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| author |  Vignesh Raghavendra <vigneshr@ti.com>
| 2021-03-18 17:07:57 +0530 |
|---|---|---|
| committer |  Nishanth Menon <nm@ti.com>
| 2021-03-18 08:52:02 -0500 |
| commit | e4e4e89482eafab0774ac0f93dc998eea84e626c (patch) | |
| tree | 10cd3d26f7597ce3bfee2f36580d79a909d3f13f /arch/arm64/boot/dts/ti/k3-am642-evm.dts | |
| parent | arm64: dts: ti: k3-am64-main: Add OSPI node (diff) | |
| download | linux-e4e4e89482eafab0774ac0f93dc998eea84e626c.tar.gz linux-e4e4e89482eafab0774ac0f93dc998eea84e626c.tar.bz2 linux-e4e4e89482eafab0774ac0f93dc998eea84e626c.zip | |
arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node
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@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20210318113757.21012-2-vigneshr@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am642-evm.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-evm.dts | 36 |
1 files changed, 36 insertions, 0 deletions
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 @@ 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 @@ /* 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>; + }; +}; |