On Tuesday 24 February 2015 18:01:27 Chanwoo Choi wrote: > On 02/24/2015 05:33 PM, Arnd Bergmann wrote: > > On Tuesday 24 February 2015 14:16:45 Chanwoo Choi wrote: > >> This patch adds new Exynos5433 dtsi to support 64-bit Exynos5433 SoC based on > >> Octal core CPUs (quad Cortex-A57 and quad Cortex-A53). And Exynos5433 supports > >> PSCI (Power State Coordination Interface) v0.1. > >> > >> This patch includes following dt node to support Exynos5433 SoC: > >> 1. Octa core for big.LITTLE architecture > >> - Cortex-A53 LITTLE Quad-core > >> - Cortex-A57 big Quad-core > >> - Support PSCI v0.1 > > > > Should we try to come up with a way to better share parts of this with the > > exynos5 dtsi files you already have in arm32? I suspect that there is a > > significant overlap. > > Currently, 32-bit Exynos5 SoC (which is included in arch/arm/boot/dts) > didn't support the Cortex-A53/A57 and PSCI. > > The 32-bit Exynos5 SoC support the Coretex-A7 or A15 and big.LITTLE Exynos5 SoC > use the MCPM (Multi-Cluster PM) driver for secondary cpu on/off instead of PSCI. > Yes, I understand that. What I meant is sharing the nodes that are identical between e.g. all exynos54xx by using a common .dtsi file that can be included by 5420, 5433 and 5440. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
