openwrt-owl/target/linux/ipq40xx/patches-4.14/071-qcom-ipq4019-use-v2-of-the-kpss-bringup-mechanism.patch

From 364123029d8d547336323fbd3d659ecd0bba913f Mon Sep 17 00:00:00 2001
From: Matthew McClintock <mmcclint@codeaurora.org>
Date: Mon, 23 Jul 2018 08:41:02 +0200
Subject: [PATCH 5/8] qcom: ipq4019: use v2 of the kpss bringup mechanism

v1 was the incorrect choice here and sometimes the board
would not come up properly.

Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: John Crispin <john@phrozen.org>
---
 arch/arm/boot/dts/qcom-ipq4019.dtsi | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -34,7 +34,8 @@
 		cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
-			enable-method = "qcom,kpss-acc-v1";
+			enable-method = "qcom,kpss-acc-v2";
+			next-level-cache = <&L2>;
 			qcom,acc = <&acc0>;
 			qcom,saw = <&saw0>;
 			reg = <0x0>;
@@ -53,7 +54,8 @@
 		cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
-			enable-method = "qcom,kpss-acc-v1";
+			enable-method = "qcom,kpss-acc-v2";
+			next-level-cache = <&L2>;
 			qcom,acc = <&acc1>;
 			qcom,saw = <&saw1>;
 			reg = <0x1>;
@@ -64,7 +66,8 @@
 		cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
-			enable-method = "qcom,kpss-acc-v1";
+			enable-method = "qcom,kpss-acc-v2";
+			next-level-cache = <&L2>;
 			qcom,acc = <&acc2>;
 			qcom,saw = <&saw2>;
 			reg = <0x2>;
@@ -75,13 +78,20 @@
 		cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
-			enable-method = "qcom,kpss-acc-v1";
+			enable-method = "qcom,kpss-acc-v2";
+			next-level-cache = <&L2>;
 			qcom,acc = <&acc3>;
 			qcom,saw = <&saw3>;
 			reg = <0x3>;
 			clocks = <&gcc GCC_APPS_CLK_SRC>;
 			clock-frequency = <0>;
 		};
+
+		L2: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			qcom,saw = <&saw_l2>;
+		};
 	};
 
 	pmu {
@@ -213,22 +223,22 @@
 		};
 
                 acc0: clock-controller@b088000 {
-                        compatible = "qcom,kpss-acc-v1";
+			compatible = "qcom,kpss-acc-v2";
                         reg = <0x0b088000 0x1000>, <0xb008000 0x1000>;
                 };
 
                 acc1: clock-controller@b098000 {
-                        compatible = "qcom,kpss-acc-v1";
+			compatible = "qcom,kpss-acc-v2";
                         reg = <0x0b098000 0x1000>, <0xb008000 0x1000>;
                 };
 
                 acc2: clock-controller@b0a8000 {
-                        compatible = "qcom,kpss-acc-v1";
+			compatible = "qcom,kpss-acc-v2";
                         reg = <0x0b0a8000 0x1000>, <0xb008000 0x1000>;
                 };
 
                 acc3: clock-controller@b0b8000 {
-                        compatible = "qcom,kpss-acc-v1";
+			compatible = "qcom,kpss-acc-v2";
                         reg = <0x0b0b8000 0x1000>, <0xb008000 0x1000>;
                 };
 
@@ -256,6 +266,12 @@
                         regulator;
                 };
 
+		saw_l2: regulator@b012000 {
+			compatible = "qcom,saw2";
+			reg = <0xb012000 0x1000>;
+			regulator;
+		};
+
 		serial@78af000 {
 			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
 			reg = <0x78af000 0x200>;