From: Chanwoo Choi <cw00.choi@samsung.com>
To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com,
        k.kozlowski@samsung.com, kgene@kernel.org
Cc: rjw@rjwysocki.net, robh+dt@kernel.org, pawel.moll@arm.com,
        mark.rutland@arm.com, ijc+devicetree@hellion.org.uk,
        galak@codeaurora.org, linux@arm.linux.org.uk, linux.amoon@gmail.com,
        tjakobi@math.uni-bielefeld.de, cw00.choi@samsung.com,
        linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-samsung-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: [PATCH v5 14/21] ARM: dts: Add bus nodes using VDD_INT for Exynos3250
Date: Thu, 24 Mar 2016 13:25:23 +0900
Message-id: <1458793530-31897-15-git-send-email-cw00.choi@samsung.com>
In-reply-to: <1458793530-31897-1-git-send-email-cw00.choi@samsung.com>
References: <1458793530-31897-1-git-send-email-cw00.choi@samsung.com>
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This patch adds the bus nodes using VDD_INT for Exynos3250 SoC.
Exynos3250 has following AXI buses to translate data between
DRAM and sub-blocks.

Following list specifies the detailed relation between DRAM and sub-blocks:
- ACLK400 clock for MCUISP
- ACLK266 clock for ISP
- ACLK200 clock for FSYS
- ACLK160 clock for LCD0
- ACLK100 clock for PERIL
- GDL clock for LEFTBUS
- GDR clock for RIGHTBUS
- SCLK_MFC clock for MFC

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
 arch/arm/boot/dts/exynos3250.dtsi | 147 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 1ae72c4fa55e..b5157492a422 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -722,6 +722,153 @@
 				opp-microvolt = <875000>;
 			};
 		};
+
+		bus_leftbus: bus_leftbus {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_GDL>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_leftbus_opp_table>;
+			status = "disabled";
+		};
+
+		bus_rightbus: bus_rightbus {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_GDR>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_leftbus_opp_table>;
+			status = "disabled";
+		};
+
+		bus_lcd0: bus_lcd0 {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_ACLK_160>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_leftbus_opp_table>;
+			status = "disabled";
+		};
+
+		bus_fsys: bus_fsys {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_ACLK_200>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_leftbus_opp_table>;
+			status = "disabled";
+		};
+
+		bus_mcuisp: bus_mcuisp {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_ACLK_400_MCUISP>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_mcuisp_opp_table>;
+			status = "disabled";
+		};
+
+		bus_isp: bus_isp {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_ACLK_266>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_isp_opp_table>;
+			status = "disabled";
+		};
+
+		bus_peril: bus_peril {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_DIV_ACLK_100>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_peril_opp_table>;
+			status = "disabled";
+		};
+
+		bus_mfc: bus_mfc {
+			compatible = "samsung,exynos-bus";
+			clocks = <&cmu CLK_SCLK_MFC>;
+			clock-names = "bus";
+			operating-points-v2 = <&bus_leftbus_opp_table>;
+			status = "disabled";
+		};
+
+		bus_leftbus_opp_table: opp_table2 {
+			compatible = "operating-points-v2";
+			opp-shared;
+
+			opp@50000000 {
+				opp-hz = /bits/ 64 <50000000>;
+				opp-microvolt = <900000>;
+			};
+			opp@80000000 {
+				opp-hz = /bits/ 64 <80000000>;
+				opp-microvolt = <900000>;
+			};
+			opp@100000000 {
+				opp-hz = /bits/ 64 <100000000>;
+				opp-microvolt = <1000000>;
+			};
+			opp@134000000 {
+				opp-hz = /bits/ 64 <134000000>;
+				opp-microvolt = <1000000>;
+			};
+			opp@200000000 {
+				opp-hz = /bits/ 64 <200000000>;
+				opp-microvolt = <1000000>;
+			};
+		};
+
+		bus_mcuisp_opp_table: opp_table3 {
+			compatible = "operating-points-v2";
+			opp-shared;
+
+			opp@50000000 {
+				opp-hz = /bits/ 64 <50000000>;
+			};
+			opp@80000000 {
+				opp-hz = /bits/ 64 <80000000>;
+			};
+			opp@100000000 {
+				opp-hz = /bits/ 64 <100000000>;
+			};
+			opp@200000000 {
+				opp-hz = /bits/ 64 <200000000>;
+			};
+			opp@400000000 {
+				opp-hz = /bits/ 64 <400000000>;
+			};
+		};
+
+		bus_isp_opp_table: opp_table4 {
+			compatible = "operating-points-v2";
+			opp-shared;
+
+			opp@50000000 {
+				opp-hz = /bits/ 64 <50000000>;
+			};
+			opp@80000000 {
+				opp-hz = /bits/ 64 <80000000>;
+			};
+			opp@100000000 {
+				opp-hz = /bits/ 64 <100000000>;
+			};
+			opp@200000000 {
+				opp-hz = /bits/ 64 <200000000>;
+			};
+			opp@300000000 {
+				opp-hz = /bits/ 64 <300000000>;
+			};
+		};
+
+		bus_peril_opp_table: opp_table5 {
+			compatible = "operating-points-v2";
+			opp-shared;
+
+			opp@50000000 {
+				opp-hz = /bits/ 64 <50000000>;
+			};
+			opp@80000000 {
+				opp-hz = /bits/ 64 <80000000>;
+			};
+			opp@100000000 {
+				opp-hz = /bits/ 64 <100000000>;
+			};
+		};
 	};
 };
 
-- 
1.9.1