Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH v2 13/19] ARM: dts: Add bus nodes using VDD_MIF for Exynos4x12 | Date | Wed, 09 Dec 2015 13:08:05 +0900 |
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This patch adds the bus noes using VDD_MIF for Exynos4x12 SoC. Exynos4x12 has the following AXI buses to translate data between DRAM and DMC/ACP/C2C.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- arch/arm/boot/dts/exynos4x12.dtsi | 72 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi index b77dac61ffb5..3bcf0939755e 100644 --- a/arch/arm/boot/dts/exynos4x12.dtsi +++ b/arch/arm/boot/dts/exynos4x12.dtsi @@ -282,6 +282,78 @@ clocks = <&clock CLK_SMMU_LITE1>, <&clock CLK_FIMC_LITE1>; #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_c2c: bus_c2c { + compatible = "samsung,exynos-bus"; + clocks = <&clock CLK_DIV_C2C>; + clock-names = "bus"; + operating-points-v2 = <&bus_dmc_opp_table>; + status = "disabled"; + }; + + bus_dmc_opp_table: opp_table1 { + compatible = "operating-points-v2"; + opp-shared; + + opp00 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <900000>; + }; + opp01 { + opp-hz = /bits/ 64 <134000000>; + opp-microvolt = <900000>; + }; + opp02 { + opp-hz = /bits/ 64 <160000000>; + opp-microvolt = <900000>; + }; + opp03 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <950000>; + }; + opp04 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <1050000>; + }; + }; + + bus_acp_opp_table: opp_table2 { + compatible = "operating-points-v2"; + opp-shared; + + opp00 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <900000>; + }; + opp01 { + opp-hz = /bits/ 64 <134000000>; + opp-microvolt = <900000>; + }; + opp02 { + opp-hz = /bits/ 64 <160000000>; + opp-microvolt = <900000>; + }; + opp03 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <950000>; + }; + }; }; &combiner { -- 1.9.1
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