diff options
| author | Pawel Moll <pawel.moll@arm.com> | 2012-07-09 11:33:47 +0100 |
|---|---|---|
| committer | Pawel Moll <pawel.moll@arm.com> | 2012-07-13 11:48:28 +0100 |
| commit | b2a54ff03ca80f11f3760f4eab9a955e7215f569 (patch) | |
| tree | 0b1b658ff7992a052fd18949eb3a4f691544182e | |
| parent | b7541a950f27fc9237ce1fcb5c2284ee5c71efe3 (diff) | |
ARM: vexpress: Add fixed regulator for SMSC
SMSC driver requires "vdd33a" and "vddvario" regulator supplies now.
Add fixed regulator describing 3V3 power line (in both motherboard's
Device Trees and the non-DT code) and force fixed regulator config
option if regulators framework is enabled.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 10 | ||||
| -rw-r--r-- | arch/arm/boot/dts/vexpress-v2m.dtsi | 10 | ||||
| -rw-r--r-- | arch/arm/mach-vexpress/v2m.c | 10 |
4 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 6374a08a6cab..cb15fca4dd04 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -318,6 +318,7 @@ config ARCH_VEXPRESS select NO_IOPORT select PLAT_VERSATILE select PLAT_VERSATILE_CLCD + select REGULATOR_FIXED_VOLTAGE if REGULATOR help This enables support for the ARM Ltd Versatile Express boards. diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 142c72a938d3..d8a827bd2bf3 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -55,6 +55,8 @@ reg-io-width = <4>; smsc,irq-active-high; smsc,irq-push-pull; + vdd33a-supply = <&v2m_fixed_3v3>; + vddvario-supply = <&v2m_fixed_3v3>; }; usb@2,03000000 { @@ -198,5 +200,13 @@ interrupts = <14>; }; }; + + v2m_fixed_3v3: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; }; diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index 47ee30791f44..dba53fd026bb 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -54,6 +54,8 @@ reg-io-width = <4>; smsc,irq-active-high; smsc,irq-push-pull; + vdd33a-supply = <&v2m_fixed_3v3>; + vddvario-supply = <&v2m_fixed_3v3>; }; usb@3,03000000 { @@ -197,5 +199,13 @@ interrupts = <14>; }; }; + + v2m_fixed_3v3: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; }; diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index a3652a4ddc40..37608f22ee31 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -18,6 +18,8 @@ #include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/mtd/physmap.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <asm/arch_timer.h> #include <asm/mach-types.h> @@ -199,6 +201,11 @@ static struct platform_device v2m_eth_device = { .dev.platform_data = &v2m_eth_config, }; +static struct regulator_consumer_supply v2m_eth_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct resource v2m_usb_resources[] = { { .start = V2M_ISP1761, @@ -503,6 +510,9 @@ static void __init v2m_init(void) { int i; + regulator_register_fixed(0, v2m_eth_supplies, + ARRAY_SIZE(v2m_eth_supplies)); + platform_device_register(&v2m_pcie_i2c_device); platform_device_register(&v2m_ddc_i2c_device); platform_device_register(&v2m_flash_device); |