[RFC 8/8] ARM: dts: imx6qdl-sabresd: Enable fsl,ldo-bypass

From: Leonard Crestez
Date: Wed Mar 22 2017 - 13:13:16 EST

This enables LDO bypass by default on the imx6qdl-sabresd boards. New
dts files with -ldo suffix are added for users who want to run with LDOs
enabled on these boards anyway.

Signed-off-by: Leonard Crestez <leonard.crestez@xxxxxxx>
---
arch/arm/boot/dts/imx6dl-sabresd-ldo.dts | 13 +++++++++++++
arch/arm/boot/dts/imx6q-sabresd-ldo.dts | 13 +++++++++++++
arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 19 +++++++++++++++++++
arch/arm/boot/dts/imx6qdl.dtsi | 6 +++---
arch/arm/boot/dts/imx6qp-sabresd-ldo.dts | 13 +++++++++++++
arch/arm/boot/dts/imx6qp-sabresd.dts | 4 ++--
6 files changed, 63 insertions(+), 5 deletions(-)
create mode 100644 arch/arm/boot/dts/imx6dl-sabresd-ldo.dts
create mode 100644 arch/arm/boot/dts/imx6q-sabresd-ldo.dts
create mode 100644 arch/arm/boot/dts/imx6qp-sabresd-ldo.dts

diff --git a/arch/arm/boot/dts/imx6dl-sabresd-ldo.dts b/arch/arm/boot/dts/imx6dl-sabresd-ldo.dts
new file mode 100644
index 0000000..1b224d6
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-sabresd-ldo.dts
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "imx6dl-sabresd.dts"
+
+&gpc {
+ fsl,ldo-bypass = <0>;
+};
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 0000000..4d2e8cc
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-sabresd-ldo.dts
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "imx6q-sabresd.dts"
+
+&gpc {
+ fsl,ldo-bypass = <0>;
+};
diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index 63bf95e..5a73d9d 100644
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -182,6 +182,10 @@
status = "okay";
};

+&gpc {
+ fsl,ldo-bypass = <1>;
+};
+
&hdmi {
ddc-i2c-bus = <&i2c2>;
status = "okay";
@@ -548,6 +552,21 @@
status = "okay";
};

+&reg_arm {
+ vin-supply = <&sw1a_reg>;
+ regulator-allow-bypass;
+};
+
+&reg_pu {
+ vin-supply = <&sw1c_reg>;
+ regulator-allow-bypass;
+};
+
+&reg_soc {
+ vin-supply = <&sw1c_reg>;
+ regulator-allow-bypass;
+};
+
&snvs_poweroff {
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 6d7bf64..54fe769 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -677,7 +677,7 @@
compatible = "fsl,anatop-regulator";
regulator-name = "vddarm";
regulator-min-microvolt = <725000>;
- regulator-max-microvolt = <1450000>;
+ regulator-max-microvolt = <1300000>;
regulator-always-on;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <0>;
@@ -694,7 +694,7 @@
compatible = "fsl,anatop-regulator";
regulator-name = "vddpu";
regulator-min-microvolt = <725000>;
- regulator-max-microvolt = <1450000>;
+ regulator-max-microvolt = <1300000>;
regulator-enable-ramp-delay = <150>;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <9>;
@@ -711,7 +711,7 @@
compatible = "fsl,anatop-regulator";
regulator-name = "vddsoc";
regulator-min-microvolt = <725000>;
- regulator-max-microvolt = <1450000>;
+ regulator-max-microvolt = <1300000>;
regulator-always-on;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <18>;
diff --git a/arch/arm/boot/dts/imx6qp-sabresd-ldo.dts b/arch/arm/boot/dts/imx6qp-sabresd-ldo.dts
new file mode 100644
index 0000000..c659533
--- /dev/null
+++ b/arch/arm/boot/dts/imx6qp-sabresd-ldo.dts
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "imx6qp-sabresd.dts"
+
+&gpc {
+ fsl,ldo-bypass = <0>;
+};
diff --git a/arch/arm/boot/dts/imx6qp-sabresd.dts b/arch/arm/boot/dts/imx6qp-sabresd.dts
index b234580..a8a5004 100644
--- a/arch/arm/boot/dts/imx6qp-sabresd.dts
+++ b/arch/arm/boot/dts/imx6qp-sabresd.dts
@@ -50,8 +50,8 @@
compatible = "fsl,imx6qp-sabresd", "fsl,imx6qp";
};

-&cpu0 {
- arm-supply = <&sw2_reg>;
+&reg_arm {
+ vin-supply = <&sw2_reg>;
};

&iomuxc {
--
2.7.4