>From 6b429d8fd28c6ebd6600a120ccba5cafd6bd07e4 Mon Sep 17 00:00:00 2001
Message-Id: 
<6b429d8fd28c6ebd6600a120ccba5cafd6bd07e4.1416158605.git.juer...@kreuzholzen.de>
In-Reply-To: <[email protected]>
References: <[email protected]>
From: Juergen Borleis <[email protected]>
Date: Sat, 15 Nov 2014 16:06:26 +0100
Subject: [PATCH 8/8] ARM/Mini6410: enable USB OHCI support
To: [email protected]
Cc: [email protected]

All required drivers are now in place. Make use of them.

Signed-off-by: Juergen Borleis <[email protected]>
---
 arch/arm/boot/dts/s3c6410-mini6410.dts | 50 ++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/arm/boot/dts/s3c6410-mini6410.dts 
b/arch/arm/boot/dts/s3c6410-mini6410.dts
index 1e196ca..ab606d9 100644
--- a/arch/arm/boot/dts/s3c6410-mini6410.dts
+++ b/arch/arm/boot/dts/s3c6410-mini6410.dts
@@ -30,6 +30,42 @@
                bootargs = "console=ttySAC0,115200n8 earlyprintk rootwait 
root=/dev/mmcblk0p1";
        };
 
+       regulators {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&gpio_regs>;
+
+               votg: fixed-regulator@6 {
+                       /* U6 is of type XC6219B331MR = 3.3 V */
+                       /* digital power for the USB OTG phy */
+                       compatible = "regulator-fixed";
+                       regulator-name = "vddotg";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+               };
+
+               /*
+                * Both 'vddotg' and 'vddotgi' are controlled via GPIO GPF13
+                * We cannot forward the same GPIO pin twice, so let the lower
+                * voltage regulator looks like it uses the voltage from the
+                * other regulator.
+                */
+               votgi: fixed-regulator@7 {
+                       /* U7 is of type XC6219B121MR = 1.2 V */
+                       /* analog power for the USB OTG phy */
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&gpio_regs>;
+                       compatible = "regulator-fixed";
+                       regulator-name = "vddotgi";
+                       regulator-min-microvolt = <1200000>;
+                       regulator-max-microvolt = <1200000>;
+                       gpio = <&gpf 13 GPIO_ACTIVE_HIGH>; /* active if GPF13 
is high */
+                       enable-active-high;
+               };
+       };
+
        clocks {
                compatible = "simple-bus";
                #address-cells = <1>;
@@ -213,6 +249,11 @@
                                "gpn-4", "gpn-5", "gpl-11", "gpl-12";
                samsung,pin-pud = <PIN_PULL_NONE>;
        };
+
+       gpio_regs: gpio-regs {
+               samsung,pins = "gpf-13";
+               samsung,pin-pud = <PIN_PULL_NONE>;
+       };
 };
 
 &i2c0 {
@@ -234,3 +275,12 @@
 &rtc {
        status = "okay";
 };
+
+&usbphy {
+       status = "okay";
+       analog-supply = <&votgi>; /* analog power supply */
+};
+
+&usbhost {
+       status = "okay";
+};
-- 
1.8.1

--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to