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Wed, 25 Sep 2019 16:18:43 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20190925161843eusmtrp10b96972ed299b44f2e62cc2aef086b89~Hur61KknF0531705317eusmtrp1m; Wed, 25 Sep 2019 16:18:43 +0000 (GMT) X-AuditID: cbfec7f2-54fff70000001175-2f-5d8b93630c27 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 9F.14.04166.3639B8D5; Wed, 25 Sep 2019 17:18:43 +0100 (BST) Received: from AMDC3778.digital.local (unknown [106.120.51.20]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190925161842eusmtip1e57b81fb6968461fac7aa18c6ea00622~Hur6FGMp70353003530eusmtip1Y; Wed, 25 Sep 2019 16:18:42 +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-arm-kernel@lists.infradead.org Cc: b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org, mark.rutland@arm.com, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, robh+dt@kernel.org, willy.mh.wolff.ml@gmail.com, Lukasz Luba Subject: [PATCH 2/3] ARM: dts: exynos: map 0x10000 SFR instead of 0x100 in DMC Exynos5422 Date: Wed, 25 Sep 2019 18:18:12 +0200 Message-Id: <20190925161813.21117-3-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190925161813.21117-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrEKsWRmVeSWpSXmKPExsWy7djP87rJk7tjDW5vNLXYOGM9q8X1L89Z LeYfOcdq0f/4NbPF+fMb2C3ONr1ht7jVIGOx6fE1VovLu+awWXzuPcJoMeP8PiaLtUfuslss vX6RyeJ24wo2i9a9R9gtDr9pZ7X4duIRo4Ogx5p5axg9ds66y+6xaVUnm8fmJfUeB9/tYfLo 27KK0ePzJrkA9igum5TUnMyy1CJ9uwSujNtzvjEVXGWveHOni6mBcQNbFyMHh4SAiURXP0sX IyeHkMAKRoktM4O6GLmA7C+MEo8PH2KEcD4zShzffo0ZpAqkYdnTJWwQieWMEm2nD7PAtdxa PQ9sLJuAnsSOVYUgDSICixklvh2OAqlhFtjGJPFg1TdWkISwQLTEgj07wGwWAVWJHZ+3M4LY vAL2Es/bWlggtslLrN5wAGwzp4CDxKe3O5lABkkIHGOXaL48G+okF4m3sy6wQ9jCEq+Ob4Gy ZSROT+6BGlQs0dC7kBHCrpF43D8XqsZa4vDxi6wgRzMLaEqs36UPCRZHiX/7qiFMPokbbwVB ipmBzEnbpjNDhHklOtqEIGZoSGzpucAEYYtJLF8zDWq2h8TsydOZIKEzmVFi9btPrBMY5Wch 7FrAyLiKUTy1tDg3PbXYMC+1XK84Mbe4NC9dLzk/dxMjMCWd/nf80w7Gr5eSDjEKcDAq8fAe COuOFWJNLCuuzD3EKMHBrCTCO0umK1aINyWxsiq1KD++qDQntfgQozQHi5I4bzXDg2ghgfTE ktTs1NSC1CKYLBMHp1QDo4vOkfel10xtLrR+FrqT5tqhxjrjRfCTnJfhwh5GTJqWeY9Wp8/g vNbzO3OZzNmeINnZOgo9V+ds4uQtre5xzFUMP7ZlkqLTt3Jug8uNO8y+cb6WKNmTXm8uq7JR bX9IffPSjrZCtTjn3LrkOXvruT8/DorZPOXKNNVLkxa8yucUDM7+fWqHEktxRqKhFnNRcSIA 4ilE2UUDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBIsWRmVeSWpSXmKPExsVy+t/xu7rJk7tjDZ6+FLXYOGM9q8X1L89Z LeYfOcdq0f/4NbPF+fMb2C3ONr1ht7jVIGOx6fE1VovLu+awWXzuPcJoMeP8PiaLtUfuslss vX6RyeJ24wo2i9a9R9gtDr9pZ7X4duIRo4Ogx5p5axg9ds66y+6xaVUnm8fmJfUeB9/tYfLo 27KK0ePzJrkA9ig9m6L80pJUhYz84hJbpWhDCyM9Q0sLPSMTSz1DY/NYKyNTJX07m5TUnMyy 1CJ9uwS9jNtzvjEVXGWveHOni6mBcQNbFyMnh4SAicSyp0uAbC4OIYGljBJfVt9jgkiISUza t50dwhaW+HOtC6roE6PEujm9QAkODjYBPYkdqwpB4iICyxkljq16ywziMAscYZI4uvoaI0i3 sECkxJeuuWDrWARUJXZ83g4W5xWwl3je1sICsUFeYvWGA8wgNqeAg8SntzvBrhACqVlzgmkC I98CRoZVjCKppcW56bnFhnrFibnFpXnpesn5uZsYgbGy7djPzTsYL20MPsQowMGoxMN7IKw7 Vog1say4MvcQowQHs5II7yyZrlgh3pTEyqrUovz4otKc1OJDjKZAR01klhJNzgfGcV5JvKGp obmFpaG5sbmxmYWSOG+HwMEYIYH0xJLU7NTUgtQimD4mDk6pBkaBP/GTv7s9nSfBz2B3f9Wp 6cy1zk8DJb8tncbGX31B79qrG00H5xh+vxtw+VFt99oHDkrcPy0XZ6TcmzZvLef/hDc2Qi4v Fomq9kYEH37u4/nxQEb1Y/48f7/fAY7nExLeMrx8nnH335WNzgESp844bVo2b+PNknW76tqe T2p2WLRrylxza25rJZbijERDLeai4kQAJo2teqsCAAA= X-CMS-MailID: 20190925161843eucas1p1abaa1aaa20fcf5c55c9e52bb6a491317 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190925161843eucas1p1abaa1aaa20fcf5c55c9e52bb6a491317 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190925161843eucas1p1abaa1aaa20fcf5c55c9e52bb6a491317 References: <20190925161813.21117-1-l.luba@partner.samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a need to access registers at address offset near 0x10000. These registers are private DMC performance counters, which might be used as interrupt trigger when overflow. Potential usage is to skip polling in devfreq framework and switch to interrupt managed bandwidth control. Signed-off-by: Lukasz Luba --- arch/arm/boot/dts/exynos5420.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index 72738e620d11..b695f07f7eed 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -239,7 +239,7 @@ dmc: memory-controller@10c20000 { compatible = "samsung,exynos5422-dmc"; - reg = <0x10c20000 0x100>, <0x10c30000 0x100>; + reg = <0x10c20000 0x10000>, <0x10c30000 0x10000>; interrupt-parent = <&combiner>; interrupts = <16 0>; clocks = <&clock CLK_FOUT_SPLL>, -- 2.17.1