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title: "SDHI; refactor SDHn to be a seperate clock"
team: IO
key: 008d3362-4055-11eb-9620-cb34de96bb07
status: Done
assignee: Wolfram

bsp41x:
 - 7a967a750a3409554d72d9bc3842722e86703125 # clk: Add support parent clock in set_phase
 - 5e0b119a284593bbe5966da6049e2b5272830954 # clk: rcar-gen3: Add set_phase to set SDnCKCR in HS400
 - a91a23d1d738335d5a92af0e2a18b1ddbcf3d602 # mmc: renesas_sdhi: Fix SDnCKCR setting in 4TAP SoC

bsp51x:
 - 7013e474a179b299f9a2e0e28f87a6de8820d78b # clk: Add support parent clock in set_phase
 - a605f70375dcab767226f340c570e178f5b53456 # clk: renesas: rcar-gen3: Add set_phase to set SDnCKCR in HS400
 - bbf1b3923dd954f3c904a1aefd983dae76faf7be # mmc: renesas_sdhi: Fix SDnCKCR setting in 4TAP SoC

upstream:
 - torvalds: a31cf51bf6b4bf78ccb1c9fb40ea6231cf3df433 # clk: renesas: rcar-gen3: Add dummy SDnH clock
 - torvalds: 1abd04480866cead7b4129bd03246315b4575334 # clk: renesas: rcar-gen3: Add SDnH clock
 - torvalds: 63494b6f98f26f45e0e7929654dd67d6715cc495 # clk: renesas: r8a779a0: Add SDnH clock to V3U
 - torvalds: 627151b4966fe68029cd14aa5fd81f5f0c67fa26 # mmc: renesas_sdhi: Flag non-standard SDnH handling for V3M
 - torvalds: bb6d3fa98a418b071c5f735e75558604f5f4af66 # clk: renesas: rcar-gen3: Switch to new SD clock handling
 - torvalds: d3a52bc41da0e4f7abd2df866a52b1e27c25aef5 # clk: renesas: rcar-gen3: Remove outdated SD_SKIP_FIRST
 - torvalds: 079e83b958a3c3d9c84e24b28478d57adc1cd7fe # mmc: renesas_sdhi: Use dev_err_probe when getting clock fails
 - torvalds: e5f7e81ee430acb6d1fa9a6323fe645bd52e0b9c # mmc: renesas_sdhi: Parse DT for SDnH
 - torvalds: eca6ab6e362e3ae22b6c2769c4b6911bd0fb8ab1 # arm64: dts: reneas: rcar-gen3: Add SDnH clocks
 - torvalds: 52e844ee9a6f460e6160736a43ef13317a91ca74 # arm64: dts: reneas: rzg2: Add SDnH clocks
 - torvalds: e051025efac3929ca7e3e2f2c8860d3447366ebc # dt-bindings: mmc: renesas,sdhi: Add optional SDnH clock

comments:
 - "check mail thread 'SDnCKCR setting for HS200 #297087'"
 - "BSP will use a workaround, but we should model SDHn as a seperate clock"
 - "This allows us to handle proper frequency settings from the SDHI driver"
 - "Wolfram has a sketch with two clocks using generic divider and gate combined"
 - "rfc v1: https://lore.kernel.org/r/20210928200804.50922-1-wsa+renesas@sang-engineering.com"
 - "rfc v2 in progress; working out details for the DT binding scheme"
 - "rfc v2: https://lore.kernel.org/r/20211110191610.5664-1-wsa+renesas@sang-engineering.com"
 - "merged"