From f0ba9eaa9129043ce12cf97b1f8d6fad33934a40 Mon Sep 17 00:00:00 2001 From: Chanwoo Choi Date: Mon, 11 Apr 2016 12:57:54 +0900 Subject: [PATCH] ARM: dts: exynos: Add bus nodes using VDD_MIF for Exynos4210 This patch adds the bus nodes for Exynos4210 SoC. Exynos4210 SoC has one power line for all buses to translate data between DRAM and sub-blocks. Following list specifies the detailed relation between DRAM and sub-blocks: - DMC/ACP clock for DMC (Dynamic Memory Controller) - ACLK200 clock for LCD0 - ACLK100 clock for PERIL/PERIR/MFC(PCLK) - ACLK160 clock for CAM/TV/LCD0/LCD1 - ACLK133 clock for FSYS/GPS - GDL/GDR clock for LEFTBUS/RIGHTBUS - SCLK_MFC clock for MFC Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4210.dtsi | 159 ++++++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index c1cb8df6da07..2d9b02967105 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -257,6 +257,165 @@ power-domains = <&pd_lcd1>; #iommu-cells = <0>; }; + + bus_dmc: bus_dmc { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_DIV_DMC>; + clock-names = "bus"; + operating-points-v2 = <&bus_dmc_opp_table>; + status = "disabled"; + }; + + bus_acp: bus_acp { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_DIV_ACP>; + clock-names = "bus"; + operating-points-v2 = <&bus_acp_opp_table>; + status = "disabled"; + }; + + bus_peri: bus_peri { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_ACLK100>; + clock-names = "bus"; + operating-points-v2 = <&bus_peri_opp_table>; + status = "disabled"; + }; + + bus_fsys: bus_fsys { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_ACLK133>; + clock-names = "bus"; + operating-points-v2 = <&bus_fsys_opp_table>; + status = "disabled"; + }; + + bus_display: bus_display { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_ACLK160>; + clock-names = "bus"; + operating-points-v2 = <&bus_display_opp_table>; + status = "disabled"; + }; + + bus_lcd0: bus_lcd0 { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_ACLK200>; + clock-names = "bus"; + operating-points-v2 = <&bus_leftbus_opp_table>; + status = "disabled"; + }; + + bus_leftbus: bus_leftbus { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_DIV_GDL>; + clock-names = "bus"; + operating-points-v2 = <&bus_leftbus_opp_table>; + status = "disabled"; + }; + + bus_rightbus: bus_rightbus { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_DIV_GDR>; + clock-names = "bus"; + operating-points-v2 = <&bus_leftbus_opp_table>; + status = "disabled"; + }; + + bus_mfc: bus_mfc { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_SCLK_MFC>; + clock-names = "bus"; + operating-points-v2 = <&bus_leftbus_opp_table>; + status = "disabled"; + }; + + bus_dmc_opp_table: opp_table1 { + compatible = "operating-points-v2"; + opp-shared; + + opp@134000000 { + opp-hz = /bits/ 64 <134000000>; + opp-microvolt = <1025000>; + }; + opp@267000000 { + opp-hz = /bits/ 64 <267000000>; + opp-microvolt = <1050000>; + }; + opp@400000000 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <1150000>; + }; + }; + + bus_acp_opp_table: opp_table2 { + compatible = "operating-points-v2"; + opp-shared; + + opp@134000000 { + opp-hz = /bits/ 64 <134000000>; + }; + opp@160000000 { + opp-hz = /bits/ 64 <160000000>; + }; + opp@200000000 { + opp-hz = /bits/ 64 <200000000>; + }; + }; + + bus_peri_opp_table: opp_table3 { + compatible = "operating-points-v2"; + opp-shared; + + opp@5000000 { + opp-hz = /bits/ 64 <5000000>; + }; + opp@100000000 { + opp-hz = /bits/ 64 <100000000>; + }; + }; + + bus_fsys_opp_table: opp_table4 { + compatible = "operating-points-v2"; + opp-shared; + + opp@10000000 { + opp-hz = /bits/ 64 <10000000>; + }; + opp@134000000 { + opp-hz = /bits/ 64 <134000000>; + }; + }; + + bus_display_opp_table: opp_table5 { + compatible = "operating-points-v2"; + opp-shared; + + opp@100000000 { + opp-hz = /bits/ 64 <100000000>; + }; + opp@134000000 { + opp-hz = /bits/ 64 <134000000>; + }; + opp@160000000 { + opp-hz = /bits/ 64 <160000000>; + }; + }; + + bus_leftbus_opp_table: opp_table6 { + compatible = "operating-points-v2"; + opp-shared; + + opp@100000000 { + opp-hz = /bits/ 64 <100000000>; + }; + opp@160000000 { + opp-hz = /bits/ 64 <160000000>; + }; + opp@200000000 { + opp-hz = /bits/ 64 <200000000>; + }; + }; }; &gic { -- 2.20.1