xref: /openbmc/u-boot/arch/m68k/include/asm/coldfire/pwm.h (revision baefb63a)
1 /*
2  * Pulse Width Modulation Memory Map
3  *
4  * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
5  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __ATA_H__
11 #define __ATA_H__
12 
13 /* Pulse Width Modulation (PWM) */
14 typedef struct pwm_ctrl {
15 #ifdef CONFIG_M5272
16 	u8 cr0;
17 	u8 res1[3];
18 	u8 cr1;
19 	u8 res2[3];
20 	u8 cr2;
21 	u8 res3[7];
22 	u8 pwr0;
23 	u8 res4[3];
24 	u8 pwr1;
25 	u8 res5[3];
26 	u8 pwr2;
27 	u8 res6[7];
28 #else
29 	u8 en;			/* 0x00 PWM Enable */
30 	u8 pol;			/* 0x01 Polarity */
31 	u8 clk;			/* 0x02 Clock Select */
32 	u8 prclk;		/* 0x03 Prescale Clock Select */
33 	u8 cae;			/* 0x04 Center Align Enable */
34 	u8 ctl;			/* 0x05 Control */
35 	u16 res1;		/* 0x06 - 0x07 */
36 	u8 scla;		/* 0x08 Scale A */
37 	u8 sclb;		/* 0x09 Scale B */
38 	u16 res2;		/* 0x0A - 0x0B */
39 #ifdef CONFIG_M5275
40 	u8 cnt[4];		/* 0x0C Channel n Counter */
41 	u16 res3;		/* 0x10 - 0x11 */
42 	u8 per[4];		/* 0x14 Channel n Period */
43 	u16 res4;		/* 0x16 - 0x17 */
44 	u8 dty[4];		/* 0x18 Channel n Duty */
45 #else
46 	u8 cnt[8];		/* 0x0C Channel n Counter */
47 	u8 per[8];		/* 0x14 Channel n Period */
48 	u8 dty[8];		/* 0x1C Channel n Duty */
49 	u8 sdn;			/* 0x24 Shutdown */
50 	u8 res3[3];		/* 0x25 - 0x27 */
51 #endif				/* CONFIG_M5275 */
52 #endif				/* CONFIG_M5272 */
53 } pwm_t;
54 
55 #ifdef CONFIG_M5272
56 
57 #define PWM_CR_EN			(0x80)
58 #define PWM_CR_FRC1			(0x40)
59 #define PWM_CR_LVL			(0x20)
60 #define PWM_CR_CLKSEL(x)		((x) & 0x0F)
61 #define PWM_CR_CLKSEL_MASK		(0xF0)
62 
63 #else
64 
65 #define PWM_EN_PWMEn(x)			(1 << ((x) & 0x07))
66 #define PWM_EN_PWMEn_MASK		(0xF0)
67 
68 #define PWM_POL_PPOLn(x)		(1 << ((x) & 0x07))
69 #define PWM_POL_PPOLn_MASK		(0xF0)
70 
71 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
72 #define PWM_CLK_PCLKn_MASK		(0xF0)
73 
74 #define PWM_PRCLK_PCKB(x)		(((x) & 0x07) << 4)
75 #define PWM_PRCLK_PCKB_MASK		(0x8F)
76 #define PWM_PRCLK_PCKA(x)		((x) & 0x07)
77 #define PWM_PRCLK_PCKA_MASK		(0xF8)
78 
79 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
80 #define PWM_CLK_PCLKn_MASK		(0xF0)
81 
82 #define PWM_CTL_CON67			(0x80)
83 #define PWM_CTL_CON45			(0x40)
84 #define PWM_CTL_CON23			(0x20)
85 #define PWM_CTL_CON01			(0x10)
86 #define PWM_CTL_PSWAR			(0x08)
87 #define PWM_CTL_PFRZ			(0x04)
88 
89 #define PWM_SDN_IF			(0x80)
90 #define PWM_SDN_IE			(0x40)
91 #define PWM_SDN_RESTART			(0x20)
92 #define PWM_SDN_LVL			(0x10)
93 #define PWM_SDN_PWM7IN			(0x04)
94 #define PWM_SDN_PWM7IL			(0x02)
95 #define PWM_SDN_SDNEN			(0x01)
96 
97 #endif				/* CONFIG_M5272 */
98 
99 #endif				/* __ATA_H__ */
100