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ARM: dts: msm: update configurations of gfx_cpr regulator for 8996AU CDP

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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>
This commit is contained in:
Subbaraman Narayanamurthy 2015-12-21 13:11:27 -08:00 • committed by David Keitel
parent cacf3e7d2c
commit a57fad4b40
1 changed files with 34 additions and 0 deletions
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34
arch/arm/boot/dts/qcom/msm8996-auto-cdp.dtsi
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@ -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>;
};