arm64: dts: exynos: move exynos-bus nodes out of soc in Exynos5433

The soc node is supposed to have only device nodes with MMIO addresses,
as reported by dtc W=1:

exynos5433-bus.dtsi:10.20-16.4:
Warning (simple_bus_reg): /soc@0/bus0: missing or empty reg/ranges property

and dtbs_check:

exynos5433-tm2.dtb: soc@0: bus1:
{'compatible': ['samsung,exynos-bus'], 'clocks': [[21, 220]], 'clock-names': ['bus'], 'operating-points-v2': [[165]], 'status': ['okay'], 'devfreq': [[166]]} should not be valid under {'type': 'object'}

Move the bus nodes and their OPP tables out of SoC to fix this.

Link: https://lore.kernel.org/r/20230125094513.155063-8-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arm64: dts: exynos: align operating-points table name with dtschema in Exynos5433

Align the name of operating-points node to dtschema to fix warnings like:

arch/arm64/boot/dts/exynos/exynos5433-tm2.dt.yaml:
opp-table2: $nodename:0: 'opp-table2' does not match '^opp-table(-[a-z0-9]+)?$'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20210820081458.83406-1-krzysztof.kozlowski@canonical.com

arm64: dts: exynos: use hyphens in Exynos5433 node names

Use hyphens instead of underscores in the Exynos5433 node names which is
expected by naming convention, multiple dtschema files and pointed out
by dtc W=2 builds.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201105184506.215648-6-krzk@kernel.org

arm64: dts: exynos: Add SPDX license identifiers

Replace GPL v2.0 license statements with SPDX license identifiers.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arm64: dts: exynos: Use - instead of @ for DT OPP entries

Compiling the DT file with W=1, DTC warns like follows:

Warning (unit_address_vs_reg): Node /opp_table0/opp@1000000000 has a
unit name, but no reg property

Fix this by replacing '@' with '-' as the OPP nodes will never have a
"reg" property.

Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
[k.kozlowski: Split patch per ARM and ARM64]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arm64: dts: exynos: Add bus nodes using VDD_INT for Exynos5433

This patch adds the AMBA AXI bus nodes using VDD_INT for Exynos5433 SoC.

Following list specify the detailed correlation between sub-block and clock:
- CLK_ACLK_G2D_{400|266} : Bus clock for G2D (2D graphic engine)
- CLK_ACLK_MSCL_400 : Bus clock for MSCL (Memory to memory Scaler)
- CLK_ACLK_GSCL_333 : Bus clock for GSCL (General Scaler)
- CLK_SCLK_JPEG_MSCL : Bus clock for JPEG
- CLK_ACLK_MFC_400 : Bus clock for MFC (Multi Format Codec)
- CLK_ACLK_HEVC_400 : Bus clock for HEVC (High Efficient Video Codec)
- CLK_ACLK_BUS0_400 : NoC's (Network On Chip) bus clock for PERIC/PERIS/FSYS/MSCL
- CLK_ACLK_BUS1_400 : NoC's bus clock for MFC/HEVC/G3D
- CLK_ACLK_BUS2_400 : NoC's bus clock for GSCL/DISP/G2D/CAM0/CAM1/ISP

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>