[PATCH 6/9] ARM: vexpress: Add fixed regulator for SMSC
From: Pawel Moll <hidden>
Date: 2012-07-11 13:36:28
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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 <redacted> --- arch/arm/Kconfig | 1 + arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 10 ++++++++++ arch/arm/boot/dts/vexpress-v2m.dtsi | 10 ++++++++++ arch/arm/mach-vexpress/v2m.c | 10 ++++++++++ 4 files changed, 31 insertions(+)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6374a08..cb15fca 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 142c72a..d8a827b 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 at 2,03000000 {
@@ -198,5 +200,13 @@ interrupts = <14>; }; }; + + v2m_fixed_3v3: fixedregulator at 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 47ee307..dba53fd 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 at 3,03000000 {
@@ -197,5 +199,13 @@ interrupts = <14>; }; }; + + v2m_fixed_3v3: fixedregulator at 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 8a64402..bf7832d 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);
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1.7.9.5