On 3/1/21 11:35 AM, Aswath Govindraju wrote: > Add pinmux details and device tree node for the EEPROM attached to SPI0 > module in main domain. > > Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx> > --- Reviewed-by: Vignesh Raghavendra <vigneshr@xxxxxx> Regards Vignesh > > This patch depends on, > https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@xxxxxx/ > > arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > index bfd849a29655..bc5bd7f896ab 100644 > --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > @@ -139,6 +139,15 @@ > AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ > >; > }; > + > + main_spi0_pins_default: main-spi0-pins-default { > + pinctrl-single,pins = < > + AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */ > + AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */ > + AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */ > + AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */ > + >; > + }; > }; > > &main_uart0 { > @@ -245,6 +254,19 @@ > pinctrl-0 = <&main_usb0_pins_default>; > }; > > +&main_spi0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&main_spi0_pins_default>; > + ti,pindir-d0-out-d1-in = <1>; > + eeprom@0 { > + compatible = "microchip,93lc46b"; > + reg = <0>; > + spi-max-frequency = <1000000>; > + spi-cs-high; > + data-size = <16>; > + }; > +}; > + > &sdhci0 { > /* emmc */ > bus-width = <8>; >
