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Fri, 14 Jun 2019 09:53:30 +0000 (GMT) From: Lukasz Luba To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Cc: mturquette@baylibre.com, sboyd@kernel.org, b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, keescook@chromium.org, tony@atomide.com, jroedel@suse.de, treding@nvidia.com, digetx@gmail.com, gregkh@linuxfoundation.org, willy.mh.wolff.ml@gmail.com, Lukasz Luba Subject: [PATCH v10 12/13] ARM: dts: exynos: add DMC device for exynos5422 Date: Fri, 14 Jun 2019 11:53:08 +0200 Message-Id: <20190614095309.24100-13-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190614095309.24100-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0WSe0hTURzHPbuP3VmT23ydnsLKKCE1ijjNioKSqxREEZIyaulFJTdrN+1h xSrLnK5CSUVdWhKOaanTLe2l+cjQdJpWllmS9PIV5qMnK6931X/f8/19fuf7+x0OhcneEPOo WM0hVqtRxclJV9z28Lt9Rb4GUwa2VHiiipwyAj2f+ECggsZ2ApWMDQB0pqiMRJktRhF6nKZG FweGMGS3l4tR2+lhMXqpW4DG0l8TqOt2PonGDY0A5djvi9CNxj4x6mzZgnpPmUjUMJxCIMez ChzVdoei3p9uaOrRW7DRm5mazMCZzz1nxUyerhNnanL7xIzFnEoytcZSMWM4M0oyD0bvipgL VWbAVLYmMeOWRdtnhbuui2LjYhNZbcCGva4x6Ze7wYHqwCPXnmThOtC2RA8kFKRXw6KzRSI9 cKVktAnAp6V1YuEwAWD7o3ckT8nocQDvWBP1gJrpcJiUAlMMYPEnPfmvwZaTRvIQSfvDavNB vteDzgEw7+NOnsHoWxgc6X0F+II7HQq//RwkeB6nfaFNv4a3pfRG+EHXIRam84El5XUYryXT flPB8EwWpA0UrC6zOaHNMM2RTAraHQ42Vzn9BfB3TYFI0BzUGa4CQR+HAxeNTiYINjR3zsyA 0cth2e0Awd4E3w99AcK+brBnZA5vY9Myw5aNCbYUnj8nE+hlsCq9wxnkBYtLs5yXMzDlXq1I eMFMAA2ZkkvAJ/d/ViEAZuDNJnDqaJZbpWEP+3MqNZegifaPjFdbwPS3a3U0T1aD+7/21QOa AvLZ0jqFSCkjVIncUXU9gBQm95BeCcKUMmmU6ugxVhu/R5sQx3L1YD6Fy72lSS79ETI6WnWI 3c+yB1jt36qIkszTgY4khcfaQhVsStpuMzZk4X6bO43Z+38kv5NeCAqJqEEPgirbpjLaF3p5 rsfDPnmfv35ya7hiYuloqSK4cWDDCZN1d3/bM0jUWhfnf00dDbhhCk5M3SHxNc8NWb9lV0NX eLlX34gtcuSmNVQ+ceXJ3mMvtvU4wk4HWwn/nnwXS1OKHOdiVCv9MC2n+gM2Ks9/cgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMIsWRmVeSWpSXmKPExsVy+t/xe7qz85hjDRZMkrLYOGM9q8X1L89Z LeYfOcdqsfrjY0aL5sXr2Swmn5rLZHGmO9ei//FrZovz5zewW5xtesNucatBxuJjzz1Wi8u7 5rBZfO49wmgx4/w+Jou1R+6yW1w85Wpxu3EFm8XhN+2sFv+ubWSx2H/Fy+L2bz6LbyceMTqI e3z7OonF4/2NVnaP2Q0XWTx2zrrL7rFpVSebx/65a9g9epvfsXkcfLeHyaNvyypGj82nqz0+ b5IL4I7SsynKLy1JVcjILy6xVYo2tDDSM7S00DMysdQzNDaPtTIyVdK3s0lJzcksSy3St0vQ y+iZeoWxYIdBxaJL01gaGM+qdDFycEgImEj8WxHbxcjFISSwlFHi7vtNzF2MnEBxMYlJ+7az Q9jCEn+udbFBFH1ilFjycx4bSDObgJ7EjlWFIHERgTmMEj+7tjGCOMwCZ5kldq94wwTSLSzg JfHj9ytWkAYWAVWJbV1mIGFeAQeJ5w0XoBbIS6zecABsMSdQ/Oj8N2DzhQTsJb7P4J/AyLeA kWEVo0hqaXFuem6xkV5xYm5xaV66XnJ+7iZGYARuO/Zzyw7GrnfBhxgFOBiVeHgPWDHFCrEm lhVX5h5ilOBgVhLhnWfNHCvEm5JYWZValB9fVJqTWnyI0RTopInMUqLJ+cDkkFcSb2hqaG5h aWhubG5sZqEkztshcDBGSCA9sSQ1OzW1ILUIpo+Jg1OqgXHPCoEzUwRy/x/9JaFXUT5B8OgE Jq8D88968u3/9l6vlLfswt7nxYtZ1p2M2aMux2OyRnTit3Xrz4pmuhlNjHisv0CoynHltJNL Jq8/sz1xk32VQsvquN8HpS5KHmZc3Dnto+7S7BVNE6b/aNLlUVgUtjP3YyHX6oo6br3p1XY5 L4p2S3JvTApXYinOSDTUYi4qTgQAInPcONYCAAA= X-CMS-MailID: 20190614095331eucas1p138707301cac47902f0d0d9a41bd4a8a4 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190614095331eucas1p138707301cac47902f0d0d9a41bd4a8a4 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190614095331eucas1p138707301cac47902f0d0d9a41bd4a8a4 References: <20190614095309.24100-1-l.luba@partner.samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add description of Dynamic Memory Controller and PPMU counters. They are used by exynos5422-dmc driver. There is a definition of the memory chip, which is then used during calculation of timings for each OPP. The algorithm in the driver needs these two sets to bound the timings. Signed-off-by: Lukasz Luba --- arch/arm/boot/dts/exynos5420.dtsi | 73 +++++++++++ arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 116 ++++++++++++++++++ 2 files changed, 189 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index d153617ff1a3..79e74ae80938 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -235,6 +235,31 @@ status = "disabled"; }; + dmc: memory-controller@10c20000 { + compatible = "samsung,exynos5422-dmc"; + reg = <0x10c20000 0x100>, <0x10c30000 0x100>; + clocks = <&clock CLK_FOUT_SPLL>, + <&clock CLK_MOUT_SCLK_SPLL>, + <&clock CLK_FF_DOUT_SPLL2>, + <&clock CLK_FOUT_BPLL>, + <&clock CLK_MOUT_BPLL>, + <&clock CLK_SCLK_BPLL>, + <&clock CLK_MOUT_MX_MSPLL_CCORE>, + <&clock CLK_MOUT_MX_MSPLL_CCORE_PHY>, + <&clock CLK_MOUT_MCLK_CDREX>; + clock-names = "fout_spll", + "mout_sclk_spll", + "ff_dout_spll2", + "fout_bpll", + "mout_bpll", + "sclk_bpll", + "mout_mx_mspll_ccore", + "mout_mx_mspll_ccore_phy", + "mout_mclk_cdrex"; + samsung,syscon-clk = <&clock>; + status = "disabled"; + }; + nocp_mem0_0: nocp@10ca1000 { compatible = "samsung,exynos5420-nocp"; reg = <0x10CA1000 0x200>; @@ -271,6 +296,54 @@ status = "disabled"; }; + ppmu_dmc0_0: ppmu@10d00000 { + compatible = "samsung,exynos-ppmu"; + reg = <0x10d00000 0x2000>; + clocks = <&clock CLK_PCLK_PPMU_DREX0_0>; + clock-names = "ppmu"; + events { + ppmu_event3_dmc0_0: ppmu-event3-dmc0_0 { + event-name = "ppmu-event3-dmc0_0"; + }; + }; + }; + + ppmu_dmc0_1: ppmu@10d10000 { + compatible = "samsung,exynos-ppmu"; + reg = <0x10d10000 0x2000>; + clocks = <&clock CLK_PCLK_PPMU_DREX0_1>; + clock-names = "ppmu"; + events { + ppmu_event3_dmc0_1: ppmu-event3-dmc0_1 { + event-name = "ppmu-event3-dmc0_1"; + }; + }; + }; + + ppmu_dmc1_0: ppmu@10d60000 { + compatible = "samsung,exynos-ppmu"; + reg = <0x10d60000 0x2000>; + clocks = <&clock CLK_PCLK_PPMU_DREX1_0>; + clock-names = "ppmu"; + events { + ppmu_event3_dmc1_0: ppmu-event3-dmc1_0 { + event-name = "ppmu-event3-dmc1_0"; + }; + }; + }; + + ppmu_dmc1_1: ppmu@10d70000 { + compatible = "samsung,exynos-ppmu"; + reg = <0x10d70000 0x2000>; + clocks = <&clock CLK_PCLK_PPMU_DREX1_1>; + clock-names = "ppmu"; + events { + ppmu_event3_dmc1_1: ppmu-event3-dmc1_1 { + event-name = "ppmu-event3-dmc1_1"; + }; + }; + }; + gsc_pd: power-domain@10044000 { compatible = "samsung,exynos4210-pd"; reg = <0x10044000 0x20>; diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 25d95de15c9b..30e569c13ee7 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -34,6 +34,97 @@ clock-frequency = <24000000>; }; }; + + dmc_opp_table: opp_table2 { + compatible = "operating-points-v2"; + + opp00 { + opp-hz = /bits/ 64 <165000000>; + opp-microvolt = <875000>; + }; + opp01 { + opp-hz = /bits/ 64 <206000000>; + opp-microvolt = <875000>; + }; + opp02 { + opp-hz = /bits/ 64 <275000000>; + opp-microvolt = <875000>; + }; + opp03 { + opp-hz = /bits/ 64 <413000000>; + opp-microvolt = <887500>; + }; + opp04 { + opp-hz = /bits/ 64 <543000000>; + opp-microvolt = <937500>; + }; + opp05 { + opp-hz = /bits/ 64 <633000000>; + opp-microvolt = <1012500>; + }; + opp06 { + opp-hz = /bits/ 64 <728000000>; + opp-microvolt = <1037500>; + }; + opp07 { + opp-hz = /bits/ 64 <825000000>; + opp-microvolt = <1050000>; + }; + }; + + samsung_K3QF2F20DB: lpddr3 { + compatible = "samsung,K3QF2F20DB", "jedec,lpddr3"; + density = <16384>; + io-width = <32>; + #address-cells = <1>; + #size-cells = <0>; + + tRFC-min-tck = <17>; + tRRD-min-tck = <2>; + tRPab-min-tck = <2>; + tRPpb-min-tck = <2>; + tRCD-min-tck = <3>; + tRC-min-tck = <6>; + tRAS-min-tck = <5>; + tWTR-min-tck = <2>; + tWR-min-tck = <7>; + tRTP-min-tck = <2>; + tW2W-C2C-min-tck = <0>; + tR2R-C2C-min-tck = <0>; + tWL-min-tck = <8>; + tDQSCK-min-tck = <5>; + tRL-min-tck = <14>; + tFAW-min-tck = <5>; + tXSR-min-tck = <12>; + tXP-min-tck = <2>; + tCKE-min-tck = <2>; + tCKESR-min-tck = <2>; + tMRD-min-tck = <5>; + + timings_samsung_K3QF2F20DB_800mhz: lpddr3-timings@800000000 { + compatible = "jedec,lpddr3-timings"; + reg = <800000000>; /* workaround: it shows max-freq */ + min-freq = <100000000>; + tRFC = <65000>; + tRRD = <6000>; + tRPab = <12000>; + tRPpb = <12000>; + tRCD = <10000>; + tRC = <33750>; + tRAS = <23000>; + tWTR = <3750>; + tWR = <7500>; + tRTP = <3750>; + tW2W-C2C = <0>; + tR2R-C2C = <0>; + tFAW = <25000>; + tXSR = <70000>; + tXP = <3750>; + tCKE = <3750>; + tCKESR = <3750>; + tMRD = <7000>; + }; + }; }; &adc { @@ -132,6 +223,15 @@ cpu-supply = <&buck2_reg>; }; +&dmc { + devfreq-events = <&ppmu_event3_dmc0_0>, <&ppmu_event3_dmc0_1>, + <&ppmu_event3_dmc1_0>, <&ppmu_event3_dmc1_1>; + device-handle = <&samsung_K3QF2F20DB>; + operating-points-v2 = <&dmc_opp_table>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + &hsi2c_4 { status = "okay"; @@ -540,6 +640,22 @@ }; }; +&ppmu_dmc0_0 { + status = "okay"; +}; + +&ppmu_dmc0_1 { + status = "okay"; +}; + +&ppmu_dmc1_0 { + status = "okay"; +}; + +&ppmu_dmc1_1 { + status = "okay"; +}; + &tmu_cpu0 { vtmu-supply = <&ldo7_reg>; }; -- 2.17.1