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wifipineapple-openwrt/target/linux/ipq806x/patches-3.18/122-mfd-devicetree-bindings...

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From aa0c4b815045420ea54d5ae5362f5a0190609d46 Mon Sep 17 00:00:00 2001
From: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Date: Wed, 26 Nov 2014 13:50:59 -0800
Subject: [PATCH] mfd: devicetree: bindings: Add Qualcomm RPM DT binding
Add binding for the Qualcomm Resource Power Manager (RPM) found in 8660,
8960 and 8064 based devices.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
Documentation/devicetree/bindings/mfd/qcom-rpm.txt | 70 ++++++++++
include/dt-bindings/mfd/qcom-rpm.h | 154 +++++++++++++++++++++
2 files changed, 224 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/qcom-rpm.txt
create mode 100644 include/dt-bindings/mfd/qcom-rpm.h
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
new file mode 100644
index 0000000..85e3198
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
@@ -0,0 +1,70 @@
+Qualcomm Resource Power Manager (RPM)
+
+This driver is used to interface with the Resource Power Manager (RPM) found in
+various Qualcomm platforms. The RPM allows each component in the system to vote
+for state of the system resources, such as clocks, regulators and bus
+frequencies.
+
+- compatible:
+ Usage: required
+ Value type: <string>
+ Definition: must be one of:
+ "qcom,rpm-apq8064"
+ "qcom,rpm-msm8660"
+ "qcom,rpm-msm8960"
+
+- reg:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: base address and size of the RPM's message ram
+
+- interrupts:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: three entries specifying the RPM's:
+ 1. acknowledgement interrupt
+ 2. error interrupt
+ 3. wakeup interrupt
+
+- interrupt-names:
+ Usage: required
+ Value type: <string-array>
+ Definition: must be the three strings "ack", "err" and "wakeup", in order
+
+- #address-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: must be 1
+
+- #size-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: must be 0
+
+- qcom,ipc:
+ Usage: required
+ Value type: <prop-encoded-array>
+
+ Definition: three entries specifying the outgoing ipc bit used for
+ signaling the RPM:
+ - phandle to a syscon node representing the apcs registers
+ - u32 representing offset to the register within the syscon
+ - u32 representing the ipc bit within the register
+
+
+= EXAMPLE
+
+ #include <dt-bindings/mfd/qcom-rpm.h>
+
+ rpm@108000 {
+ compatible = "qcom,rpm-msm8960";
+ reg = <0x108000 0x1000>;
+ qcom,ipc = <&apcs 0x8 2>;
+
+ interrupts = <0 19 0>, <0 21 0>, <0 22 0>;
+ interrupt-names = "ack", "err", "wakeup";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
diff --git a/include/dt-bindings/mfd/qcom-rpm.h b/include/dt-bindings/mfd/qcom-rpm.h
new file mode 100644
index 0000000..388a6f3
--- /dev/null
+++ b/include/dt-bindings/mfd/qcom-rpm.h
@@ -0,0 +1,154 @@
+/*
+ * This header provides constants for the Qualcomm RPM bindings.
+ */
+
+#ifndef _DT_BINDINGS_MFD_QCOM_RPM_H
+#define _DT_BINDINGS_MFD_QCOM_RPM_H
+
+/*
+ * Constants use to identify individual resources in the RPM.
+ */
+#define QCOM_RPM_APPS_FABRIC_ARB 1
+#define QCOM_RPM_APPS_FABRIC_CLK 2
+#define QCOM_RPM_APPS_FABRIC_HALT 3
+#define QCOM_RPM_APPS_FABRIC_IOCTL 4
+#define QCOM_RPM_APPS_FABRIC_MODE 5
+#define QCOM_RPM_APPS_L2_CACHE_CTL 6
+#define QCOM_RPM_CFPB_CLK 7
+#define QCOM_RPM_CXO_BUFFERS 8
+#define QCOM_RPM_CXO_CLK 9
+#define QCOM_RPM_DAYTONA_FABRIC_CLK 10
+#define QCOM_RPM_DDR_DMM 11
+#define QCOM_RPM_EBI1_CLK 12
+#define QCOM_RPM_HDMI_SWITCH 13
+#define QCOM_RPM_MMFPB_CLK 14
+#define QCOM_RPM_MM_FABRIC_ARB 15
+#define QCOM_RPM_MM_FABRIC_CLK 16
+#define QCOM_RPM_MM_FABRIC_HALT 17
+#define QCOM_RPM_MM_FABRIC_IOCTL 18
+#define QCOM_RPM_MM_FABRIC_MODE 19
+#define QCOM_RPM_PLL_4 20
+#define QCOM_RPM_PM8058_LDO0 21
+#define QCOM_RPM_PM8058_LDO1 22
+#define QCOM_RPM_PM8058_LDO2 23
+#define QCOM_RPM_PM8058_LDO3 24
+#define QCOM_RPM_PM8058_LDO4 25
+#define QCOM_RPM_PM8058_LDO5 26
+#define QCOM_RPM_PM8058_LDO6 27
+#define QCOM_RPM_PM8058_LDO7 28
+#define QCOM_RPM_PM8058_LDO8 29
+#define QCOM_RPM_PM8058_LDO9 30
+#define QCOM_RPM_PM8058_LDO10 31
+#define QCOM_RPM_PM8058_LDO11 32
+#define QCOM_RPM_PM8058_LDO12 33
+#define QCOM_RPM_PM8058_LDO13 34
+#define QCOM_RPM_PM8058_LDO14 35
+#define QCOM_RPM_PM8058_LDO15 36
+#define QCOM_RPM_PM8058_LDO16 37
+#define QCOM_RPM_PM8058_LDO17 38
+#define QCOM_RPM_PM8058_LDO18 39
+#define QCOM_RPM_PM8058_LDO19 40
+#define QCOM_RPM_PM8058_LDO20 41
+#define QCOM_RPM_PM8058_LDO21 42
+#define QCOM_RPM_PM8058_LDO22 43
+#define QCOM_RPM_PM8058_LDO23 44
+#define QCOM_RPM_PM8058_LDO24 45
+#define QCOM_RPM_PM8058_LDO25 46
+#define QCOM_RPM_PM8058_LVS0 47
+#define QCOM_RPM_PM8058_LVS1 48
+#define QCOM_RPM_PM8058_NCP 49
+#define QCOM_RPM_PM8058_SMPS0 50
+#define QCOM_RPM_PM8058_SMPS1 51
+#define QCOM_RPM_PM8058_SMPS2 52
+#define QCOM_RPM_PM8058_SMPS3 53
+#define QCOM_RPM_PM8058_SMPS4 54
+#define QCOM_RPM_PM8821_LDO1 55
+#define QCOM_RPM_PM8821_SMPS1 56
+#define QCOM_RPM_PM8821_SMPS2 57
+#define QCOM_RPM_PM8901_LDO0 58
+#define QCOM_RPM_PM8901_LDO1 59
+#define QCOM_RPM_PM8901_LDO2 60
+#define QCOM_RPM_PM8901_LDO3 61
+#define QCOM_RPM_PM8901_LDO4 62
+#define QCOM_RPM_PM8901_LDO5 63
+#define QCOM_RPM_PM8901_LDO6 64
+#define QCOM_RPM_PM8901_LVS0 65
+#define QCOM_RPM_PM8901_LVS1 66
+#define QCOM_RPM_PM8901_LVS2 67
+#define QCOM_RPM_PM8901_LVS3 68
+#define QCOM_RPM_PM8901_MVS 69
+#define QCOM_RPM_PM8901_SMPS0 70
+#define QCOM_RPM_PM8901_SMPS1 71
+#define QCOM_RPM_PM8901_SMPS2 72
+#define QCOM_RPM_PM8901_SMPS3 73
+#define QCOM_RPM_PM8901_SMPS4 74
+#define QCOM_RPM_PM8921_CLK1 75
+#define QCOM_RPM_PM8921_CLK2 76
+#define QCOM_RPM_PM8921_LDO1 77
+#define QCOM_RPM_PM8921_LDO2 78
+#define QCOM_RPM_PM8921_LDO3 79
+#define QCOM_RPM_PM8921_LDO4 80
+#define QCOM_RPM_PM8921_LDO5 81
+#define QCOM_RPM_PM8921_LDO6 82
+#define QCOM_RPM_PM8921_LDO7 83
+#define QCOM_RPM_PM8921_LDO8 84
+#define QCOM_RPM_PM8921_LDO9 85
+#define QCOM_RPM_PM8921_LDO10 86
+#define QCOM_RPM_PM8921_LDO11 87
+#define QCOM_RPM_PM8921_LDO12 88
+#define QCOM_RPM_PM8921_LDO13 89
+#define QCOM_RPM_PM8921_LDO14 90
+#define QCOM_RPM_PM8921_LDO15 91
+#define QCOM_RPM_PM8921_LDO16 92
+#define QCOM_RPM_PM8921_LDO17 93
+#define QCOM_RPM_PM8921_LDO18 94
+#define QCOM_RPM_PM8921_LDO19 95
+#define QCOM_RPM_PM8921_LDO20 96
+#define QCOM_RPM_PM8921_LDO21 97
+#define QCOM_RPM_PM8921_LDO22 98
+#define QCOM_RPM_PM8921_LDO23 99
+#define QCOM_RPM_PM8921_LDO24 100
+#define QCOM_RPM_PM8921_LDO25 101
+#define QCOM_RPM_PM8921_LDO26 102
+#define QCOM_RPM_PM8921_LDO27 103
+#define QCOM_RPM_PM8921_LDO28 104
+#define QCOM_RPM_PM8921_LDO29 105
+#define QCOM_RPM_PM8921_LVS1 106
+#define QCOM_RPM_PM8921_LVS2 107
+#define QCOM_RPM_PM8921_LVS3 108
+#define QCOM_RPM_PM8921_LVS4 109
+#define QCOM_RPM_PM8921_LVS5 110
+#define QCOM_RPM_PM8921_LVS6 111
+#define QCOM_RPM_PM8921_LVS7 112
+#define QCOM_RPM_PM8921_MVS 113
+#define QCOM_RPM_PM8921_NCP 114
+#define QCOM_RPM_PM8921_SMPS1 115
+#define QCOM_RPM_PM8921_SMPS2 116
+#define QCOM_RPM_PM8921_SMPS3 117
+#define QCOM_RPM_PM8921_SMPS4 118
+#define QCOM_RPM_PM8921_SMPS5 119
+#define QCOM_RPM_PM8921_SMPS6 120
+#define QCOM_RPM_PM8921_SMPS7 121
+#define QCOM_RPM_PM8921_SMPS8 122
+#define QCOM_RPM_PXO_CLK 123
+#define QCOM_RPM_QDSS_CLK 124
+#define QCOM_RPM_SFPB_CLK 125
+#define QCOM_RPM_SMI_CLK 126
+#define QCOM_RPM_SYS_FABRIC_ARB 127
+#define QCOM_RPM_SYS_FABRIC_CLK 128
+#define QCOM_RPM_SYS_FABRIC_HALT 129
+#define QCOM_RPM_SYS_FABRIC_IOCTL 130
+#define QCOM_RPM_SYS_FABRIC_MODE 131
+#define QCOM_RPM_USB_OTG_SWITCH 132
+#define QCOM_RPM_VDDMIN_GPIO 133
+
+/*
+ * Constants used to select force mode for regulators.
+ */
+#define QCOM_RPM_FORCE_MODE_NONE 0
+#define QCOM_RPM_FORCE_MODE_LPM 1
+#define QCOM_RPM_FORCE_MODE_HPM 2
+#define QCOM_RPM_FORCE_MODE_AUTO 3
+#define QCOM_RPM_FORCE_MODE_BYPASS 4
+
+#endif
--
2.1.4
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