[v3,13/20] ARM: dts: Add bus nodes using VDD_INT for Exynos3250

Commit Message

Chanwoo Choi Dec. 11, 2015, 5:07 a.m. UTC

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 <[e-mail]>
---
 arch/arm/boot/dts/exynos3250.dtsi | 147 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)

Comments

Krzysztof Kozlowski Dec. 11, 2015, 6:55 a.m. UTC | #1

On 11.12.2015 14:07, Chanwoo Choi wrote:
> 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 <[e-mail]>
> ---
>  arch/arm/boot/dts/exynos3250.dtsi | 147 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 147 insertions(+)
> 

Reviewed-by: Krzysztof Kozlowski <[e-mail]>

Best regards,
Krzysztof


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Patch

diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 262b3b1995fd..5cc98cf13173 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -735,6 +735,153 @@ 
 				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>;
+			};
+		};
 	};
 };