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st-pincfg.h


products/Sources/formale Sprachen/C/Linux/arch/arm/boot/dts/st/st-pincfg.h

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ST_PINCFG_H_ #define _ST_PINCFG_H_ /* Alternate functions */ #define ALT1 1 #define ALT2 2 #define ALT3 3 #define ALT4 4 #define ALT5 5 #define ALT6 6 #define ALT7 7 /* Output enable */ #define OE (1 << 27) /* Pull Up */ #define PU (1 << 26) /* Open Drain */ #define OD (1 << 25) #define RT (1 << 23) #define INVERTCLK (1 << 22) #define CLKNOTDATA (1 << 21) #define DOUBLE_EDGE (1 << 20) #define CLK_A (0 << 18) #define CLK_B (1 << 18) #define CLK_C (2 << 18) #define CLK_D (3 << 18) /* User-frendly defines for Pin Direction */ /* oe = 0, pu = 0, od = 0 */ #define IN (0) /* oe = 0, pu = 1, od = 0 */ #define IN_PU (PU) /* oe = 1, pu = 0, od = 0 */ #define OUT (OE) /* oe = 1, pu = 0, od = 1 */ #define BIDIR (OE | OD) /* oe = 1, pu = 1, od = 1 */ #define BIDIR_PU (OE | PU | OD) /* RETIME_TYPE */ /* * B Mode * Bypass retime with optional delay parameter */ #define BYPASS (0) /* * R0, R1, R0D, R1D modes * single-edge data non inverted clock, retime data with clk */ #define SE_NICLK_IO (RT) /* * RIV0, RIV1, RIV0D, RIV1D modes * single-edge data inverted clock, retime data with clk */ #define SE_ICLK_IO (RT | INVERTCLK) /* * R0E, R1E, R0ED, R1ED modes * double-edge data, retime data with clk */ #define DE_IO (RT | DOUBLE_EDGE) /* * CIV0, CIV1 modes with inverted clock * Retiming the clk pins will park clock & reduce the noise within the core. */ #define ICLK (RT | CLKNOTDATA | INVERTCLK) /* * CLK0, CLK1 modes with non-inverted clock * Retiming the clk pins will park clock & reduce the noise within the core. */ #define NICLK (RT | CLKNOTDATA) #endif /* _ST_PINCFG_H_ */

                                                                                                                                                                                                                                                                                                                                                                                                     

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