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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt new file mode 100644 index 000000000..3ee9263ad --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt @@ -0,0 +1,32 @@ +* Fujitsu SDHCI controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci_f_sdh30 driver. + +Required properties: +- compatible: "fujitsu,mb86s70-sdhci-3.0" +- clocks: Must contain an entry for each entry in clock-names. It is a + list of phandles and clock-specifier pairs. + See ../clocks/clock-bindings.txt for details. +- clock-names: Should contain the following two entries: + "iface" - clock used for sdhci interface + "core" - core clock for sdhci controller + +Optional properties: +- vqmmc-supply: phandle to the regulator device tree node, mentioned + as the VCCQ/VDD_IO supply in the eMMC/SD specs. +- fujitsu,cmd-dat-delay-select: boolean property indicating that this host + requires the CMD_DAT_DELAY control to be enabled. + +Example: + + sdhci1: mmc@36600000 { + compatible = "fujitsu,mb86s70-sdhci-3.0"; + reg = <0 0x36600000 0x1000>; + interrupts = <0 172 0x4>, + <0 173 0x4>; + bus-width = <4>; + vqmmc-supply = <&vccq_sdhci1>; + clocks = <&clock 2 2 0>, <&clock 2 3 0>; + clock-names = "iface", "core"; + }; |