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Tue, 1 Oct 2019 12:54:46 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20191001125446eusmtrp159943e5ef6acf48f09bd25ada70b427f~Jhxj5PbHB1469914699eusmtrp1y; Tue, 1 Oct 2019 12:54:46 +0000 (GMT) X-AuditID: cbfec7f4-ae1ff700000010d5-6e-5d934c966cc2 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 47.6D.04166.69C439D5; Tue, 1 Oct 2019 13:54:46 +0100 (BST) Received: from AMDC3778.digital.local (unknown [106.120.51.20]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20191001125445eusmtip13bcde73093ffe8d4bfc91c2e04f40688~JhxjLfqXw2414524145eusmtip1S; Tue, 1 Oct 2019 12:54:45 +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 v2 3/4] ARM: dts: exynos: map 0x10000 SFR instead of 0x100 in DMC Exynos5422 Date: Tue, 1 Oct 2019 14:54:35 +0200 Message-Id: <20191001125436.24086-4-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191001125436.24086-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCKsWRmVeSWpSXmKPExsWy7djPc7rTfCbHGtw/p2+xccZ6VovrX56z Wsw/co7Vov/xa2aL8+c3sFucbXrDbnGrQcZi0+NrrBaXd81hs/jce4TRYsb5fUwWa4/cZbdY ev0ik8XtxhVsFq17j7BbHH7Tzmrx7cQjRgdBjzXz1jB67Jx1l91j06pONo/NS+o9Dr7bw+TR t2UVo8fnTXIB7FFcNimpOZllqUX6dglcGcfa/7AXPGKv+NS7mbGBcTdbFyMnh4SAiUTXv+vs XYxcHEICKxglfn9/wQThfAFybj1khHA+M0ocnvuECablQNdfFojEckaJJSsOMMO1/Jm5GqiK g4NNQE9ix6pCkAYRgcWMEt8OR4HUMAtsY5J4sOobK0hCWCBO4s3DXWA2i4CqxJZV28GO4hWw lzj+9SAjxDZ5idUbQBZwcnAKOEgsu7SVFWSQhMApdomjcw4yQxS5SCw+sgaqQVji1fEt7BC2 jMTpyT0sEHaxREPvQqiaGonH/XOhaqwlDh+/yApyNLOApsT6XfoQYUeJL4tWg4UlBPgkbrwV BAkzA5mTtk1nhgjzSnS0CUFUa0hs6bkADR8xieVrprFDlHhItH5yg4TOZEaJn3fmskxglJ+F sGsBI+MqRvHU0uLc9NRio7zUcr3ixNzi0rx0veT83E2MwLR0+t/xLzsYd/1JOsQowMGoxMM7 4eXEWCHWxLLiytxDjBIczEoivDZ/JsUK8aYkVlalFuXHF5XmpBYfYpTmYFES561meBAtJJCe WJKanZpakFoEk2Xi4JRqYFyucmTKIv07Ks0xq5Uendd71bbrdXxoevxHpa7ggJrtAmutPHhV thukL9L4acj6ZMcBuZmsX/prpdymnrz7fw/D5AXd+mbhGq4ZoX3NchbPK455hx4vfZZgyJBd e8a3s4DXgMHE6eecwobJTgVH+b2cc1W2vtm8tT2j737yoxcdi25V5YfKK7EUZyQaajEXFScC AKc7d31HAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOIsWRmVeSWpSXmKPExsVy+t/xu7rTfCbHGty/IGmxccZ6VovrX56z Wsw/co7Vov/xa2aL8+c3sFucbXrDbnGrQcZi0+NrrBaXd81hs/jce4TRYsb5fUwWa4/cZbdY ev0ik8XtxhVsFq17j7BbHH7Tzmrx7cQjRgdBjzXz1jB67Jx1l91j06pONo/NS+o9Dr7bw+TR t2UVo8fnTXIB7FF6NkX5pSWpChn5xSW2StGGFkZ6hpYWekYmlnqGxuaxVkamSvp2NimpOZll qUX6dgl6Gcfa/7AXPGKv+NS7mbGBcTdbFyMnh4SAicSBrr8sXYxcHEICSxklpra9ZYRIiElM 2redHcIWlvhzrYsNougTo8Tl+0+AEhwcbAJ6EjtWFYLERQSWM0ocW/WWGcRhFjjCJHF09TVG kCJhgRiJ7a0+IINYBFQltqzaDraZV8Be4vjXg1DL5CVWbzjADGJzCjhILLu0lRXEFgKqmbLv NeMERr4FjAyrGEVSS4tz03OLDfWKE3OLS/PS9ZLzczcxAiNl27Gfm3cwXtoYfIhRgINRiYd3 wsuJsUKsiWXFlbmHGCU4mJVEeG3+TIoV4k1JrKxKLcqPLyrNSS0+xGgKdNREZinR5HxgFOeV xBuaGppbWBqaG5sbm1koifN2CByMERJITyxJzU5NLUgtgulj4uCUamAMCZl05NWkG6u56w9d 5U6xOVoXfH+BKs9PuwaP2bM/5bY/vhKcMPPSNrnmRYUTm4OOPZupZxndWzb5dvHVpOXcKTf2 pHU/7LWd9rPI5ia72eWwOz+iRHWFWhZf3rTAuSUksm5Ckn7Fwqe9UvvXrZNRmmN2Neb2lBP1 bv++xXfv3Pq7WvdTImePEktxRqKhFnNRcSIA06hgvqoCAAA= X-CMS-MailID: 20191001125446eucas1p1fb2ad4c13feac8dfec8d5eeeeec0a64a X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191001125446eucas1p1fb2ad4c13feac8dfec8d5eeeeec0a64a X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191001125446eucas1p1fb2ad4c13feac8dfec8d5eeeeec0a64a References: <20191001125436.24086-1-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 45f63cd82e56..ac6dc44dbe4d 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>, <16 1>; interrupt-names = "drex_0", "drex_1"; -- 2.17.1