1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_MACH_MFP_H 3#define __ASM_MACH_MFP_H 4 5#include <plat/mfp.h> 6 7/* 8 * NOTE: the MFPR register bit definitions on PXA168 processor lines are a 9 * bit different from those on PXA3xx. Bit [7:10] are now reserved, which 10 * were SLEEP_OE_N, SLEEP_DATA, SLEEP_SEL and the LSB of DRIVE bits. 11 * 12 * To cope with this difference and re-use the pxa3xx mfp code as much as 13 * possible, we make the following compromise: 14 * 15 * 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT) 16 * 2. DRIVE strength definitions redefined to include the reserved bit 17 * - the reserved bit differs between pxa168 and pxa910, and the 18 * MFP_DRIVE_* macros are individually defined in mfp-pxa{168,910}.h 19 * 3. Override MFP_CFG() and MFP_CFG_DRV() 20 * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X() 21 */ 22 23#undef MFP_CFG 24#undef MFP_CFG_DRV 25#undef MFP_CFG_LPM 26#undef MFP_CFG_X 27#undef MFP_CFG_DEFAULT 28 29#define MFP_CFG(pin, af) \ 30 (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM) 31 32#define MFP_CFG_DRV(pin, af, drv) \ 33 (MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv) 34 35#endif /* __ASM_MACH_MFP_H */ 36