From a57fad4b4041cc3bb1164db39c2e8e01c8368e30 Mon Sep 17 00:00:00 2001
From: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Date: Mon, 21 Dec 2015 13:11:27 -0800
Subject: [PATCH] ARM: dts: msm: update configurations of gfx_cpr regulator for
 8996AU CDP

Halo HL7509 external buck converter powers VDD_GFX voltage rail
on 8996 automotive CDP. Specify the necessary configuration for
it.

Disable closed-loop CPR operation for graphics CPR controller
until it is verified with this external buck configuration.

CRs-Fixed: 978343
Change-Id: I7d9bdce4c0b381942c6201f80b0970cad8d82ab5
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
---
 arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi | 34 ++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi b/arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi
index f2ac1e1e2d71..0e2b9df5f5f9 100644
--- a/arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi
+++ b/arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi
@@ -423,6 +423,15 @@
 		qcom,invert = <0>;
 		status = "okay";
 	};
+
+	mpp@a500 { /* MPP 6 */
+		qcom,mode = <1>;		/* Digital output */
+		qcom,output-type = <0>;		/* CMOS logic */
+		qcom,vin-sel = <2>;		/* S4 1.8V */
+		qcom,src-sel = <0>;		/* Constant */
+		qcom,master-en = <1>;		/* Enable GPIO */
+		status = "okay";
+	};
 };
 
 &soc {
@@ -868,3 +877,28 @@
 &wsa881x_214 {
 	/delete-property/ qcom,spkr-sd-n-gpio;
 };
+
+&hl7509_en_vreg {
+	status = "ok";
+};
+
+&hl7509_vreg {
+	status = "ok";
+};
+
+&gfx_cpr {
+	vdd-supply = <&hl7509_vreg>;
+	qcom,cpr-step-quot-init-min = <20>;
+	qcom,cpr-step-quot-init-max = <26>;
+	qcom,voltage-step = <10000>;
+	/delete-property/ qcom,cpr-enable;
+};
+
+&gfx_vreg {
+	qcom,cpr-voltage-ceiling =
+		<600000  670000  670000  750000  830000
+		 910000  960000 1020000>;
+	qcom,cpr-voltage-floor =
+		<600000  600000  600000  600000  600000
+		 600000  600000  600000>;
+};