xref: /openbmc/u-boot/arch/m68k/include/asm/coldfire/pwm.h (revision d66ff4ba)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Pulse Width Modulation Memory Map
4  *
5  * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
6  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
7  */
8 
9 #ifndef __ATA_H__
10 #define __ATA_H__
11 
12 /* Pulse Width Modulation (PWM) */
13 typedef struct pwm_ctrl {
14 #ifdef CONFIG_M5272
15 	u8 cr0;
16 	u8 res1[3];
17 	u8 cr1;
18 	u8 res2[3];
19 	u8 cr2;
20 	u8 res3[7];
21 	u8 pwr0;
22 	u8 res4[3];
23 	u8 pwr1;
24 	u8 res5[3];
25 	u8 pwr2;
26 	u8 res6[7];
27 #else
28 	u8 en;			/* 0x00 PWM Enable */
29 	u8 pol;			/* 0x01 Polarity */
30 	u8 clk;			/* 0x02 Clock Select */
31 	u8 prclk;		/* 0x03 Prescale Clock Select */
32 	u8 cae;			/* 0x04 Center Align Enable */
33 	u8 ctl;			/* 0x05 Control */
34 	u16 res1;		/* 0x06 - 0x07 */
35 	u8 scla;		/* 0x08 Scale A */
36 	u8 sclb;		/* 0x09 Scale B */
37 	u16 res2;		/* 0x0A - 0x0B */
38 #ifdef CONFIG_M5275
39 	u8 cnt[4];		/* 0x0C Channel n Counter */
40 	u16 res3;		/* 0x10 - 0x11 */
41 	u8 per[4];		/* 0x14 Channel n Period */
42 	u16 res4;		/* 0x16 - 0x17 */
43 	u8 dty[4];		/* 0x18 Channel n Duty */
44 #else
45 	u8 cnt[8];		/* 0x0C Channel n Counter */
46 	u8 per[8];		/* 0x14 Channel n Period */
47 	u8 dty[8];		/* 0x1C Channel n Duty */
48 	u8 sdn;			/* 0x24 Shutdown */
49 	u8 res3[3];		/* 0x25 - 0x27 */
50 #endif				/* CONFIG_M5275 */
51 #endif				/* CONFIG_M5272 */
52 } pwm_t;
53 
54 #ifdef CONFIG_M5272
55 
56 #define PWM_CR_EN			(0x80)
57 #define PWM_CR_FRC1			(0x40)
58 #define PWM_CR_LVL			(0x20)
59 #define PWM_CR_CLKSEL(x)		((x) & 0x0F)
60 #define PWM_CR_CLKSEL_MASK		(0xF0)
61 
62 #else
63 
64 #define PWM_EN_PWMEn(x)			(1 << ((x) & 0x07))
65 #define PWM_EN_PWMEn_MASK		(0xF0)
66 
67 #define PWM_POL_PPOLn(x)		(1 << ((x) & 0x07))
68 #define PWM_POL_PPOLn_MASK		(0xF0)
69 
70 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
71 #define PWM_CLK_PCLKn_MASK		(0xF0)
72 
73 #define PWM_PRCLK_PCKB(x)		(((x) & 0x07) << 4)
74 #define PWM_PRCLK_PCKB_MASK		(0x8F)
75 #define PWM_PRCLK_PCKA(x)		((x) & 0x07)
76 #define PWM_PRCLK_PCKA_MASK		(0xF8)
77 
78 #define PWM_CLK_PCLKn(x)		(1 << ((x) & 0x07))
79 #define PWM_CLK_PCLKn_MASK		(0xF0)
80 
81 #define PWM_CTL_CON67			(0x80)
82 #define PWM_CTL_CON45			(0x40)
83 #define PWM_CTL_CON23			(0x20)
84 #define PWM_CTL_CON01			(0x10)
85 #define PWM_CTL_PSWAR			(0x08)
86 #define PWM_CTL_PFRZ			(0x04)
87 
88 #define PWM_SDN_IF			(0x80)
89 #define PWM_SDN_IE			(0x40)
90 #define PWM_SDN_RESTART			(0x20)
91 #define PWM_SDN_LVL			(0x10)
92 #define PWM_SDN_PWM7IN			(0x04)
93 #define PWM_SDN_PWM7IL			(0x02)
94 #define PWM_SDN_SDNEN			(0x01)
95 
96 #endif				/* CONFIG_M5272 */
97 
98 #endif				/* __ATA_H__ */
99