[U-Boot] [PATCH 03/14] Add power bus message definitions in twl4030.h

Pali Rohár
2012-01-24T14:28:00Z

* Code copied from linux kernel 3.0.0 from file include/linux/i2c/twl.h

Signed-off-by: Pali Roh?r <pali.rohar@gmail.com>
---
Changes since original version:
- Fixed commit message

include/twl4030.h | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 98 insertions(+), 0 deletions(-)

diff --git a/include/twl4030.h b/include/twl4030.h
index 9cd32ab..0c17f59 100644
--- a/include/twl4030.h
+++ b/include/twl4030.h
@@ -151,6 +151,103 @@
#define TWL4030_PM_MASTER_SW_EVENTS_DEVSLP (1 << 1)
#define TWL4030_PM_MASTER_SW_EVENTS_DEVOFF (1 << 0)

+/* Power bus message definitions */
+
+/* The TWL4030/5030 splits its power-management resources (the various
+ * regulators, clock and reset lines) into 3 processor groups - P1, P2 and
+ * P3. These groups can then be configured to transition between sleep, wait-on
+ * and active states by sending messages to the power bus. See Section 5.4.2
+ * Power Resources of TWL4030 TRM
+ */
+
+/* Processor groups */
+#define DEV_GRP_NULL 0x0
+#define DEV_GRP_P1 0x1 /* P1: all OMAP devices */
+#define DEV_GRP_P2 0x2 /* P2: all Modem devices */
+#define DEV_GRP_P3 0x4 /* P3: all peripheral devices */
+
+/* Resource groups */
+#define RES_GRP_RES 0x0 /* Reserved */
+#define RES_GRP_PP 0x1 /* Power providers */
+#define RES_GRP_RC 0x2 /* Reset and control */
+#define RES_GRP_PP_RC 0x3
+#define RES_GRP_PR 0x4 /* Power references */
+#define RES_GRP_PP_PR 0x5
+#define RES_GRP_RC_PR 0x6
+#define RES_GRP_ALL 0x7 /* All resource groups */
+
+#define RES_TYPE2_R0 0x0
+
+#define RES_TYPE_ALL 0x7
+
+/* Resource states */
+#define RES_STATE_WRST 0xF
+#define RES_STATE_ACTIVE 0xE
+#define RES_STATE_SLEEP 0x8
+#define RES_STATE_OFF 0x0
+
+/* Power resources */
+
+/* Power providers */
+#define RES_VAUX1 1
+#define RES_VAUX2 2
+#define RES_VAUX3 3
+#define RES_VAUX4 4
+#define RES_VMMC1 5
+#define RES_VMMC2 6
+#define RES_VPLL1 7
+#define RES_VPLL2 8
+#define RES_VSIM 9
+#define RES_VDAC 10
+#define RES_VINTANA1 11
+#define RES_VINTANA2 12
+#define RES_VINTDIG 13
+#define RES_VIO 14
+#define RES_VDD1 15
+#define RES_VDD2 16
+#define RES_VUSB_1V5 17
+#define RES_VUSB_1V8 18
+#define RES_VUSB_3V1 19
+#define RES_VUSBCP 20
+#define RES_REGEN 21
+/* Reset and control */
+#define RES_NRES_PWRON 22
+#define RES_CLKEN 23
+#define RES_SYSEN 24
+#define RES_HFCLKOUT 25
+#define RES_32KCLKOUT 26
+#define RES_RESET 27
+/* Power Reference */
+#define RES_Main_Ref 28
+
+#define TOTAL_RESOURCES 28
+/*
+ * Power Bus Message Format ... these can be sent individually by Linux,
+ * but are usually part of downloaded scripts that are run when various
+ * power events are triggered.
+ *
+ * Broadcast Message (16 Bits):
+ * DEV_GRP[15:13] MT[12] RES_GRP[11:9] RES_TYPE2[8:7] RES_TYPE[6:4]
+ * RES_STATE[3:0]
+ *
+ * Singular Message (16 Bits):
+ * DEV_GRP[15:13] MT[12] RES_ID[11:4] RES_STATE[3:0]
+ */
+
+#define MSG_BROADCAST(devgrp, grp, type, type2, state) \
+ ((devgrp) << 13 | 1 << 12 | (grp) << 9 | (type2) << 7 \
+ | (type) << 4 | (state))
+
+#define MSG_SINGULAR(devgrp, id, state) \
+ ((devgrp) << 13 | 0 << 12 | (id) << 4 | (state))
+
+#define MSG_BROADCAST_ALL(devgrp, state) \
+ ((devgrp) << 5 | (state))
+
+#define MSG_BROADCAST_REF MSG_BROADCAST_ALL
+#define MSG_BROADCAST_PROV MSG_BROADCAST_ALL
+#define MSG_BROADCAST__CLK_RST MSG_BROADCAST_ALL
+
/* Power Managment Receiver */
#define TWL4030_PM_RECEIVER_SC_CONFIG 0x5B
#define TWL4030_PM_RECEIVER_SC_DETECT1 0x5C
@@ -311,6 +408,7 @@
#define TWL4030_PM_RECEIVER_VDAC_VSEL_18 0x03
#define TWL4030_PM_RECEIVER_VMMC1_VSEL_30 0x02
#define TWL4030_PM_RECEIVER_VMMC1_VSEL_32 0x03
+#define TWL4030_PM_RECEIVER_VSIM_VSEL_18 0x03

/* Device Selection in PM Receiver Module */
#define TWL4030_PM_RECEIVER_DEV_GRP_P1 0x20
--
1.7.5.4