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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/usdhi6rol0.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/usdhi6rol0.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt b/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt new file mode 100644 index 000000000..6d1b7971d --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt @@ -0,0 +1,39 @@ +* Renesas usdhi6rol0 SD/SDIO host controller + +Required properties: + +- compatible: must be + "renesas,usdhi6rol0" +- interrupts: 3 interrupts, named "card detect", "data" and "SDIO" must be + specified +- clocks: a clock binding for the IMCLK input + +Optional properties: + +- vmmc-supply: a phandle of a regulator, supplying Vcc to the card +- vqmmc-supply: a phandle of a regulator, supplying VccQ to the card +- pinctrl-names: Can contain a "default" entry and a "state_uhs" + entry. The state_uhs entry is used together with the default + entry when the board requires distinct settings for UHS speeds. + +- pinctrl-N: One property for each name listed in pinctrl-names, see + ../pinctrl/pinctrl-bindings.txt. + +Additionally any standard mmc bindings from mmc.txt can be used. + +Example: + +sd0: sd@ab000000 { + compatible = "renesas,usdhi6rol0"; + reg = <0xab000000 0x200>; + interrupts = <0 23 0x4 + 0 24 0x4 + 0 25 0x4>; + interrupt-names = "card detect", "data", "SDIO"; + bus-width = <4>; + max-frequency = <50000000>; + cap-power-off-card; + clocks = <&imclk>; + vmmc-supply = <&vcc_sd0>; + vqmmc-supply = <&vccq_sd0>; +}; |