xref: /linux/include/dt-bindings/clock/bcm281xx.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  * Copyright (C) 2013 Broadcom Corporation
3  * Copyright 2013 Linaro Limited
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License as
7  * published by the Free Software Foundation version 2.
8  *
9  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
10  * kind, whether express or implied; without even the implied warranty
11  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14 
15 #ifndef _CLOCK_BCM281XX_H
16 #define _CLOCK_BCM281XX_H
17 
18 /*
19  * This file defines the values used to specify clocks provided by
20  * the clock control units (CCUs) on Broadcom BCM281XX family SoCs.
21  */
22 
23 /*
24  * These are the bcm281xx CCU device tree "compatible" strings.
25  * We're stuck with using "bcm11351" in the string because wild
26  * cards aren't allowed, and that name was the first one defined
27  * in this family of devices.
28  */
29 #define BCM281XX_DT_ROOT_CCU_COMPAT	"brcm,bcm11351-root-ccu"
30 #define BCM281XX_DT_AON_CCU_COMPAT	"brcm,bcm11351-aon-ccu"
31 #define BCM281XX_DT_HUB_CCU_COMPAT	"brcm,bcm11351-hub-ccu"
32 #define BCM281XX_DT_MASTER_CCU_COMPAT	"brcm,bcm11351-master-ccu"
33 #define BCM281XX_DT_SLAVE_CCU_COMPAT	"brcm,bcm11351-slave-ccu"
34 
35 /* root CCU clock ids */
36 
37 #define BCM281XX_ROOT_CCU_FRAC_1M		0
38 #define BCM281XX_ROOT_CCU_CLOCK_COUNT		1
39 
40 /* aon CCU clock ids */
41 
42 #define BCM281XX_AON_CCU_HUB_TIMER		0
43 #define BCM281XX_AON_CCU_PMU_BSC		1
44 #define BCM281XX_AON_CCU_PMU_BSC_VAR		2
45 #define BCM281XX_AON_CCU_CLOCK_COUNT		3
46 
47 /* hub CCU clock ids */
48 
49 #define BCM281XX_HUB_CCU_TMON_1M		0
50 #define BCM281XX_HUB_CCU_CLOCK_COUNT		1
51 
52 /* master CCU clock ids */
53 
54 #define BCM281XX_MASTER_CCU_SDIO1		0
55 #define BCM281XX_MASTER_CCU_SDIO2		1
56 #define BCM281XX_MASTER_CCU_SDIO3		2
57 #define BCM281XX_MASTER_CCU_SDIO4		3
58 #define BCM281XX_MASTER_CCU_USB_IC		4
59 #define BCM281XX_MASTER_CCU_HSIC2_48M		5
60 #define BCM281XX_MASTER_CCU_HSIC2_12M		6
61 #define BCM281XX_MASTER_CCU_CLOCK_COUNT		7
62 
63 /* slave CCU clock ids */
64 
65 #define BCM281XX_SLAVE_CCU_UARTB		0
66 #define BCM281XX_SLAVE_CCU_UARTB2		1
67 #define BCM281XX_SLAVE_CCU_UARTB3		2
68 #define BCM281XX_SLAVE_CCU_UARTB4		3
69 #define BCM281XX_SLAVE_CCU_SSP0			4
70 #define BCM281XX_SLAVE_CCU_SSP2			5
71 #define BCM281XX_SLAVE_CCU_BSC1			6
72 #define BCM281XX_SLAVE_CCU_BSC2			7
73 #define BCM281XX_SLAVE_CCU_BSC3			8
74 #define BCM281XX_SLAVE_CCU_PWM			9
75 #define BCM281XX_SLAVE_CCU_CLOCK_COUNT		10
76 
77 #endif /* _CLOCK_BCM281XX_H */
78