From: pi-cheng.chen@linaro.org (Pi-Cheng Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 4/4] arm64: dts: mt8173: Add mt8173 cpufreq driver support
Date: Thu, 9 Jul 2015 18:27:41 +0800 [thread overview]
Message-ID: <1436437661-17606-5-git-send-email-pi-cheng.chen@linaro.org> (raw)
In-Reply-To: <1436437661-17606-1-git-send-email-pi-cheng.chen@linaro.org>
This patch adds the required properties in device tree to enable MT8173
cpufreq driver.
Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
---
It is based on the top of Mediatek SoC maintainer's tree[1] and the
patch that adds cpumux clocks for MT8173[2]
[1] https://github.com/mbgg/linux-mediatek.git v4.2-next/arm64
commit id: 16ea61fc56144f1860f9edd5a219666ade01d3b8
[2] http://marc.info/?l=devicetree&m=143617720314125&w=2
---
arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 64 +++++++++++++++++++++++++++++
2 files changed, 82 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 986f25f..c47f8d0 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -261,6 +261,24 @@
};
};
+&cpu0 {
+ proc-supply = <&mt6397_vpca15_reg>;
+};
+
+&cpu1 {
+ proc-supply = <&mt6397_vpca15_reg>;
+};
+
+&cpu2 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+};
+
+&cpu3 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 359b8b6..47a443d 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -53,6 +53,22 @@
reg = <0x000>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points = <
+ 507000 859000
+ 702000 908000
+ 1001000 983000
+ 1105000 1009000
+ 1183000 1028000
+ 1404000 1083000
+ 1508000 1109000
+ 1573000 1125000
+ >;
+ #cooling-cells = <2>;
+ #cooling-min-level = <0>;
+ #cooling-max-level = <7>;
};
cpu1: cpu at 1 {
@@ -61,6 +77,22 @@
reg = <0x001>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points = <
+ 507000 859000
+ 702000 908000
+ 1001000 983000
+ 1105000 1009000
+ 1183000 1028000
+ 1404000 1083000
+ 1508000 1109000
+ 1573000 1125000
+ >;
+ #cooling-cells = <2>;
+ #cooling-min-level = <0>;
+ #cooling-max-level = <7>;
};
cpu2: cpu at 100 {
@@ -69,6 +101,22 @@
reg = <0x100>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points = <
+ 507000 828000
+ 702000 867000
+ 1001000 927000
+ 1209000 968000
+ 1404000 1007000
+ 1612000 1049000
+ 1807000 1089000
+ 1989000 1125000
+ >;
+ #cooling-cells = <2>;
+ #cooling-min-level = <0>;
+ #cooling-max-level = <7>;
};
cpu3: cpu at 101 {
@@ -77,6 +125,22 @@
reg = <0x101>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points = <
+ 507000 828000
+ 702000 867000
+ 1001000 927000
+ 1209000 968000
+ 1404000 1007000
+ 1612000 1049000
+ 1807000 1089000
+ 1989000 1125000
+ >;
+ #cooling-cells = <2>;
+ #cooling-min-level = <0>;
+ #cooling-max-level = <7>;
};
idle-states {
--
1.9.1
next prev parent reply other threads:[~2015-07-09 10:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 10:27 [PATCH v6 0/4] Add Mediatek MT8173 cpufreq driver Pi-Cheng Chen
2015-07-09 10:27 ` [PATCH v6 1/4] dt-bindings: mediatek: Add MT8173 CPU DVFS clock bindings Pi-Cheng Chen
2015-07-09 14:55 ` Michael Turquette
2015-07-09 10:27 ` [PATCH v6 2/4] dt-bindings: mediatek: Add MT8173 cpufreq driver bindings Pi-Cheng Chen
2015-07-09 10:32 ` Viresh Kumar
2015-07-09 10:27 ` [PATCH v6 3/4] cpufreq: mediatek: Add MT8173 cpufreq driver Pi-Cheng Chen
2015-07-09 10:27 ` Pi-Cheng Chen [this message]
2015-07-09 10:34 ` [PATCH v6 0/4] Add Mediatek " Viresh Kumar
2015-08-02 7:27 ` Viresh Kumar
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