[RFC/PATCH 12/12] ARM: dts: qcom: Add necessary DT data for Krait cpufreq
From: Stephen Boyd
Date: Tue Jun 24 2014 - 20:08:39 EST
Add the necessary DT nodes and data so we can probe the cpufreq
driver on MSM devices with Krait CPUs.
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/qcom-msm8960.dtsi | 49 +++++++++++++++++
arch/arm/boot/dts/qcom-msm8974.dtsi | 106 ++++++++++++++++++++++++++++++++++--
2 files changed, 151 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom-msm8960.dtsi
index 5303e53e34dc..94eeca22986f 100644
--- a/arch/arm/boot/dts/qcom-msm8960.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8960.dtsi
@@ -23,6 +23,24 @@
next-level-cache = <&L2>;
qcom,acc = <&acc0>;
qcom,saw = <&saw0>;
+ clocks = <&kraitcc 0>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 918000 1000000
+ 864000 1000000
+ 810000 1000000
+ 756000 1000000
+ 702000 1000000
+ 648000 1000000
+ 594000 1000000
+ 540000 1000000
+ 486000 1000000
+ 432000 1000000
+ 384000 1000000
+ >;
+ clock-latency = <100000>;
+
};
cpu@1 {
@@ -33,6 +51,24 @@
next-level-cache = <&L2>;
qcom,acc = <&acc1>;
qcom,saw = <&saw1>;
+ clocks = <&kraitcc 1>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 918000 1000000
+ 864000 1000000
+ 810000 1000000
+ 756000 1000000
+ 702000 1000000
+ 648000 1000000
+ 594000 1000000
+ 540000 1000000
+ 486000 1000000
+ 432000 1000000
+ 384000 1000000
+ >;
+ clock-latency = <100000>;
+
};
L2: l2-cache {
@@ -47,6 +83,11 @@
qcom,no-pc-write;
};
+ kraitcc: clock-controller {
+ compatible = "qcom,krait-cc-v1";
+ #clock-cells = <1>;
+ };
+
soc: soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -100,11 +141,19 @@
acc0: clock-controller@2088000 {
compatible = "qcom,kpss-acc-v1";
reg = <0x02088000 0x1000>, <0x02008000 0x1000>;
+ clock-output-names = "acpu0_aux";
};
acc1: clock-controller@2098000 {
compatible = "qcom,kpss-acc-v1";
reg = <0x02098000 0x1000>, <0x02008000 0x1000>;
+ clock-output-names = "acpu1_aux";
+ };
+
+ l2cc: clock-controller@2011000 {
+ compatible = "qcom,kpss-gcc";
+ reg = <0x2011000 0x1000>;
+ clock-output-names = "acpu_l2_aux";
};
saw0: regulator@2089000 {
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 69dca2aca25a..e607063b527a 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -14,40 +14,104 @@
#size-cells = <0>;
interrupts = <1 9 0xf04>;
- cpu@0 {
+ cpu0: cpu@0 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v2";
device_type = "cpu";
reg = <0>;
next-level-cache = <&L2>;
qcom,acc = <&acc0>;
+ clocks = <&kraitcc 0>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 960000 1000000
+ 883200 1000000
+ 806400 1000000
+ 729600 1000000
+ 652800 1000000
+ 576000 1000000
+ 499200 1000000
+ 422400 1000000
+ 345600 1000000
+ 300000 1000000
+ >;
+ clock-latency = <100000>;
};
- cpu@1 {
+ cpu1: cpu@1 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v2";
device_type = "cpu";
reg = <1>;
next-level-cache = <&L2>;
qcom,acc = <&acc1>;
+ clocks = <&kraitcc 1>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 960000 1000000
+ 883200 1000000
+ 806400 1000000
+ 729600 1000000
+ 652800 1000000
+ 576000 1000000
+ 499200 1000000
+ 422400 1000000
+ 345600 1000000
+ 300000 1000000
+ >;
+ clock-latency = <100000>;
};
- cpu@2 {
+ cpu2: cpu@2 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v2";
device_type = "cpu";
reg = <2>;
next-level-cache = <&L2>;
qcom,acc = <&acc2>;
+ clocks = <&kraitcc 2>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 960000 1000000
+ 883200 1000000
+ 806400 1000000
+ 729600 1000000
+ 652800 1000000
+ 576000 1000000
+ 499200 1000000
+ 422400 1000000
+ 345600 1000000
+ 300000 1000000
+ >;
+ clock-latency = <100000>;
};
- cpu@3 {
+ cpu3: cpu@3 {
compatible = "qcom,krait";
enable-method = "qcom,kpss-acc-v2";
device_type = "cpu";
reg = <3>;
next-level-cache = <&L2>;
qcom,acc = <&acc3>;
+ clocks = <&kraitcc 3>;
+ clock-names = "cpu";
+ operating-points = <
+ /* kHz ignored */
+ 960000 1000000
+ 883200 1000000
+ 806400 1000000
+ 729600 1000000
+ 652800 1000000
+ 576000 1000000
+ 499200 1000000
+ 422400 1000000
+ 345600 1000000
+ 300000 1000000
+ >;
+ clock-latency = <100000>;
};
L2: l2-cache {
@@ -71,6 +135,10 @@
clock-frequency = <19200000>;
};
+ kraitcc: clock-controller {
+ compatible = "qcom,krait-cc-v2";
+ #clock-cells = <1>;
+ };
soc: soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -144,6 +212,36 @@
};
};
+ clock-controller@f9016000 {
+ compatible = "qcom,hfpll";
+ reg = <0xf9016000 0x30>;
+ clock-output-names = "hfpll_l2";
+ };
+
+ clock-controller@f908a000 {
+ compatible = "qcom,hfpll";
+ reg = <0xf908a000 0x30>, <0xf900a000 0x30>;
+ clock-output-names = "hfpll0";
+ };
+
+ clock-controller@f909a000 {
+ compatible = "qcom,hfpll";
+ reg = <0xf909a000 0x30>, <0xf900a000 0x30>;
+ clock-output-names = "hfpll1";
+ };
+
+ clock-controller@f90aa000 {
+ compatible = "qcom,hfpll";
+ reg = <0xf90aa000 0x30>, <0xf900a000 0x30>;
+ clock-output-names = "hfpll2";
+ };
+
+ clock-controller@f90ba000 {
+ compatible = "qcom,hfpll";
+ reg = <0xf90ba000 0x30>, <0xf900a000 0x30>;
+ clock-output-names = "hfpll3";
+ };
+
saw_l2: regulator@f9012000 {
compatible = "qcom,saw2";
reg = <0xf9012000 0x1000>;
--
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