On 09/03/21 06:35PM, Vignesh Raghavendra wrote: > Both AM64 EVM and SK have a 512Mb S28HS512T Octal SPI NOR flash. > Add DT node for the same. > > Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx> Reviewed-by: Pratyush Yadav <p.yadav@xxxxxx> > --- > > Bootlog: > > SK: https://pastebin.ubuntu.com/p/gvxg7cFrXH/ > EVM: https://pastebin.ubuntu.com/p/jb39GqkB78/ > > arch/arm64/boot/dts/ti/k3-am642-evm.dts | 36 +++++++++++++++++++++++++ > arch/arm64/boot/dts/ti/k3-am642-sk.dts | 36 +++++++++++++++++++++++++ > 2 files changed, 72 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > index 1f1787750fef..7dd8e94b108d 100644 > --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > @@ -133,6 +133,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ > AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ > >; > }; > + > + ospi0_pins_default: ospi0-pins-default { > + pinctrl-single,pins = < > + AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */ > + AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */ > + AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */ > + AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */ > + AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */ > + AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */ > + AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */ > + AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */ > + AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */ > + AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */ > + AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */ > + >; > + }; > }; > > &main_uart0 { > @@ -244,3 +260,23 @@ &sdhci1 { > ti,driver-strength-ohm = <50>; > disable-wp; > }; > + > +&ospi0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ospi0_pins_default>; > + > + flash@0{ > + compatible = "jedec,spi-nor"; > + reg = <0x0>; > + spi-tx-bus-width = <8>; > + spi-rx-bus-width = <8>; > + spi-max-frequency = <25000000>; > + cdns,tshsl-ns = <60>; > + cdns,tsd2d-ns = <60>; > + cdns,tchsh-ns = <60>; > + cdns,tslch-ns = <60>; > + cdns,read-delay = <4>; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > +}; > diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts > index aa6ca4c49153..fc27470fc083 100644 > --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts > @@ -90,6 +90,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ > AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ > >; > }; > + > + ospi0_pins_default: ospi0-pins-default { > + pinctrl-single,pins = < > + AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */ > + AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */ > + AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */ > + AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */ > + AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */ > + AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */ > + AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */ > + AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */ > + AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */ > + AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */ > + AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */ > + >; > + }; > }; > > &mcu_uart0 { > @@ -171,3 +187,23 @@ &sdhci1 { > ti,driver-strength-ohm = <50>; > disable-wp; > }; > + > +&ospi0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ospi0_pins_default>; > + > + flash@0{ > + compatible = "jedec,spi-nor"; > + reg = <0x0>; > + spi-tx-bus-width = <8>; > + spi-rx-bus-width = <8>; > + spi-max-frequency = <25000000>; > + cdns,tshsl-ns = <60>; > + cdns,tsd2d-ns = <60>; > + cdns,tchsh-ns = <60>; > + cdns,tslch-ns = <60>; > + cdns,read-delay = <4>; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > +}; > -- > 2.30.1 > -- Regards, Pratyush Yadav Texas Instruments Inc.
