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.c...@samsung.com>
---
 arch/arm/boot/dts/exynos4x12.dtsi | 73 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4x12.dtsi 
b/arch/arm/boot/dts/exynos4x12.dtsi
index b77dac61ffb5..c7ab2825d7cd 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -282,6 +282,79 @@
                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_table0 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <100000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <133000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <160000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <200000000>;
+                       opp-microvolt = <1000000>;
+               };
+               opp04 {
+                       opp-hz = /bits/ 64 <400000000>;
+                       opp-microvolt = <1100000>;
+               };
+       };
+
+       bus_acp_opp_table: opp_table1 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <100000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <133000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <160000000>;
+                       opp-microvolt = <950000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <200000000>;
+                       opp-microvolt = <1000000>;
+               };
+       };
+
 };
 
 &combiner {
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to