From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
For all Exynos based platforms, add CPU nodes, operating points and cpu
clock data for migrating from Exynos specific cpufreq driver to using
generic cpufreq-cpu0 driver.
Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
---
.../devicetree/bindings/clock/exynos5250-clock.txt | 1 +
arch/arm/boot/dts/exynos4210-origen.dts | 6 +++
arch/arm/boot/dts/exynos4210-trats.dts | 6 +++
arch/arm/boot/dts/exynos4210-universal_c210.dts | 6 +++
arch/arm/boot/dts/exynos4210.dtsi | 35 +++++++++++++++++
arch/arm/boot/dts/exynos4212.dtsi | 18 +++++++++
arch/arm/boot/dts/exynos4412-odroidx.dts | 6 +++
arch/arm/boot/dts/exynos4412-origen.dts | 6 +++
arch/arm/boot/dts/exynos4412-trats2.dts | 6 +++
arch/arm/boot/dts/exynos4412.dtsi | 31 +++++++++++++++
arch/arm/boot/dts/exynos4x12.dtsi | 36 +++++++++++++++++
arch/arm/boot/dts/exynos5250-arndale.dts | 6 +++
arch/arm/boot/dts/exynos5250-cros-common.dtsi | 6 +++
arch/arm/boot/dts/exynos5250-smdk5250.dts | 6 +++
arch/arm/boot/dts/exynos5250.dtsi | 41 ++++++++++++++++++++
15 files changed, 216 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
index 9ca818e..4513cbb 100644
--- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
@@ -43,6 +43,7 @@ clock which they consume.
----------------------------
fin_pll 1
+ armclk 12
[Clock Gate for Special Clocks]
diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index 2aa13cb..dd17e93 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -32,6 +32,12 @@
bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck1_reg>;
+ };
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 63cc571..25487d76 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -30,6 +30,12 @@
bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5";
};
+ cpus {
+ cpu: cpu@0 {
+ cpu0-supply = <&varm_breg>;
+ };
+ };
+
regulators {
compatible = "simple-bus";
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index d2e3f5f..74d5a70 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -28,6 +28,12 @@
bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rw rootwait earlyprintk panic=5 maxcpus=1";
};
+ cpus {
+ cpu: cpu@0 {
+ cpu0-supply = <&vdd_arm_reg>;
+ };
+ };
+
mct@10050000 {
compatible = "none";
};
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 48ecd7a..a774247 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -36,6 +36,33 @@
reg = <0x10023CA0 0x20>;
};
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ clocks = <&clock 12>;
+ clock-names = "cpu";
+
+ operating-points = <
+ 1200000 1250000
+ 1000000 1150000
+ 800000 1075000
+ 500000 975000
+ 400000 975000
+ 200000 950000
+ >;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <1>;
+ };
+ };
+
gic: interrupt-controller@10490000 {
cpu-offset = <0x8000>;
};
@@ -73,6 +100,14 @@
compatible = "samsung,exynos4210-clock";
reg = <0x10030000 0x20000>;
#clock-cells = <1>;
+
+ samsung,armclk-cells = <9>;
+ samsung,armclk-divider-table = <1200000 3 7 3 4 1 7 5 0>,
+ <1000000 3 7 3 4 1 7 4 0>,
+ < 800000 3 7 3 3 1 7 3 0>,
+ < 500000 3 7 3 3 1 7 3 0>,
+ < 400000 3 7 3 3 1 7 3 0>,
+ < 200000 1 3 1 1 1 0 3 0>;
};
pmu {
diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi
index 94a43f9..efa8f25 100644
--- a/arch/arm/boot/dts/exynos4212.dtsi
+++ b/arch/arm/boot/dts/exynos4212.dtsi
@@ -22,6 +22,24 @@
/ {
compatible = "samsung,exynos4212";
+ clock: clock-controller@10030000 {
+ samsung,armclk-cells = <9>;
+ samsung,armclk-divider-table = <1500000 3 7 0 6 1 2 6 0>,
+ <1400000 3 7 0 6 1 2 6 0>,
+ <1300000 3 7 0 5 1 2 5 0>,
+ <1200000 3 7 0 5 1 2 5 0>,
+ <1100000 3 6 0 4 1 2 4 0>,
+ <1000000 2 5 0 4 1 1 4 0>,
+ < 900000 2 5 0 3 1 1 3 0>,
+ < 800000 2 5 0 3 1 1 3 0>,
+ < 700000 2 4 0 3 1 1 3 0>,
+ < 600000 2 4 0 3 1 1 3 0>,
+ < 500000 2 4 0 3 1 1 3 0>,
+ < 400000 2 4 0 3 1 1 3 0>,
+ < 300000 2 4 0 2 1 1 3 0>,
+ < 200000 1 3 0 1 1 1 3 0>;
+ };
+
gic: interrupt-controller@10490000 {
cpu-offset = <0x8000>;
};
diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
index 9804fcb..04c14dc 100644
--- a/arch/arm/boot/dts/exynos4412-odroidx.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
@@ -22,6 +22,12 @@
reg = <0x40000000 0x40000000>;
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
leds {
compatible = "gpio-leds";
led1 {
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 6bc0539..89bcf2c 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -27,6 +27,12 @@
bootargs ="console=ttySAC2,115200";
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
firmware@0203F000 {
compatible = "samsung,secure-firmware";
reg = <0x0203F000 0x1000>;
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 4f851cc..4a4d446 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -31,6 +31,12 @@
bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5";
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
firmware@0204F000 {
compatible = "samsung,secure-firmware";
reg = <0x0204F000 0x1000>;
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index 87b339c..f7efdbb 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -22,6 +22,37 @@
/ {
compatible = "samsung,exynos4412";
+ cpus {
+ cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <2>;
+ };
+ cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <3>;
+ };
+ };
+
+ clock: clock-controller@10030000 {
+ samsung,armclk-cells = <10>;
+ samsung,armclk-divider-table = <1500000 3 7 0 6 1 2 6 0 7>,
+ <1400000 3 7 0 6 1 2 6 0 6>,
+ <1300000 3 7 0 5 1 2 5 0 6>,
+ <1200000 3 7 0 5 1 2 5 0 5>,
+ <1100000 3 6 0 4 1 2 4 0 5>,
+ <1000000 2 5 0 4 1 1 4 0 4>,
+ < 900000 2 5 0 3 1 1 3 0 4>,
+ < 800000 2 5 0 3 1 1 3 0 3>,
+ < 700000 2 4 0 3 1 1 3 0 3>,
+ < 600000 2 4 0 3 1 1 3 0 2>,
+ < 500000 2 4 0 3 1 1 3 0 2>,
+ < 400000 2 4 0 3 1 1 3 0 1>,
+ < 300000 2 4 0 2 1 1 3 0 1>,
+ < 200000 1 3 0 1 1 1 3 0 0>;
+ };
+
gic: interrupt-controller@10490000 {
cpu-offset = <0x4000>;
};
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 5c412aa..c613fc2 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -31,6 +31,42 @@
mshc0 = &mshc_0;
};
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ clocks = <&clock 12>;
+ clock-names = "cpu";
+
+ operating-points = <
+ 1500000 1350000
+ 1400000 1287500
+ 1300000 1250000
+ 1200000 1187500
+ 1100000 1137500
+ 1000000 1087500
+ 900000 1037500
+ 800000 1000000
+ 700000 987500
+ 600000 975000
+ 500000 950000
+ 400000 925000
+ 300000 900000
+ 200000 900000
+ >;
+ clock-latency = <200000>;
+ boost-frequency = <1500000 1350000>;
+ };
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <1>;
+ };
+ };
+
pd_isp: isp-power-domain@10023CA0 {
compatible = "samsung,exynos4210-pd";
reg = <0x10023CA0 0x20>;
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index b42e658..4716eef 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -25,6 +25,12 @@
bootargs = "console=ttySAC2,115200";
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
codec@11000000 {
samsung,mfc-r = <0x43000000 0x800000>;
samsung,mfc-l = <0x51000000 0x800000>;
diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
index 2c1560d..4bde756 100644
--- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi
+++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
@@ -19,6 +19,12 @@
chosen {
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
pinctrl@11400000 {
/*
* Disabled pullups since external part has its own pullups and
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 3e69837..6ce964f 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -27,6 +27,12 @@
bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
};
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&buck2_reg>;
+ };
+ };
+
i2c@12C60000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <20000>;
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index b7dec41..0a8545e 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -61,6 +61,29 @@
compatible = "arm,cortex-a15";
reg = <0>;
clock-frequency = <1700000000>;
+
+ clocks = <&clock 12>;
+ clock-names = "cpu";
+
+ operating-points = <
+ 1700000 1300000
+ 1600000 1250000
+ 1500000 1225000
+ 1400000 1200000
+ 1300000 1150000
+ 1200000 1125000
+ 1100000 1100000
+ 1000000 1075000
+ 900000 1050000
+ 800000 1025000
+ 700000 1012500
+ 600000 1000000
+ 500000 975000
+ 400000 950000
+ 300000 937500
+ 200000 925000
+ >;
+ clock-latency = <200000>;
};
cpu@1 {
device_type = "cpu";
@@ -84,6 +107,24 @@
compatible = "samsung,exynos5250-clock";
reg = <0x10010000 0x30000>;
#clock-cells = <1>;
+
+ samsung,armclk-cells = <9>;
+ samsung,armclk-divider-table = <1700000 3 7 7 7 3 5 0 2>,
+ <1600000 3 7 7 7 1 4 0 2>,
+ <1500000 2 7 7 7 1 4 0 2>,
+ <1400000 2 7 7 6 1 4 0 2>,
+ <1300000 2 7 7 6 1 3 0 2>,
+ <1200000 2 7 7 5 1 3 0 2>,
+ <1100000 3 7 7 5 1 3 0 2>,
+ <1000000 1 7 7 4 1 2 0 2>,
+ < 900000 1 7 7 4 1 2 0 2>,
+ < 800000 1 7 7 4 1 2 0 2>,
+ < 700000 1 7 7 3 1 1 0 2>,
+ < 600000 1 7 7 3 1 1 0 2>,
+ < 500000 1 7 7 2 1 1 0 2>,
+ < 400000 1 7 7 2 1 1 0 2>,
+ < 300000 1 7 7 1 1 1 0 2>,
+ < 200000 1 7 7 1 1 1 0 2>;
};
clock_audss: audss-clock-controller@3810000 {
--
1.7.10.4
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