Re: [PATCH] arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM

From: Nishanth Menon
Date: Tue Mar 09 2021 - 09:55:19 EST


On 20:18-20210309, Vignesh Raghavendra wrote:
>
>
> 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/


Can you drop this dependency and rebase on top of my -next branch or
linux-next ? I am not able to apply the patch directly and would like to
avoid hand modifying the patch.

> >
> > 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>;
> >

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D