ARM: dts: msm: add VDD_GFX CPR controller device for msmcobalt

Add a VDD_GFX CPR4 controller device which allows consumers to
make voltage corner requests which are then translated to the
minimum possible voltage using the CPR hardware feedback.

Change-Id: Idd5f5380f911b5b5d402b7c19999ce2e300d660d
CRs-Fixed: 986619
Signed-off-by: David Collins <collinsd@codeaurora.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/qcom/msmcobalt-regulator.dtsi b/arch/arm/boot/dts/qcom/msmcobalt-regulator.dtsi
index 41c3953205a4..a9a7750aaf83 100644
--- a/arch/arm/boot/dts/qcom/msmcobalt-regulator.dtsi
+++ b/arch/arm/boot/dts/qcom/msmcobalt-regulator.dtsi
@@ -10,6 +10,9 @@
  * GNU General Public License for more details.
  */
 
+#include <dt-bindings/clock/msm-clocks-cobalt.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 &rpm_bus {
 	/* PMCOBALT S1 + S6 = VDD_CX supply */
 	rpm-regulator-smpa1 {
@@ -740,6 +743,105 @@
 		};
 	};
 
+	gfx_cpr: cpr4-ctrl@5061000 {
+		compatible = "qcom,cpr4-msmcobalt-mmss-regulator";
+		reg = <0x05061000 0x4000>, <0x00784000 0x1000>;
+		reg-names = "cpr_ctrl", "fuse_base";
+		clocks = <&clock_gpu clk_gpucc_rbcpr_clk>,
+			 <&clock_gcc clk_cnoc_clk>;
+		clock-names = "core_clk", "bus_clk";
+		interrupts = <GIC_SPI 285 IRQ_TYPE_EDGE_RISING>;
+		interrupt-names = "cpr";
+		qcom,cpr-ctrl-name = "gfx";
+
+		qcom,cpr-sensor-time = <1000>;
+		qcom,cpr-loop-time = <5000000>;
+		qcom,cpr-idle-cycles = <15>;
+		qcom,cpr-step-quot-init-min = <10>;
+		qcom,cpr-step-quot-init-max = <13>;
+		qcom,cpr-count-mode = <2>;		/* Staggered */
+
+		vdd-supply = <&pm8005_s1>;
+		qcom,voltage-step = <4000>;
+		mem-acc-supply = <&gfx_mem_acc_vreg>;
+		qcom,cpr-aging-ref-voltage = <1032000>;
+
+		thread@0 {
+			qcom,cpr-thread-id = <0>;
+			qcom,cpr-consecutive-up = <0>;
+			qcom,cpr-consecutive-down = <2>;
+			qcom,cpr-up-threshold = <0>;
+			qcom,cpr-down-threshold = <2>;
+
+			gfx_vreg: regulator {
+				regulator-name = "gfx_corner";
+				regulator-min-microvolt = <1>;
+				regulator-max-microvolt = <6>;
+
+				qcom,cpr-fuse-corners = <4>;
+				qcom,cpr-fuse-combos = <8>;
+				qcom,cpr-corners = <6>;
+
+				qcom,cpr-corner-fmax-map = <1 3 5 6>;
+
+				qcom,cpr-voltage-ceiling =
+					<632000  696000  768000  828000  896000
+					1032000>;
+				qcom,cpr-voltage-floor =
+					<528000  528000  568000  612000  664000
+					 752000>;
+
+				qcom,mem-acc-voltage = <1 1 1 2 2 2>;
+
+				qcom,corner-frequencies =
+					<171000000 251000000 332000000
+					 403000000 504000000 650000000>;
+
+				qcom,cpr-target-quotients =
+				      <   0    0  404  478  363  411  140  176
+					105    0    0    0    0    0    0    0>,
+				      <   0    0  574  651  532  584  266  319
+					196    0    0    0    0    0    0    0>,
+				      <   0    0  743  830  693  753  389  456
+					285    0    0    0    0    0    0    0>,
+				      <   0    0  879  977  829  893  495  570
+					365    0    0    0    0    0    0    0>,
+				      <   0    0 1168 1270 1097 1150    0    0
+					  0    0    0 1406  899  805    0    0>,
+				      <1669 1757    0    0    0    0    0    0
+					  0 1359 1902 1740    0 1033    0    0>;
+
+				qcom,cpr-ro-scaling-factor =
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>,
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>,
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>,
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>,
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>,
+				      <2389 2287 2985 3112 2873 2904 2159 2399
+				       1580 1602 2158 3042 2780 2069    0    0>;
+
+				qcom,cpr-floor-to-ceiling-max-range =
+				       <50000 50000 50000 50000 50000 50000>;
+
+			     qcom,cpr-fused-closed-loop-voltage-adjustment-map =
+					<1 2 2 3 3 4>;
+
+				qcom,allow-voltage-interpolation;
+				qcom,cpr-scaled-open-loop-voltage-as-ceiling;
+
+				qcom,cpr-aging-max-voltage-adjustment = <15000>;
+				qcom,cpr-aging-ref-corner = <6>;
+				qcom,cpr-aging-ro-scaling-factor = <2950>;
+				qcom,allow-aging-voltage-adjustment = <0>;
+			};
+		};
+	};
+
 	gfx_mem_acc_vreg: regulator@1fcf004 {
 		compatible = "qcom,mem-acc-regulator";
 		reg = <0x01fcf004 0x4>;