From 876989d58658858f27a461f0b4b43fa750a208f4 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Mon, 12 Dec 2011 18:52:57 +0100 Subject: mfd: Add device tree probe support for mc13xxx This adds device tree probe support for mc13xxx mfd driver. Signed-off-by: Shawn Guo Signed-off-by: Samuel Ortiz --- Documentation/devicetree/bindings/mfd/mc13xxx.txt | 53 +++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mc13xxx.txt (limited to 'Documentation/devicetree/bindings/mfd/mc13xxx.txt') diff --git a/Documentation/devicetree/bindings/mfd/mc13xxx.txt b/Documentation/devicetree/bindings/mfd/mc13xxx.txt new file mode 100644 index 000000000000..4ed46a610633 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mc13xxx.txt @@ -0,0 +1,53 @@ +* Freescale MC13783/MC13892 Power Management Integrated Circuit (PMIC) + +Required properties: +- compatible : Should be "fsl,mc13783" or "fsl,mc13892" + +Optional properties: +- fsl,mc13xxx-uses-adc : Indicate the ADC is being used +- fsl,mc13xxx-uses-codec : Indicate the Audio Codec is being used +- fsl,mc13xxx-uses-rtc : Indicate the RTC is being used +- fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used + +Sub-nodes: +- regulators : Contain the regulator nodes. The name of regulator node + is being used by mc13xxx regulator driver to find the correct relator + device. + + The bindings details of individual regulator device can be found in: + Documentation/devicetree/bindings/regulator/regulator.txt + +Examples: + +ecspi@70010000 { /* ECSPI1 */ + fsl,spi-num-chipselects = <2>; + cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */ + <&gpio3 25 0>; /* GPIO4_25 */ + status = "okay"; + + pmic: mc13892@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,mc13892"; + spi-max-frequency = <6000000>; + reg = <0>; + interrupt-parent = <&gpio0>; + interrupts = <8>; + + regulators { + sw1_reg: mc13892__sw1 { + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1375000>; + regulator-boot-on; + regulator-always-on; + }; + + sw2_reg: mc13892__sw2 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1850000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; -- cgit v1.2.3 From 5d26dc821ad214906d63bbeda5cdb95ac9798ab0 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Wed, 21 Dec 2011 23:00:44 +0800 Subject: mfd: Improve mc13xxx dt binding document It improves mc13xxx dt binding document on how the regulator name is being used for binding a mc13892 regulator device. Signed-off-by: Shawn Guo Reviewed-by: Mark Brown Signed-off-by: Samuel Ortiz --- Documentation/devicetree/bindings/mfd/mc13xxx.txt | 31 ++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) (limited to 'Documentation/devicetree/bindings/mfd/mc13xxx.txt') diff --git a/Documentation/devicetree/bindings/mfd/mc13xxx.txt b/Documentation/devicetree/bindings/mfd/mc13xxx.txt index 4ed46a610633..19f6af47a792 100644 --- a/Documentation/devicetree/bindings/mfd/mc13xxx.txt +++ b/Documentation/devicetree/bindings/mfd/mc13xxx.txt @@ -10,9 +10,34 @@ Optional properties: - fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used Sub-nodes: -- regulators : Contain the regulator nodes. The name of regulator node - is being used by mc13xxx regulator driver to find the correct relator - device. +- regulators : Contain the regulator nodes. The MC13892 regulators are + bound using their names as listed below with their registers and bits + for enabling. + + vcoincell : regulator VCOINCELL (register 13, bit 23) + sw1 : regulator SW1 (register 24, bit 0) + sw2 : regulator SW2 (register 25, bit 0) + sw3 : regulator SW3 (register 26, bit 0) + sw4 : regulator SW4 (register 27, bit 0) + swbst : regulator SWBST (register 29, bit 20) + vgen1 : regulator VGEN1 (register 32, bit 0) + viohi : regulator VIOHI (register 32, bit 3) + vdig : regulator VDIG (register 32, bit 9) + vgen2 : regulator VGEN2 (register 32, bit 12) + vpll : regulator VPLL (register 32, bit 15) + vusb2 : regulator VUSB2 (register 32, bit 18) + vgen3 : regulator VGEN3 (register 33, bit 0) + vcam : regulator VCAM (register 33, bit 6) + vvideo : regulator VVIDEO (register 33, bit 12) + vaudio : regulator VAUDIO (register 33, bit 15) + vsd : regulator VSD (register 33, bit 18) + gpo1 : regulator GPO1 (register 34, bit 6) + gpo2 : regulator GPO2 (register 34, bit 8) + gpo3 : regulator GPO3 (register 34, bit 10) + gpo4 : regulator GPO4 (register 34, bit 12) + pwgt1spi : regulator PWGT1SPI (register 34, bit 15) + pwgt2spi : regulator PWGT2SPI (register 34, bit 16) + vusb : regulator VUSB (register 50, bit 3) The bindings details of individual regulator device can be found in: Documentation/devicetree/bindings/regulator/regulator.txt -- cgit v1.2.3