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Message-ID: <1341472984-1503-1-git-send-email-ldewangan@nvidia.com>
Date: Thu, 5 Jul 2012 12:53:04 +0530
From: Laxman Dewangan <ldewangan@...dia.com>
To: <broonie@...nsource.wolfsonmicro.com>, <lrg@...com>,
<rob.herring@...xeda.com>, <grant.likely@...retlab.ca>,
<arnd@...db.de>, <linus.walleij@...aro.org>,
<lee.jones@...aro.org>, <swarren@...dotorg.org>
CC: <devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Laxman Dewangan <ldewangan@...dia.com>
Subject: [PATCH V4] regulator: dt: add policy to have property "regulator-compatible"
Add the policy for regulator DT such that if device have multiple
regulator and its binding contains a child node that describes each
regulator then each regulator child node must have the property
"regulator-compatible" which matches with regulator name of their
hardware counterparts.
Modify the DT documentation of regulator devices to reflect this
policy.
Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
---
Changes from V3:
Original patch:
[PATCH V3 3/3] regulator: dt: add policy to have property "regulator-compatible"
There is issue on applying the patch for error was around tps6586x.txt file.
I also able to saw the issue when tried to apply locally.
Creating new patch with same old changes and after rebase.
I applied this patch in new branch and it applied successfully.
Documentation/devicetree/bindings/mfd/tps65910.txt | 54 +++++++++++++----
.../devicetree/bindings/regulator/regulator.txt | 4 +
.../devicetree/bindings/regulator/tps6586x.txt | 60 +++++++++++++++-----
3 files changed, 90 insertions(+), 28 deletions(-)
diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt
index 645f5ea..b51d206 100644
--- a/Documentation/devicetree/bindings/mfd/tps65910.txt
+++ b/Documentation/devicetree/bindings/mfd/tps65910.txt
@@ -17,8 +17,9 @@ Required properties:
device need to be present. The definition for each of these nodes is defined
using the standard binding for regulators found at
Documentation/devicetree/bindings/regulator/regulator.txt.
+ The regulator is matched with the regulator-compatible.
- The valid names for regulators are:
+ The valid regulator-compatible values are:
tps65910: vrtc, vio, vdd1, vdd2, vdd3, vdig1, vdig2, vpll, vdac, vaux1,
vaux2, vaux33, vmmc
tps65911: vrtc, vio, vdd1, vdd3, vddctrl, ldo1, ldo2, ldo3, ldo4, ldo5,
@@ -57,73 +58,100 @@ Example:
ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
regulators {
- vdd1_reg: vdd1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vdd1_reg: regulator@0 {
+ regulator-compatible = "vdd1";
+ reg = <0>;
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
ti,regulator-ext-sleep-control = <0>;
};
- vdd2_reg: vdd2 {
+ vdd2_reg: regulator@1 {
+ regulator-compatible = "vdd2";
+ reg = <1>;
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
ti,regulator-ext-sleep-control = <4>;
};
- vddctrl_reg: vddctrl {
+ vddctrl_reg: regulator@2 {
+ regulator-compatible = "vddctrl";
+ reg = <2>;
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
regulator-boot-on;
ti,regulator-ext-sleep-control = <0>;
};
- vio_reg: vio {
+ vio_reg: regulator@3 {
+ regulator-compatible = "vio";
+ reg = <3>;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
ti,regulator-ext-sleep-control = <1>;
};
- ldo1_reg: ldo1 {
+ ldo1_reg: regulator@4 {
+ regulator-compatible = "ldo1";
+ reg = <4>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
ti,regulator-ext-sleep-control = <0>;
};
- ldo2_reg: ldo2 {
+ ldo2_reg: regulator@5 {
+ regulator-compatible = "ldo2";
+ reg = <5>;
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
ti,regulator-ext-sleep-control = <0>;
};
- ldo3_reg: ldo3 {
+ ldo3_reg: regulator@6 {
+ regulator-compatible = "ldo3";
+ reg = <6>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
ti,regulator-ext-sleep-control = <0>;
};
- ldo4_reg: ldo4 {
+ ldo4_reg: regulator@7 {
+ regulator-compatible = "ldo4";
+ reg = <7>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
ti,regulator-ext-sleep-control = <0>;
};
- ldo5_reg: ldo5 {
+ ldo5_reg: regulator@8 {
+ regulator-compatible = "ldo5";
+ reg = <8>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
ti,regulator-ext-sleep-control = <0>;
};
- ldo6_reg: ldo6 {
+ ldo6_reg: regulator@9 {
+ regulator-compatible = "ldo6";
+ reg = <9>;
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
ti,regulator-ext-sleep-control = <0>;
};
- ldo7_reg: ldo7 {
+ ldo7_reg: regulator@10 {
+ regulator-compatible = "ldo7";
+ reg = <10>;
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
ti,regulator-ext-sleep-control = <1>;
};
- ldo8_reg: ldo8 {
+ ldo8_reg: regulator@11 {
+ regulator-compatible = "ldo8";
+ reg = <11>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
index bec5d57..66ece3f 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -11,6 +11,10 @@ Optional properties:
- regulator-boot-on: bootloader/firmware enabled regulator
- <name>-supply: phandle to the parent supply/regulator node
- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
+- regulator-compatible: If a regulator chip contains multiple
+ regulators, and if the chip's binding contains a child node that
+ describes each regulator, then this property indicates which regulator
+ this child node is intended to configure.
Example:
diff --git a/Documentation/devicetree/bindings/regulator/tps6586x.txt b/Documentation/devicetree/bindings/regulator/tps6586x.txt
index 0fcabaa..ab17ef6 100644
--- a/Documentation/devicetree/bindings/regulator/tps6586x.txt
+++ b/Documentation/devicetree/bindings/regulator/tps6586x.txt
@@ -6,8 +6,9 @@ Required properties:
- interrupts: the interrupt outputs of the controller
- #gpio-cells: number of cells to describe a GPIO
- gpio-controller: mark the device as a GPIO controller
-- regulators: list of regulators provided by this controller, must be named
- after their hardware counterparts: sm[0-2], ldo[0-9] and ldo_rtc
+- regulators: list of regulators provided by this controller, must have
+ property "regulator-compatible" to match their hardware counterparts:
+ sm[0-2], ldo[0-9] and ldo_rtc
Each regulator is defined using the standard binding for regulators.
@@ -22,74 +23,103 @@ Example:
gpio-controller;
regulators {
- sm0_reg: sm0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sm0_reg: regulator@0 {
+ reg = <0>;
+ regulator-compatible = "sm0";
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
- sm1_reg: sm1 {
+ sm1_reg: regulator@1 {
+ reg = <1>;
+ regulator-compatible = "sm1";
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
regulator-always-on;
};
- sm2_reg: sm2 {
+ sm2_reg: regulator@2 {
+ reg = <2>;
+ regulator-compatible = "sm2";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <4550000>;
regulator-boot-on;
regulator-always-on;
};
- ldo0_reg: ldo0 {
+ ldo0_reg: regulator@3 {
+ reg = <3>;
+ regulator-compatible = "ldo0";
regulator-name = "PCIE CLK";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
- ldo1_reg: ldo1 {
+ ldo1_reg: regulator@4 {
+ reg = <4>;
+ regulator-compatible = "ldo1";
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
};
- ldo2_reg: ldo2 {
+ ldo2_reg: regulator@5 {
+ reg = <5>;
+ regulator-compatible = "ldo2";
regulator-min-microvolt = < 725000>;
regulator-max-microvolt = <1500000>;
};
- ldo3_reg: ldo3 {
+ ldo3_reg: regulator@6 {
+ reg = <6>;
+ regulator-compatible = "ldo3";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
- ldo4_reg: ldo4 {
+ ldo4_reg: regulator@7 {
+ reg = <7>;
+ regulator-compatible = "ldo4";
regulator-min-microvolt = <1700000>;
regulator-max-microvolt = <2475000>;
};
- ldo5_reg: ldo5 {
+ ldo5_reg: regulator@8 {
+ reg = <8>;
+ regulator-compatible = "ldo5";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
- ldo6_reg: ldo6 {
+ ldo6_reg: regulator@9 {
+ reg = <9>;
+ regulator-compatible = "ldo6";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
- ldo7_reg: ldo7 {
+ ldo7_reg: regulator@10 {
+ reg = <10>;
+ regulator-compatible = "ldo7";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
- ldo8_reg: ldo8 {
+ ldo8_reg: regulator@11 {
+ reg = <11>;
+ regulator-compatible = "ldo8";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
- ldo9_reg: ldo9 {
+ ldo9_reg: regulator@12 {
+ reg = <12>;
+ regulator-compatible = "ldo9";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <3300000>;
};
--
1.7.1.1
--
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