OMAP443x, OMAP446x SoC use same offsets for voltage controller,
however their voltage characteristics differ a little.
Introduce the voltage controller nodes for the same.
Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
arch/arm/boot/dts/omap4.dtsi | 26 ++++++++++++++++++++++++++
arch/arm/boot/dts/omap443x.dtsi | 15 +++++++++++++++
arch/arm/boot/dts/omap4460.dtsi | 16 ++++++++++++++++
3 files changed, 57 insertions(+)
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 3b44546..a153e8d 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -104,6 +104,11 @@
ti,hwmods = "counter_32k";
};
+ sysclk_in: sys_clkin {
+ #clock-cells = <0>;
+ compatible = "ti,omap-clock";
+ };
+
dpll_mpu: dpll_mpu {
#clock-cells = <0>;
compatible = "ti,omap-clock";
@@ -663,5 +668,26 @@
ram-bits = <12>;
ti,has-mailbox;
};
+
+ vc: vc@0x4A307B88 {
+ compatible = "ti,omap4-vc";
+ clocks = <&sysclk_in>;
+ reg = <0x4A307B88 0x40>;
+ reg-names = "base-address";
+
+ ti,i2c-high-speed; /* belongs to board file */
+ vc_mpu: vc_mpu {
+ compatible = "ti,omap4-vc-channel-mpu";
+ ti,master-channel;
+ };
+
+ vc_iva: vc_iva {
+ compatible = "ti,omap4-vc-channel-iva";
+ };
+
+ vc_core: vc_core {
+ compatible = "ti,omap4-vc-channel-core";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
index bcf455e..2b0deb5 100644
--- a/arch/arm/boot/dts/omap443x.dtsi
+++ b/arch/arm/boot/dts/omap443x.dtsi
@@ -31,3 +31,18 @@
compatible = "ti,omap4430-bandgap";
};
};
+
+&vc_mpu {
+ ti,retention-micro-volts = <750000>;
+ ti,off-micro-volts = <0>;
+};
+
+&vc_iva {
+ ti,retention-micro-volts = <750000>;
+ ti,off-micro-volts = <0>;
+};
+
+&vc_core {
+ ti,retention-micro-volts = <750000>;
+ ti,off-micro-volts = <0>;
+};
diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
index c2f0f39..16210a1 100644
--- a/arch/arm/boot/dts/omap4460.dtsi
+++ b/arch/arm/boot/dts/omap4460.dtsi
@@ -39,3 +39,19 @@
gpios = <&gpio3 22 0>; /* tshut */
};
};
+
+&vc_mpu {
+ ti,retention-micro-volts = <750000>;
+ /* Erratum i738: Reliability impact work around */
+ ti,off-micro-volts = <750000>;
+};
+
+&vc_iva {
+ ti,retention-micro-volts = <750000>;
+ ti,off-micro-volts = <0>;
+};
+
+&vc_core {
+ ti,retention-micro-volts = <750000>;
+ ti,off-micro-volts = <0>;
+};
--
1.7.9.5
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