[PATCH v2 0/7] Modernize pm8921 with irqdomains, regmap, DT

[PATCH v2 0/7] Modernize pm8921 with irqdomains, regmap, DT

[Stephen Boyd]

These patches lay the groundwork for converting the pm8921 sub-devices
to devicetree as well as simplify the API by migrating the core code
to use the regmap API instead of the custom pm8xxx read/write wrapper.

Changes since v1:
 * First 3 cleanup patches dropped because they're applied upstream
 * New regmap read/write helpers
 * New patch for DT match table
 * New binding document

Stephen Boyd (7):
  mfd: Move pm8xxx-irq.c contents into only driver that uses it
  mfd: pm8921: Update for genirq changes
  mfd: pm8921: Migrate to irqdomains
  mfd: ssbi: Add regmap read/write helpers
  mfd: pm8921: Use ssbi regmap
  mfd: pm8921: Add DT match table
  devicetree: bindings: Document PM8921/8058 PMICs

 .../devicetree/bindings/mfd/qcom,pm8xxx.txt        |  63 +++
 drivers/mfd/Kconfig                                |  12 +-
 drivers/mfd/pm8921-core.c                          | 424 ++++++++++++++++++---
 drivers/mfd/pm8xxx-irq.c                           | 371 ------------------
 drivers/mfd/ssbi.c                                 |  13 +
 include/linux/mfd/pm8xxx/irq.h                     |  59 ---
 include/linux/mfd/pm8xxx/pm8921.h                  |  30 --
 include/linux/ssbi.h                               |   3 +
 8 files changed, 449 insertions(+), 526 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/qcom,pm8xxx.txt
 delete mode 100644 drivers/mfd/pm8xxx-irq.c
 delete mode 100644 include/linux/mfd/pm8xxx/irq.h
 delete mode 100644 include/linux/mfd/pm8xxx/pm8921.h

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[PATCH v2 7/7] devicetree: bindings: Document PM8921/8058 PMICs

[Stephen Boyd]

PM8921 and PM8058 are PMICs found paired with MSM8960 and MSM8660
devices respectively. They contain subdevices such as keypads,
RTC, regulators, clocks, etc.

Cc: <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Signed-off-by: Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 .../devicetree/bindings/mfd/qcom,pm8xxx.txt        | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/qcom,pm8xxx.txt

diff --git a/Documentation/devicetree/bindings/mfd/qcom,pm8xxx.txt b/Documentation/devicetree/bindings/mfd/qcom,pm8xxx.txt
new file mode 100644
index 0000000..e3fe625
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/qcom,pm8xxx.txt
@@ -0,0 +1,63 @@
+Qualcomm PM8xxx PMIC multi-function devices
+
+PROPERTIES
+
+- compatible:
+	Usage: required
+	Value type: <string>
+	Definition: must be one of:
+		    "qcom,pm8058"
+		    "qcom,pm8921"
+
+- #address-cells:
+	Usage: required
+	Value type: <u32>
+	Definition: must be 1
+
+- #size-cells:
+	Usage: required
+	Value type: <u32>
+	Definition: must be 0
+
+- interrupts:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: specifies the interrupt that indicates a subdevice
+		    has generated an interrupt (summary interrupt). The
+		    format of the specifier is defined by the binding document
+		    describing the node's interrupt parent.
+
+- #interrupt-cells:
+	Usage: required
+	Value type : <u32>
+	Definition: must be 2. Specifies the number of cells needed to encode
+		    an interrupt source. The 1st cell contains the interrupt
+		    number. The 2nd cell is the trigger type and level flags
+		    encoded as follows:
+
+			1 = low-to-high edge triggered
+			2 = high-to-low edge triggered
+			4 = active high level-sensitive
+			8 = active low level-sensitive
+
+- interrupt-controller:
+	Usage: required
+	Value type: <empty>
+	Definition: identifies this node as an interrupt controller
+
+EXAMPLE
+
+	pmicintc: pmic@0 {
+		compatible = "qcom,pm8921";
+		interrupts = <104 8>;
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pwrkey {
+			compatible = "qcom,pm8921-pwrkey";
+			interrupt-parent = <&pmicintc>;
+			interrupts = <50 1>, <51 1>;
+		};
+	};
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Re: [PATCH v2 7/7] devicetree: bindings: Document PM8921/8058 PMICs

[Lee Jones]

> PM8921 and PM8058 are PMICs found paired with MSM8960 and MSM8660
> devices respectively. They contain subdevices such as keypads,
> RTC, regulators, clocks, etc.
> 
> Cc: <devicetree@vger.kernel.org>

Still waiting on these guys.

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Linaro STMicroelectronics Landing Team Lead
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