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Sun, 26 Apr 2020 05:17:11 -0700 (PDT) From: =?utf-8?b?Q2zDqW1lbnQgUMOpcm9u?= To: Maxime Ripard , Chen-Yu Tsai , Rob Herring Subject: [PATCH] arm64: dts: allwinner: h6: Use dedicated CPU OPP table for Tanix TX6 Date: Sun, 26 Apr 2020 14:17:09 +0200 Message-Id: <20200426121709.1216-1-peron.clem@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200426_051713_209167_0FD5A81A X-CRM114-Status: GOOD ( 14.12 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:344 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [peron.clem[at]gmail.com] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi , =?utf-8?b?Q2zDqW1lbnQgUMOpcm9u?= , Piotr Oniszczuk , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Tanix TX6 has a fixed regulator. As DVFS is instructed to change voltage to meet OPP table. The DVFS is not working as expected. Introduce a dedicated OPP Table where voltage are equals to the fixed regulator. Reported-by: Piotr Oniszczuk Fixes: add1e27fb703 ("arm64: dts: allwinner: h6: Enable CPU opp tables for Tanix TX6") Signed-off-by: Clément Péron --- .../sun50i-h6-tanix-tx6-cpu-opp.dtsi | 116 ++++++++++++++++++ .../dts/allwinner/sun50i-h6-tanix-tx6.dts | 2 +- 2 files changed, 117 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6-cpu-opp.dtsi diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6-cpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6-cpu-opp.dtsi new file mode 100644 index 000000000000..062940115563 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6-cpu-opp.dtsi @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (C) 2020 Clément Péron + +/ { + cpu_opp_table: cpu-opp-table { + compatible = "allwinner,sun50i-h6-operating-points"; + nvmem-cells = <&cpu_speed_grade>; + opp-shared; + + opp@480000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <480000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@720000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <720000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@816000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <816000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@888000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <888000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1080000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1080000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1320000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1320000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1488000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1488000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1608000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1608000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1704000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1704000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + + opp@1800000000 { + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-hz = /bits/ 64 <1800000000>; + + opp-microvolt-speed0 = <1135000>; + opp-microvolt-speed1 = <1135000>; + opp-microvolt-speed2 = <1135000>; + }; + }; +}; + +&cpu0 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu1 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu2 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu3 { + operating-points-v2 = <&cpu_opp_table>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts index be81330db14f..3eaa4f49e3d3 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts @@ -4,7 +4,7 @@ /dts-v1/; #include "sun50i-h6.dtsi" -#include "sun50i-h6-cpu-opp.dtsi" +#inlcude "sun50i-h6-tanix-tx6-cpu-opp.dtsi" #include