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ARM: dts: exynos: Add bus nodes using VDD_MIF for Exynos4210

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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 <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This commit is contained in:
Chanwoo Choi 2016-04-11 12:57:54 +09:00 committed by Krzysztof Kozlowski
parent aa99564d91
commit f0ba9eaa91
1 changed files with 159 additions and 0 deletions
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159
arch/arm/boot/dts/exynos4210.dtsi
View file

@ -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 {