linux-kernel - [PATCH v1 18/50] ARM: dts: exynos: add bus

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Message-Id: <20190715124417.4787-19-l.luba@partner.samsung.com>
Date:   Mon, 15 Jul 2019 14:43:45 +0200
From:   Lukasz Luba <l.luba@...tner.samsung.com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org
Cc:     mturquette@...libre.com, sboyd@...nel.org,
        b.zolnierkie@...sung.com, krzk@...nel.org, kgene@...nel.org,
        mark.rutland@....com, robh+dt@...nel.org, cw00.choi@...sung.com,
        kyungmin.park@...sung.com, a.hajda@...sung.com,
        m.szyprowski@...sung.com, s.nawrocki@...sung.com,
        myungjoo.ham@...sung.com, Lukasz Luba <l.luba@...tner.samsung.com>
Subject: [PATCH v1 18/50] ARM: dts: exynos: add bus_isp with OPP table

Add bus_isp which controls ACLK400_ISP clock. The OPPs are aligned to
parent clock and PLL rate so that the PLL would not need to be
reprogrammed.

Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
---
 arch/arm/boot/dts/exynos5420.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 5fb2326875dc..1b717c5c3b1a 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -1095,6 +1095,14 @@
 			status = "disabled";
 		};
 
+		bus_isp: bus_isp {
+			compatible = "samsung,exynos-bus";
+			clocks = <&clock CLK_DOUT_ACLK400_ISP>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_isp_opp_table>;
+			status = "disabled";
+		};
+
 		bus_wcore_opp_table: opp_table2 {
 			compatible = "operating-points-v2";
 
@@ -1337,6 +1345,23 @@
 				opp-hz = /bits/ 64 <400000000>;
 			};
 		};
+
+		bus_isp_opp_table: opp_table17 {
+			compatible = "operating-points-v2";
+
+			opp00 {
+				opp-hz = /bits/ 64 <150000000>;
+			};
+			opp01 {
+				opp-hz = /bits/ 64 <200000000>;
+			};
+			opp02 {
+				opp-hz = /bits/ 64 <300000000>;
+			};
+			opp03 {
+				opp-hz = /bits/ 64 <400000000>;
+			};
+		};
 	};
 
 	thermal-zones {
-- 
2.17.1