[PATCH RESEND v8 0/5] fix the meson NFC clock
Neil Armstrong
narmstrong at baylibre.com
Mon Sep 5 05:37:05 PDT 2022
Hi,
On 05/09/2022 09:50, Liang Yang wrote:
> EMMC and NAND have the same clock control register named 'SD_EMMC_CLOCK'
> which is defined in EMMC port internally. bit0~5 of 'SD_EMMC_CLOCK' is
> the divider and bit6~7 is the mux for fix pll and xtal. At the beginning,
> a common MMC and NAND sub-clock was discussed and planed to be implemented
> as NFC clock provider, but now this series of patches of a common MMC and
> NAND sub-clock are never being accepted and the current binding was never
> valid. the reasons are:
> 1. EMMC and NAND, which are mutually exclusive anyway
> 2. coupling the EMMC and NAND.
> 3. it seems that a common MMC and NAND sub-clock is over engineered.
> and let us see the link for more information:
> https://lore.kernel.org/all/20220121074508.42168-5-liang.yang@amlogic.com
> so The meson nfc can't work now, let us rework the clock.
>
> Changes since v7 [8]
> - use COMMON_CLK && (ARCH_MESON || COMPILE_TEST) instead of
> ARCH_MESON || COMPILE_TEST || COMMON_CLK.
> - collect the review and ack
>
> Changes since v6 [7]
> - use COMMON_CLK instead of !HAVE_LEGACY_CLK
>
> Changes since v5 [6]
> - add change log for patch 3/5
> - add patch 5/5 to fix the reporting error of test robot
>
> Changes since v4 [5]
> - split the dt binding patch into two patches, one for fixing,
> clock, the other for coverting to yaml
> - split the nfc driver patch into two patches, one for fixing
> clock, the other for refining the get nfc resource.
>
> Changes since v3 [4]
> - use devm_platform_ioremap_resource_byname
> - dt_binding_check for mtd/amlogic,meson-nand.yaml
>
> Changes since v2 [3]
> - use fw_name from dts, instead the wrong way using __clk_get_name
> - reg resource size change to 0x800
> - use reg-names
>
> Changes since v1 [2]
> - use clk_parent_data instead of parent_names
> - define a reg resource instead of sd_emmc_c_clkc
>
> [1] https://lore.kernel.org/r/20220106033130.37623-1-liang.yang@amlogic.com
> https://lore.kernel.org/r/20220106032504.23310-1-liang.yang@amlogic.com
> [2] https://lore.kernel.org/all/20220217063346.21691-1-liang.yang@amlogic.com
> [3] https://lore.kernel.org/all/20220318124121.26117-1-liang.yang@amlogic.com
> [4] https://lore.kernel.org/all/20220402074921.13316-1-liang.yang@amlogic.com/
> [5] https://lore.kernel.org/all/20220513123404.48513-1-liang.yang@amlogic.com/
> [6] https://lore.kernel.org/all/20220607064731.13367-1-liang.yang@amlogic.com/
> [7] https://lore.kernel.org/all/20220624131257.29906-1-liang.yang@amlogic.com/
>
> Liang Yang (5):
> dt-bindings: nand: meson: fix meson nfc clock
> mtd: rawnand: meson: fix the clock
> mtd: rawnand: meson: refine resource getting in probe
> dt-bindings: nand: meson: convert txt to yaml
> mtd: rawnand: meson: not support legacy clock
>
> .../bindings/mtd/amlogic,meson-nand.txt | 60 -------------
> .../bindings/mtd/amlogic,meson-nand.yaml | 88 +++++++++++++++++++
> drivers/mtd/nand/raw/Kconfig | 2 +-
> drivers/mtd/nand/raw/meson_nand.c | 86 +++++++++---------
> 4 files changed, 131 insertions(+), 105 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
> create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
>
It seems you sent only patch 4
Neil
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