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Groups > linux.kernel > #1201752
| From | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 3/6] ARM: dts: Exynos4x12: add CPU OPP and regulator supply property |
| Date | 2015-08-06 15:50 +0200 |
| Message-ID | <pUtIu-271-13@gated-at.bofh.it> (permalink) |
| References | <pUtIu-271-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
For Exynos4x12 platforms, add CPU operating points (using
opp-v2 bindings) and CPU regulator supply properties for
migrating from Exynos specific cpufreq driver to using
generic cpufreq driver.
Based on the earlier work by Thomas Abraham.
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Doug Anderson <dianders@chromium.org>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
arch/arm/boot/dts/exynos4212.dtsi | 81 ++++++++++++++++++++++++
arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 4 ++
arch/arm/boot/dts/exynos4412-origen.dts | 4 ++
arch/arm/boot/dts/exynos4412-trats2.dts | 4 ++
arch/arm/boot/dts/exynos4412.dtsi | 83 +++++++++++++++++++++++++
5 files changed, 176 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi
index d9c8efee..5389011 100644
--- a/arch/arm/boot/dts/exynos4212.dtsi
+++ b/arch/arm/boot/dts/exynos4212.dtsi
@@ -30,6 +30,9 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA00>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
cooling-min-level = <13>;
cooling-max-level = <7>;
#cooling-cells = <2>; /* min followed by max */
@@ -39,6 +42,84 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA01>;
+ operating-points-v2 = <&cpu0_opp_table>;
+ };
+ };
+
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp00 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <925000>;
+ clock-latency-ns = <200000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <950000>;
+ clock-latency-ns = <200000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <975000>;
+ clock-latency-ns = <200000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <700000000>;
+ opp-microvolt = <987500>;
+ clock-latency-ns = <200000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <200000>;
+ };
+ opp07 {
+ opp-hz = /bits/ 64 <900000000>;
+ opp-microvolt = <1037500>;
+ clock-latency-ns = <200000>;
+ };
+ opp08 {
+ opp-hz = /bits/ 64 <1000000000>;
+ opp-microvolt = <1087500>;
+ clock-latency-ns = <200000>;
+ };
+ opp09 {
+ opp-hz = /bits/ 64 <1100000000>;
+ opp-microvolt = <1137500>;
+ clock-latency-ns = <200000>;
+ };
+ opp10 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1187500>;
+ clock-latency-ns = <200000>;
+ };
+ opp11 {
+ opp-hz = /bits/ 64 <1300000000>;
+ opp-microvolt = <1250000>;
+ clock-latency-ns = <200000>;
+ };
+ opp12 {
+ opp-hz = /bits/ 64 <1400000000>;
+ opp-microvolt = <1287500>;
+ clock-latency-ns = <200000>;
+ };
+ opp13 {
+ opp-hz = /bits/ 64 <1500000000>;
+ opp-microvolt = <1350000>;
+ clock-latency-ns = <200000>;
+ turbo-mode;
};
};
};
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index ca7d168..db52841 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -107,6 +107,10 @@
};
};
+&cpu0 {
+ cpu0-supply = <&buck2_reg>;
+};
+
/* RSTN signal for eMMC */
&sd1_cd {
samsung,pin-pud = <0>;
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 84c7631..9d528af 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -78,6 +78,10 @@
};
};
+&cpu0 {
+ cpu0-supply = <&buck2_reg>;
+};
+
&fimd {
pinctrl-0 = <&lcd_clk &lcd_data24 &pwm1_out>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 8848400..2a1ebb7 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -288,6 +288,10 @@
status = "okay";
};
+&cpu0 {
+ cpu0-supply = <&buck2_reg>;
+};
+
&csis_0 {
status = "okay";
vddcore-supply = <&ldo8_reg>;
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index b78ada7..ca0e3c1 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -30,6 +30,9 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA00>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
cooling-min-level = <13>;
cooling-max-level = <7>;
#cooling-cells = <2>; /* min followed by max */
@@ -39,18 +42,98 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA01>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@A02 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA02>;
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu@A03 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0xA03>;
+ operating-points-v2 = <&cpu0_opp_table>;
+ };
+ };
+
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp00 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <900000>;
+ clock-latency-ns = <200000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <925000>;
+ clock-latency-ns = <200000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <950000>;
+ clock-latency-ns = <200000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <975000>;
+ clock-latency-ns = <200000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <700000000>;
+ opp-microvolt = <987500>;
+ clock-latency-ns = <200000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1000000>;
+ clock-latency-ns = <200000>;
+ };
+ opp07 {
+ opp-hz = /bits/ 64 <900000000>;
+ opp-microvolt = <1037500>;
+ clock-latency-ns = <200000>;
+ };
+ opp08 {
+ opp-hz = /bits/ 64 <1000000000>;
+ opp-microvolt = <1087500>;
+ clock-latency-ns = <200000>;
+ };
+ opp09 {
+ opp-hz = /bits/ 64 <1100000000>;
+ opp-microvolt = <1137500>;
+ clock-latency-ns = <200000>;
+ };
+ opp10 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1187500>;
+ clock-latency-ns = <200000>;
+ };
+ opp11 {
+ opp-hz = /bits/ 64 <1300000000>;
+ opp-microvolt = <1250000>;
+ clock-latency-ns = <200000>;
+ };
+ opp12 {
+ opp-hz = /bits/ 64 <1400000000>;
+ opp-microvolt = <1287500>;
+ clock-latency-ns = <200000>;
+ };
+ opp13 {
+ opp-hz = /bits/ 64 <1500000000>;
+ opp-microvolt = <1350000>;
+ clock-latency-ns = <200000>;
+ turbo-mode;
};
};
--
1.9.1
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[PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
[PATCH v4 4/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4x12 Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
[PATCH v4 2/6] clk: samsung: exynos4x12: add cpu clock configuration data and instantiate cpu clock Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
[PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 05:50 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-07 12:40 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 12:50 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-07 13:20 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 13:40 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-08-08 00:00 +0200
Re: [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-08 04:10 +0200
[PATCH v4 6/6] cpufreq: remove no longer needed CPU_FREQ_BOOST_SW config option Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
Re: [PATCH v4 6/6] cpufreq: remove no longer needed CPU_FREQ_BOOST_SW config option Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 06:40 +0200
[PATCH v4 5/6] cpufreq: exynos: remove Exynos4x12 specific cpufreq driver support Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
[PATCH v4 3/6] ARM: dts: Exynos4x12: add CPU OPP and regulator supply property Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-06 15:50 +0200
RE: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Kukjin Kim <kgene@kernel.org> - 2015-08-07 02:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 06:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 06:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-07 06:20 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 06:40 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-07 07:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 07:20 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-07 13:40 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 13:50 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2015-08-07 13:50 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-07 14:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-08-08 00:00 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-08 04:10 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-08 09:30 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Viresh Kumar <viresh.kumar@linaro.org> - 2015-08-08 16:00 +0200
RE: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Kukjin Kim <kgene@kernel.org> - 2015-08-10 03:30 +0200
Re: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-11 04:30 +0200
RE: [PATCH v4 0/6] cpufreq: use generic cpufreq drivers for Exynos4x12 platform Kukjin Kim <kgene@kernel.org> - 2015-08-11 10:00 +0200
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