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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-mmp/include/mach/mfp.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-mmp/include/mach/mfp.h')
-rw-r--r-- | arch/arm/mach-mmp/include/mach/mfp.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/mfp.h b/arch/arm/mach-mmp/include/mach/mfp.h new file mode 100644 index 00000000..62e510e8 --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/mfp.h @@ -0,0 +1,34 @@ +#ifndef __ASM_MACH_MFP_H +#define __ASM_MACH_MFP_H + +#include <plat/mfp.h> + +/* + * NOTE: the MFPR register bit definitions on PXA168 processor lines are a + * bit different from those on PXA3xx. Bit [7:10] are now reserved, which + * were SLEEP_OE_N, SLEEP_DATA, SLEEP_SEL and the LSB of DRIVE bits. + * + * To cope with this difference and re-use the pxa3xx mfp code as much as + * possible, we make the following compromise: + * + * 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT) + * 2. DRIVE strength definitions redefined to include the reserved bit + * - the reserved bit differs between pxa168 and pxa910, and the + * MFP_DRIVE_* macros are individually defined in mfp-pxa{168,910}.h + * 3. Override MFP_CFG() and MFP_CFG_DRV() + * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X() + */ + +#undef MFP_CFG +#undef MFP_CFG_DRV +#undef MFP_CFG_LPM +#undef MFP_CFG_X +#undef MFP_CFG_DEFAULT + +#define MFP_CFG(pin, af) \ + (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM) + +#define MFP_CFG_DRV(pin, af, drv) \ + (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv) + +#endif /* __ASM_MACH_MFP_H */ |