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>

diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
new file mode 100644 (file)
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 (file)
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