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      1 #ifndef _ST_PINCFG_H_
      2 #define _ST_PINCFG_H_
      3 
      4 /* Alternate functions */
      5 #define ALT1	1
      6 #define ALT2	2
      7 #define ALT3	3
      8 #define ALT4	4
      9 #define ALT5	5
     10 #define ALT6	6
     11 #define ALT7	7
     12 
     13 /* Output enable */
     14 #define OE			(1 << 27)
     15 /* Pull Up */
     16 #define PU			(1 << 26)
     17 /* Open Drain */
     18 #define OD			(1 << 25)
     19 #define RT			(1 << 23)
     20 #define INVERTCLK		(1 << 22)
     21 #define CLKNOTDATA		(1 << 21)
     22 #define DOUBLE_EDGE		(1 << 20)
     23 #define CLK_A			(0 << 18)
     24 #define CLK_B			(1 << 18)
     25 #define CLK_C			(2 << 18)
     26 #define CLK_D			(3 << 18)
     27 
     28 /* User-frendly defines for Pin Direction */
     29 		/* oe = 0, pu = 0, od = 0 */
     30 #define IN			(0)
     31 		/* oe = 0, pu = 1, od = 0 */
     32 #define IN_PU			(PU)
     33 		/* oe = 1, pu = 0, od = 0 */
     34 #define OUT			(OE)
     35 		/* oe = 1, pu = 0, od = 1 */
     36 #define BIDIR			(OE | OD)
     37 		/* oe = 1, pu = 1, od = 1 */
     38 #define BIDIR_PU		(OE | PU | OD)
     39 
     40 /* RETIME_TYPE */
     41 /*
     42  * B Mode
     43  * Bypass retime with optional delay parameter
     44  */
     45 #define BYPASS		(0)
     46 /*
     47  * R0, R1, R0D, R1D modes
     48  * single-edge data non inverted clock, retime data with clk
     49  */
     50 #define SE_NICLK_IO	(RT)
     51 /*
     52  * RIV0, RIV1, RIV0D, RIV1D modes
     53  * single-edge data inverted clock, retime data with clk
     54  */
     55 #define SE_ICLK_IO	(RT | INVERTCLK)
     56 /*
     57  * R0E, R1E, R0ED, R1ED modes
     58  * double-edge data, retime data with clk
     59  */
     60 #define DE_IO		(RT | DOUBLE_EDGE)
     61 /*
     62  * CIV0, CIV1 modes with inverted clock
     63  * Retiming the clk pins will park clock & reduce the noise within the core.
     64  */
     65 #define ICLK		(RT | CLKNOTDATA | INVERTCLK)
     66 /*
     67  * CLK0, CLK1 modes with non-inverted clock
     68  * Retiming the clk pins will park clock & reduce the noise within the core.
     69  */
     70 #define NICLK		(RT | CLKNOTDATA)
     71 #endif /* _ST_PINCFG_H_ */
     72