From 155f087b25c2301266aacd336c387b0abab05ff8 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Tue, 29 Jan 2013 14:35:15 +0530 Subject: [PATCH] --- yaml --- r: 357599 b: refs/heads/master c: 40719314f259ab9409ca3d48551c17aa23bc2b4d h: refs/heads/master i: 357597: 9ba7efcb4c0ee61ef3b135ace3ec7049f76e26cf 357595: 70986324638b5c90dcd6ea8eee09e08bb59129e7 357591: 878337d9857f1be56a3874ad6631bf91ea99083f 357583: d43b304163b951e240a5df222acd3dbe12161148 357567: ebe494fc0552037b721bdca22b7a7850296b2f56 v: v3 --- [refs] | 2 +- .../bindings/regulator/tps65090.txt | 122 ++++++++++++++++++ trunk/drivers/mfd/tps65090.c | 22 +++- 3 files changed, 142 insertions(+), 4 deletions(-) create mode 100644 trunk/Documentation/devicetree/bindings/regulator/tps65090.txt diff --git a/[refs] b/[refs] index 74aa20f23a97..ae2e30849cb4 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5f384c1f8be19487f904731d7232120dcfeca8e1 +refs/heads/master: 40719314f259ab9409ca3d48551c17aa23bc2b4d diff --git a/trunk/Documentation/devicetree/bindings/regulator/tps65090.txt b/trunk/Documentation/devicetree/bindings/regulator/tps65090.txt new file mode 100644 index 000000000000..313a60ba61d8 --- /dev/null +++ b/trunk/Documentation/devicetree/bindings/regulator/tps65090.txt @@ -0,0 +1,122 @@ +TPS65090 regulators + +Required properties: +- compatible: "ti,tps65090" +- reg: I2C slave address +- interrupts: the interrupt outputs of the controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name, with valid + values listed below. The content of each sub-node is defined by the + standard binding for regulators; see regulator.txt. + dcdc[1-3], fet[1-7] and ldo[1-2] respectively. +- vsys[1-3]-supply: The input supply for DCDC[1-3] respectively. +- infet[1-7]-supply: The input supply for FET[1-7] respectively. +- vsys-l[1-2]-supply: The input supply for LDO[1-2] respectively. + +Optional properties: +- ti,enable-ext-control: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled then this property should be there. +- "dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled and if it is from GPIO then GPIO + number should be provided. If it is externally controlled and no GPIO + entry then driver will just configure this rails as external control + and will not provide any enable/disable APIs. + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps65090@48 { + compatible = "ti,tps65090"; + reg = <0x48>; + interrupts = <0 88 0x4>; + + vsys1-supply = <&some_reg>; + vsys2-supply = <&some_reg>; + vsys3-supply = <&some_reg>; + infet1-supply = <&some_reg>; + infet2-supply = <&some_reg>; + infet3-supply = <&some_reg>; + infet4-supply = <&some_reg>; + infet5-supply = <&some_reg>; + infet6-supply = <&some_reg>; + infet7-supply = <&some_reg>; + vsys_l1-supply = <&some_reg>; + vsys_l2-supply = <&some_reg>; + + regulators { + dcdc1 { + regulator-name = "dcdc1"; + regulator-boot-on; + regulator-always-on; + ti,enable-ext-control; + dcdc-ext-control-gpios = <&gpio 10 0>; + }; + + dcdc2 { + regulator-name = "dcdc2"; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3 { + regulator-name = "dcdc3"; + regulator-boot-on; + regulator-always-on; + }; + + fet1 { + regulator-name = "fet1"; + regulator-boot-on; + regulator-always-on; + }; + + fet2 { + regulator-name = "fet2"; + regulator-boot-on; + regulator-always-on; + }; + + fet3 { + regulator-name = "fet3"; + regulator-boot-on; + regulator-always-on; + }; + + fet4 { + regulator-name = "fet4"; + regulator-boot-on; + regulator-always-on; + }; + + fet5 { + regulator-name = "fet5"; + regulator-boot-on; + regulator-always-on; + }; + + fet6 { + regulator-name = "fet6"; + regulator-boot-on; + regulator-always-on; + }; + + fet7 { + regulator-name = "fet7"; + regulator-boot-on; + regulator-always-on; + }; + + ldo1 { + regulator-name = "ldo1"; + regulator-boot-on; + regulator-always-on; + }; + + ldo2 { + regulator-name = "ldo2"; + regulator-boot-on; + regulator-always-on; + }; + }; + }; diff --git a/trunk/drivers/mfd/tps65090.c b/trunk/drivers/mfd/tps65090.c index 8d12a8e00d9c..b49654587ce5 100644 --- a/trunk/drivers/mfd/tps65090.c +++ b/trunk/drivers/mfd/tps65090.c @@ -25,6 +25,8 @@ #include #include #include +#include +#include #include #define NUM_INT_REG 2 @@ -148,18 +150,31 @@ static const struct regmap_config tps65090_regmap_config = { .volatile_reg = is_volatile_reg, }; +#ifdef CONFIG_OF +static const struct of_device_id tps65090_of_match[] = { + { .compatible = "ti,tps65090",}, + {}, +}; +MODULE_DEVICE_TABLE(of, tps65090_of_match); +#endif + static int tps65090_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct tps65090_platform_data *pdata = client->dev.platform_data; + int irq_base = 0; struct tps65090 *tps65090; int ret; - if (!pdata) { - dev_err(&client->dev, "tps65090 requires platform data\n"); + if (!pdata && !client->dev.of_node) { + dev_err(&client->dev, + "tps65090 requires platform data or of_node\n"); return -EINVAL; } + if (pdata) + irq_base = pdata->irq_base; + tps65090 = devm_kzalloc(&client->dev, sizeof(*tps65090), GFP_KERNEL); if (!tps65090) { dev_err(&client->dev, "mem alloc for tps65090 failed\n"); @@ -178,7 +193,7 @@ static int tps65090_i2c_probe(struct i2c_client *client, if (client->irq) { ret = regmap_add_irq_chip(tps65090->rmap, client->irq, - IRQF_ONESHOT | IRQF_TRIGGER_LOW, pdata->irq_base, + IRQF_ONESHOT | IRQF_TRIGGER_LOW, irq_base, &tps65090_irq_chip, &tps65090->irq_data); if (ret) { dev_err(&client->dev, @@ -247,6 +262,7 @@ static struct i2c_driver tps65090_driver = { .driver = { .name = "tps65090", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tps65090_of_match), .pm = &tps65090_pm_ops, }, .probe = tps65090_i2c_probe,