Hi, this patch-set provides SDHI driver support for eMMC HS400. Based on mmc-v4.17-2 Dependencies for applying these patches: * none Dependencies to test eMMC HS400: * [PATCH] clk: renesas: rcar-gen3: Fix SD divider setting * [PATCH v2] arm64: dts: salvator-common: Enable HS400 of SDHI2 To assist testing and review this patch and the above mentioned dependencies, which are necessary and sufficient to enable HS400 on H3 / Salvator-X, M3-W 1.0 / Salvator-X and H3 ES2.0 Salvator-XS are available at: https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git topic/hs400-v4 Changes since v3: * As a follow-up to discussion with Ulf and Wolfram I have proposed two new HS400 tuning host operations. These are provided, and explained, in "mmc: core: more fine-grained hooks for HS400 tuning". The following driver patches have been updated to use these new operations. And "mmc: tmio: add eMMC HS400 mode support" proposes a minor cleanup to make it a little cleaner to add the proposed new host operations to the MMC core. Changes since v2: * Consolidate disable_scc and reset_hs400_mode into reset_hs400_tuning callback * Reuse renesas_sdhi_reset_hs400_mode() in renesas_sdhi_hw_reset() * Factor out renesas_sdhi_reset_scc() Masaharu Hayakawa (2): mmc: tmio: add eMMC HS400 mode support mmc: renesas_sdhi: add eMMC HS400 mode support Simon Horman (2): mmc: core: select HS400 from HS200 tuning function mmc: core: more fine-grained hooks for HS400 tuning drivers/mmc/core/host.c | 13 +++- drivers/mmc/core/mmc.c | 28 +++++--- drivers/mmc/host/renesas_sdhi_core.c | 136 +++++++++++++++++++++++++++++------ drivers/mmc/host/tmio_mmc.h | 9 +++ drivers/mmc/host/tmio_mmc_core.c | 49 ++++++++++++- include/linux/mmc/host.h | 26 ++++++- 6 files changed, 226 insertions(+), 35 deletions(-) -- 2.11.0
