Commit b2a54ff0 authored by Pawel Moll's avatar Pawel Moll
Browse files

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: default avatarPawel Moll <pawel.moll@arm.com>
parent b7541a95

arch/arm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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.

arch/arm/boot/dts/vexpress-v2m-rs1.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -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;

		};

	};

};

arch/arm/boot/dts/vexpress-v2m.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -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;

		};

	};

};

arch/arm/mach-vexpress/v2m.c

+10 −0
Original line number Diff line number Diff line
@@ -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);

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