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ARM: dts: exynos: Add bus nodes using VDD_MIF for Exynos4x12

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This patch adds the bus nodes 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>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board]
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This commit is contained in:
Chanwoo Choi 2016-04-11 12:57:52 +09:00 committed by Krzysztof Kozlowski
parent 304d10abb6
commit 266bdc5d61
1 changed files with 68 additions and 0 deletions
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68
arch/arm/boot/dts/exynos4x12.dtsi
View File

@ -281,6 +281,74 @@
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;
opp@100000000 {
opp-hz = /bits/ 64 <100000000>;
opp-microvolt = <900000>;
};
opp@134000000 {
opp-hz = /bits/ 64 <134000000>;
opp-microvolt = <900000>;
};
opp@160000000 {
opp-hz = /bits/ 64 <160000000>;
opp-microvolt = <900000>;
};
opp@267000000 {
opp-hz = /bits/ 64 <267000000>;
opp-microvolt = <950000>;
};
opp@400000000 {
opp-hz = /bits/ 64 <400000000>;
opp-microvolt = <1050000>;
};
};
bus_acp_opp_table: opp_table2 {
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>;
};
opp@267000000 {
opp-hz = /bits/ 64 <267000000>;
};
};
};
&combiner {