Both AM64 EVM and SK have a 512Mb S28HS512T Octal SPI NOR flash. Add DT node for the same.
Signed-off-by: Vignesh Raghavendra <vigne...@ti.com> Reviewed-by: Pratyush Yadav <p.ya...@ti.com> --- Boot logs: https://pastebin.ubuntu.com/p/VsMmyWk5SX/ https://pastebin.ubuntu.com/p/KFcMwSGxr5/ Resend: Rebase onto latest -next There is a warning related to dtbs_check which is because spi-cadence-quadspi.txt is not converted to YAML. v1: lore.kernel.org/r/20210309130514.11740-2-vigne...@ti.com 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 6331fd426157..9522f104d979 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -216,6 +216,22 @@ main_usb0_pins_default: main-usb0-pins-default { AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ >; }; + + 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 { @@ -382,3 +398,23 @@ &tscadc0 { /* ADC is reserved for R5 usage */ status = "reserved"; }; + +&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 8f9b1078b7b5..3a5bee4b0b0c 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -132,6 +132,22 @@ AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */ AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ >; }; + + 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 { @@ -248,3 +264,23 @@ cpsw3g_phy1: ethernet-phy@1 { &tscadc0 { status = "disabled"; }; + +&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>; + }; +}; -- 2.31.0
