[PATCH 14/22] ARM: ux500: Provide regulator support for SMSC911x via Device Tree
From: Lee Jones <hidden>
Date: 2012-05-30 04:47:32
Subsystem:
arm port, arm/nomadik/ux500 architectures, multifunction devices (mfd), the rest · Maintainers:
Russell King, Linus Walleij, Lee Jones, Linus Torvalds
This patch adds a fixed regulator for use by the SMSC911x Ethernet chip driver into the db8500 Device Tree. It also references other regulators required by the same device. Signed-off-by: Lee Jones <redacted> --- arch/arm/boot/dts/snowball.dts | 13 +++++++++++++ arch/arm/configs/u8500_defconfig | 1 + drivers/mfd/db8500-prcmu.c | 1 + 3 files changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index 81ff557..d6c05ea 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts@@ -20,6 +20,16 @@ reg = <0x00000000 0x20000000>; }; + en_3v3_reg: en_3v3 { + compatible = "regulator-fixed"; + regulator-name = "en-3v3-fixed-supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 26 0x4>; // 26 + startup-delay-us = <5000>; + enable-active-high; + }; + gpio_keys { compatible = "gpio-keys"; #address-cells = <1>;
@@ -79,6 +89,9 @@ reg = <0 0x10000>; interrupts = <12 0x1>; interrupt-parent = <&gpio4>; + vdd33a-supply = <&en_3v3_reg>; + vddvario-supply = <&db8500_vape_reg>; + reg-shift = <1>; reg-io-width = <2>;
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 7e84f45..2d4f661 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig@@ -75,6 +75,7 @@ CONFIG_AB5500_CORE=y CONFIG_AB8500_CORE=y CONFIG_REGULATOR=y CONFIG_REGULATOR_AB8500=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y # CONFIG_HID_SUPPORT is not set CONFIG_USB_GADGET=y CONFIG_AB8500_USB=y
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 5be3248..74595e1 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c@@ -2734,6 +2734,7 @@ static struct regulator_consumer_supply db8500_vape_consumers[] = { REGULATOR_SUPPLY("vcore", "uart2"), REGULATOR_SUPPLY("v-ape", "nmk-ske-keypad.0"), REGULATOR_SUPPLY("v-hsi", "ste_hsi.0"), + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), }; static struct regulator_consumer_supply db8500_vsmps2_consumers[] = {
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1.7.9.5