On 11.12.2015 14:07, Chanwoo Choi wrote:
> This patch adds the bus noes using VDD_MIF for Exynos4x12 SoC.
"noes", pointed at v2.
> Exynos4x12 has the following AXI buses to translate data
> between DRAM and DMC/ACP/C2C.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> [linux.amoon: Tested on Odroid U3]
> Tested-by: Anand Moon <linux.amoon@xxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos4x12.dtsi | 68 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 68 insertions(+)
The code itself:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Best regards,
Krzysztof
> diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
> index 84a23f962946..99a0f4ca3d47 100644
> --- a/arch/arm/boot/dts/exynos4x12.dtsi
> +++ b/arch/arm/boot/dts/exynos4x12.dtsi
> @@ -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 {
>
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