ENGR00277895: dts: ARM: imx6: add ldo-enable dts files

  Currently, we use different dts files to support ldo-bypass or ldo-enable, then
we need add both dts files for the boards which can support ldo-bypass mode(all
boards support ldo-enable at least). So for below boards we need add ldo-enable
dts file so that we can use this to easily support ldo-enable mode:
  1)mx6q-sabresd board:  ldo-bypass dts->mx6q-sabresd.dtb,
                         ldo-enable dts->mx6q-sabresd-ldo.dtb
  2)mx6q-sabresd board:  ldo-bypass dts->mx6dl-sabresd.dtb,
	                 ldo-enable dts->mx6dl-sabresd-ldo.dtb
  3)mx6sl-evk board:     ldo-bypass dts->mx6sl-evk.dtb,
	                 ldo-enable dts->mx6sl-evk-ldo.dtb

Signed-off-by: Robin Gong <b38343@freescale.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6q-sabresd-ldo.dts b/arch/arm/boot/dts/imx6q-sabresd-ldo.dts
new file mode 100644
index 000000000000..c0a271bf3db9
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-sabresd-ldo.dts
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+
+#include "imx6q-sabresd.dts"
+
+&cpu0 {
+	arm-supply = <&reg_arm>;
+	soc-supply = <&reg_soc>;
+	pu-supply = <&reg_pu>; /* use pu_dummy if VDDSOC share with VDDPU */
+};
+
+&gpc {
+	fsl,ldo-bypass = <0>; /* use ldo-bypass, u-boot will check it and configure */
+	pu-supply = <&reg_pu>; /* ldo-bypass:use pu_dummy if VDDSOC share with VDDPU */
+};
+
+&gpu {
+	pu-supply = <&reg_pu>; /* ldo-bypass:use pu_dummy if VDDSOC share with VDDPU */
+};
+
+&vpu {
+	pu-supply = <&reg_pu>; /* ldo-bypass:use pu_dummy if VDDSOC share with VDDPU */
+};