ARM: dts: exynos: Add bus nodes using VDD_INT for Exynos3250

This patch adds the bus nodes using VDD_INT for Exynos3250 SoC.
Exynos3250 has following AXI buses to translate data between
DRAM and sub-blocks.

Following list specifies the detailed relation between DRAM and sub-blocks:
- ACLK400 clock for MCUISP
- ACLK266 clock for ISP
- ACLK200 clock for FSYS
- ACLK160 clock for LCD0
- ACLK100 clock for PERIL
- GDL clock for LEFTBUS
- GDR clock for 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>

diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 1ae72c4fa55e151703a35df1b6509a60f4c6ecdc..b5157492a4228d057ebda664a4cbe835b848ce20 100644 (file)
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -722,6 +722,153 @@
                                opp-microvolt = <875000>;
                        };
                };
+
+               bus_leftbus: bus_leftbus {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_GDL>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_leftbus_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_rightbus: bus_rightbus {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_GDR>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_leftbus_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_lcd0: bus_lcd0 {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_ACLK_160>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_leftbus_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_fsys: bus_fsys {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_ACLK_200>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_leftbus_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_mcuisp: bus_mcuisp {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_ACLK_400_MCUISP>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_mcuisp_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_isp: bus_isp {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_ACLK_266>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_isp_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_peril: bus_peril {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_DIV_ACLK_100>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_peril_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_mfc: bus_mfc {
+                       compatible = "samsung,exynos-bus";
+                       clocks = <&cmu CLK_SCLK_MFC>;
+                       clock-names = "bus";
+                       operating-points-v2 = <&bus_leftbus_opp_table>;
+                       status = "disabled";
+               };
+
+               bus_leftbus_opp_table: opp_table2 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp@50000000 {
+                               opp-hz = /bits/ 64 <50000000>;
+                               opp-microvolt = <900000>;
+                       };
+                       opp@80000000 {
+                               opp-hz = /bits/ 64 <80000000>;
+                               opp-microvolt = <900000>;
+                       };
+                       opp@100000000 {
+                               opp-hz = /bits/ 64 <100000000>;
+                               opp-microvolt = <1000000>;
+                       };
+                       opp@134000000 {
+                               opp-hz = /bits/ 64 <134000000>;
+                               opp-microvolt = <1000000>;
+                       };
+                       opp@200000000 {
+                               opp-hz = /bits/ 64 <200000000>;
+                               opp-microvolt = <1000000>;
+                       };
+               };
+
+               bus_mcuisp_opp_table: opp_table3 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp@50000000 {
+                               opp-hz = /bits/ 64 <50000000>;
+                       };
+                       opp@80000000 {
+                               opp-hz = /bits/ 64 <80000000>;
+                       };
+                       opp@100000000 {
+                               opp-hz = /bits/ 64 <100000000>;
+                       };
+                       opp@200000000 {
+                               opp-hz = /bits/ 64 <200000000>;
+                       };
+                       opp@400000000 {
+                               opp-hz = /bits/ 64 <400000000>;
+                       };
+               };
+
+               bus_isp_opp_table: opp_table4 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp@50000000 {
+                               opp-hz = /bits/ 64 <50000000>;
+                       };
+                       opp@80000000 {
+                               opp-hz = /bits/ 64 <80000000>;
+                       };
+                       opp@100000000 {
+                               opp-hz = /bits/ 64 <100000000>;
+                       };
+                       opp@200000000 {
+                               opp-hz = /bits/ 64 <200000000>;
+                       };
+                       opp@300000000 {
+                               opp-hz = /bits/ 64 <300000000>;
+                       };
+               };
+
+               bus_peril_opp_table: opp_table5 {
+                       compatible = "operating-points-v2";
+                       opp-shared;
+
+                       opp@50000000 {
+                               opp-hz = /bits/ 64 <50000000>;
+                       };
+                       opp@80000000 {
+                               opp-hz = /bits/ 64 <80000000>;
+                       };
+                       opp@100000000 {
+                               opp-hz = /bits/ 64 <100000000>;
+                       };
+               };
        };
 };