From: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org> To: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>, viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, amstan-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org Subject: [PATCH v2] ARM: dts: rockchip: convert rk3288 to operating-points-v2 Date: Mon, 18 Jun 2018 12:05:19 +0200 [thread overview] Message-ID: <20180618100519.14922-1-heiko@sntech.de> (raw) Operating points need to be present in each cpu core using it, not only the first one. With operating-points-v1 this would require duplicating this table into each cpu node. With opp-v2 we can share the same table on all nodes. Signed-off-by: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org> --- changes in v2: - adapt opp node names as suggested by Viresh arch/arm/boot/dts/rk3288-veyron.dtsi | 36 +++++++------- arch/arm/boot/dts/rk3288.dtsi | 70 ++++++++++++++++++++++------ 2 files changed, 75 insertions(+), 31 deletions(-) diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi index 823c7ed47fcf..2075120cfc4d 100644 --- a/arch/arm/boot/dts/rk3288-veyron.dtsi +++ b/arch/arm/boot/dts/rk3288-veyron.dtsi @@ -91,22 +91,26 @@ &cpu0 { cpu0-supply = <&vdd_cpu>; - operating-points = < - /* KHz uV */ - 1800000 1400000 - 1704000 1350000 - 1608000 1300000 - 1512000 1250000 - 1416000 1200000 - 1200000 1100000 - 1008000 1050000 - 816000 1000000 - 696000 950000 - 600000 900000 - 408000 900000 - 216000 900000 - 126000 900000 - >; +}; + +/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */ +&cpu_opp_table { + /delete-node/ opp-312000000; + + opp-1512000000 { + opp-microvolt = <1250000>; + }; + opp-1608000000 { + opp-microvolt = <1300000>; + }; + opp-1704000000 { + opp-hz = /bits/ 64 <1704000000>; + opp-microvolt = <1350000>; + }; + opp-1800000000 { + opp-hz = /bits/ 64 <1800000000>; + opp-microvolt = <1400000>; + }; }; &emmc { diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 2a060c2dc383..7094f95b967f 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -60,21 +60,7 @@ compatible = "arm,cortex-a12"; reg = <0x500>; resets = <&cru SRST_CORE0>; - operating-points = < - /* KHz uV */ - 1608000 1350000 - 1512000 1300000 - 1416000 1200000 - 1200000 1100000 - 1008000 1050000 - 816000 1000000 - 696000 950000 - 600000 900000 - 408000 900000 - 312000 900000 - 216000 900000 - 126000 900000 - >; + operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; /* min followed by max */ clock-latency = <40000>; clocks = <&cru ARMCLK>; @@ -99,6 +85,60 @@ }; }; + cpu_opp_table: cpu-opp-table { + compatible = "operating-points-v2"; + opp-shared; + + opp-126000000 { + opp-hz = /bits/ 64 <126000000>; + opp-microvolt = <900000>; + }; + opp-216000000 { + opp-hz = /bits/ 64 <216000000>; + opp-microvolt = <900000>; + }; + opp-312000000 { + opp-hz = /bits/ 64 <312000000>; + opp-microvolt = <900000>; + }; + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <900000>; + }; + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <900000>; + }; + opp-696000000 { + opp-hz = /bits/ 64 <696000000>; + opp-microvolt = <950000>; + }; + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <1000000>; + }; + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <1050000>; + }; + opp-1200000000 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt = <1100000>; + }; + opp-1416000000 { + opp-hz = /bits/ 64 <1416000000>; + opp-microvolt = <1200000>; + }; + opp-1512000000 { + opp-hz = /bits/ 64 <1512000000>; + opp-microvolt = <1300000>; + }; + opp-1608000000 { + opp-hz = /bits/ 64 <1608000000>; + opp-microvolt = <1350000>; + }; + }; + amba { compatible = "simple-bus"; #address-cells = <2>; -- 2.17.0
WARNING: multiple messages have this Message-ID (diff)
From: heiko@sntech.de (Heiko Stuebner) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2] ARM: dts: rockchip: convert rk3288 to operating-points-v2 Date: Mon, 18 Jun 2018 12:05:19 +0200 [thread overview] Message-ID: <20180618100519.14922-1-heiko@sntech.de> (raw) Operating points need to be present in each cpu core using it, not only the first one. With operating-points-v1 this would require duplicating this table into each cpu node. With opp-v2 we can share the same table on all nodes. Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- changes in v2: - adapt opp node names as suggested by Viresh arch/arm/boot/dts/rk3288-veyron.dtsi | 36 +++++++------- arch/arm/boot/dts/rk3288.dtsi | 70 ++++++++++++++++++++++------ 2 files changed, 75 insertions(+), 31 deletions(-) diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi index 823c7ed47fcf..2075120cfc4d 100644 --- a/arch/arm/boot/dts/rk3288-veyron.dtsi +++ b/arch/arm/boot/dts/rk3288-veyron.dtsi @@ -91,22 +91,26 @@ &cpu0 { cpu0-supply = <&vdd_cpu>; - operating-points = < - /* KHz uV */ - 1800000 1400000 - 1704000 1350000 - 1608000 1300000 - 1512000 1250000 - 1416000 1200000 - 1200000 1100000 - 1008000 1050000 - 816000 1000000 - 696000 950000 - 600000 900000 - 408000 900000 - 216000 900000 - 126000 900000 - >; +}; + +/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */ +&cpu_opp_table { + /delete-node/ opp-312000000; + + opp-1512000000 { + opp-microvolt = <1250000>; + }; + opp-1608000000 { + opp-microvolt = <1300000>; + }; + opp-1704000000 { + opp-hz = /bits/ 64 <1704000000>; + opp-microvolt = <1350000>; + }; + opp-1800000000 { + opp-hz = /bits/ 64 <1800000000>; + opp-microvolt = <1400000>; + }; }; &emmc { diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 2a060c2dc383..7094f95b967f 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -60,21 +60,7 @@ compatible = "arm,cortex-a12"; reg = <0x500>; resets = <&cru SRST_CORE0>; - operating-points = < - /* KHz uV */ - 1608000 1350000 - 1512000 1300000 - 1416000 1200000 - 1200000 1100000 - 1008000 1050000 - 816000 1000000 - 696000 950000 - 600000 900000 - 408000 900000 - 312000 900000 - 216000 900000 - 126000 900000 - >; + operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; /* min followed by max */ clock-latency = <40000>; clocks = <&cru ARMCLK>; @@ -99,6 +85,60 @@ }; }; + cpu_opp_table: cpu-opp-table { + compatible = "operating-points-v2"; + opp-shared; + + opp-126000000 { + opp-hz = /bits/ 64 <126000000>; + opp-microvolt = <900000>; + }; + opp-216000000 { + opp-hz = /bits/ 64 <216000000>; + opp-microvolt = <900000>; + }; + opp-312000000 { + opp-hz = /bits/ 64 <312000000>; + opp-microvolt = <900000>; + }; + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <900000>; + }; + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <900000>; + }; + opp-696000000 { + opp-hz = /bits/ 64 <696000000>; + opp-microvolt = <950000>; + }; + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <1000000>; + }; + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <1050000>; + }; + opp-1200000000 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt = <1100000>; + }; + opp-1416000000 { + opp-hz = /bits/ 64 <1416000000>; + opp-microvolt = <1200000>; + }; + opp-1512000000 { + opp-hz = /bits/ 64 <1512000000>; + opp-microvolt = <1300000>; + }; + opp-1608000000 { + opp-hz = /bits/ 64 <1608000000>; + opp-microvolt = <1350000>; + }; + }; + amba { compatible = "simple-bus"; #address-cells = <2>; -- 2.17.0
next reply other threads:[~2018-06-18 10:05 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-18 10:05 Heiko Stuebner [this message] 2018-06-18 10:05 ` [PATCH v2] ARM: dts: rockchip: convert rk3288 to operating-points-v2 Heiko Stuebner 2018-06-18 10:23 ` Viresh Kumar 2018-06-18 10:23 ` Viresh Kumar
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