Re: [PATCH v2 05/13] ARM: dts: db600c: add pmic regulator supplies

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On 19/04/16 20:10, Stephen Boyd wrote:
On 04/12/2016 02:33 AM, Srinivas Kandagatla wrote:
This patch adds pmic regulator supplies connected on the board.
Rest of the invidual regulators would be added as and when required by
the devices.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
  arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts | 62 +++++++++++++++++++++++++
  1 file changed, 62 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
index 57d4500..6695b00 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-db600c.dts
@@ -9,7 +9,69 @@
  		serial1 = &gsbi1_serial;
  	};

+	regulators {
+		compatible = "simple-bus";
+		vph: regulator-fixed@1 {
+			compatible = "regulator-fixed";
+			regulator-min-microvolt = <4500000>;
+			regulator-max-microvolt = <4500000>;
+			regulator-name = "VPH";
+			regulator-type = "voltage";
+			regulator-boot-on;
+		};
+	};

Just curious why we added the vph supply? Is that for some framework
requirement? We haven't done this on other boards, although we probably
should if there's a good reason for it.

This is an on board 12V TO 4.5V @5.5A DC/DC convertor for PMIC VPH power. Yep we should do something similar on the other boards too. Without this probably you would notice some error messages from rpm_regulators about missing supply nodes.


thanks,
srini




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