPIO76_CAM_VSYNC MFP_CFG_DRV(GPIO76, AF1, MEDIUM)
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#define GPIO77_CAM_MCLK MFP_CFG_DRV(GPIO77, AF1, MEDIUM)
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#define GPIO78_CAM_PCLK MFP_CFG_DRV(GPIO78, AF1, MEDIUM)
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/* MMC1 */
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#define MMC1_DAT7_MMC1_DAT7 MFP_CFG_DRV(MMC1_DAT7, AF0, MEDIUM)
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#define MMC1_DAT6_MMC1_DAT6 MFP_CFG_DRV(MMC1_DAT6, AF0, MEDIUM)
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#define MMC1_DAT5_MMC1_DAT5 MFP_CFG_DRV(MMC1_DAT5, AF0, MEDIUM)
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#define MMC1_DAT4_MMC1_DAT4 MFP_CFG_DRV(MMC1_DAT4, AF0, MEDIUM)
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#define MMC1_DAT3_MMC1_DAT3 MFP_CFG_DRV(MMC1_DAT3, AF0, MEDIUM)
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#define MMC1_DAT2_MMC1_DAT2 MFP_CFG_DRV(MMC1_DAT2, AF0, MEDIUM)
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#define MMC1_DAT1_MMC1_DAT1 MFP_CFG_DRV(MMC1_DAT1, AF0, MEDIUM)
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#define MMC1_DAT0_MMC1_DAT0 MFP_CFG_DRV(MMC1_DAT0, AF0, MEDIUM)
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#define MMC1_CMD_MMC1_CMD MFP_CFG_DRV(MMC1_CMD, AF0, MEDIUM)
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#define MMC1_CLK_MMC1_CLK MFP_CFG_DRV(MMC1_CLK, AF0, MEDIUM)
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#define MMC1_CD_MMC1_CD MFP_CFG_DRV(MMC1_CD, AF0, MEDIUM)
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#define MMC1_WP_MMC1_WP MFP_CFG_DRV(MMC1_WP, AF0, MEDIUM)
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2009-04-13 18:29:52 +08:00
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/* PWM */
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2009-10-21 19:25:50 +08:00
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#define GPIO27_PWM3_AF2 MFP_CFG(GPIO27, AF2)
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2009-04-13 18:29:52 +08:00
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#define GPIO51_PWM2_OUT MFP_CFG(GPIO51, AF2)
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#define GPIO117_PWM1_OUT MFP_CFG(GPIO117, AF2)
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#define GPIO118_PWM2_OUT MFP_CFG(GPIO118, AF2)
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#define GPIO119_PWM3_OUT MFP_CFG(GPIO119, AF2)
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#define GPIO120_PWM4_OUT MFP_CFG(GPIO120, AF2)
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2009-03-20 12:50:22 +08:00
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#endif /* __ASM_MACH MFP_PXA910_H */
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