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/linux/Documentation/devicetree/bindings/mmc/
H A Darm,pl18x.yaml149 st,use-ckin:
151 description: ST Micro-specific property, use CKIN pin from an external
165 st,ckin-gpios:
168 The GPIO matching the CKIN pin.
171 st,cmd-gpios: [ "st,use-ckin" ]
172 st,ck-gpios: [ "st,use-ckin" ]
173 st,ckin-gpios: [ "st,use-ckin" ]
/linux/arch/arm/boot/dts/st/
H A Dstm32mp15xx-dhcom-som.dtsi487 st,use-ckin;
490 st,ckin-gpios = <&gpioe 4 0>;
H A Dstm32h743i-eval.dts141 st,use-ckin;
H A Dstm32mp15xx-dhcor-testbench.dtsi130 st,use-ckin;
H A Dstm32mp157a-stinger96.dtsi270 st,use-ckin;
H A Dstm32mp157c-ed1.dts358 st,use-ckin;
H A Dstm32mp15xx-dhcor-avenger96.dtsi401 st,use-ckin;
H A Dstm32f746.dtsi70 clk_i2s_ckin: clk-i2s-ckin {
H A Dstm32f429.dtsi75 clk_i2s_ckin: i2s-ckin {
/linux/drivers/mmc/host/
H A Dmmci.c2120 * Assume the level translator is present if st,use-ckin is set. in mmci_probe_level_translator()
2133 ckin_gpio = gpiod_get(dev, "st,ckin", GPIOD_IN); in mmci_probe_level_translator()
2139 /* Sample CKIN */ in mmci_probe_level_translator()
2145 /* Sample CKIN */ in mmci_probe_level_translator()
2152 /* Level translator is present if CK signal is propagated to CKIN */ in mmci_probe_level_translator()
2156 "Level translator inoperable, CK signal not detected on CKIN, disabling.\n"); in mmci_probe_level_translator()
2193 if (of_property_read_bool(np, "st,use-ckin")) in mmci_of_parse()