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| author | Aswath Govindraju <a-govindraju@ti.com> | 2023-03-31 12:00:26 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-06-14 13:42:19 +0300 |
| commit | bbabba4ece74c51b98e7c8dbd8fa4725d0ae9baf (patch) | |
| tree | d72f5a622b3a1b7f2ecd962a74fd8d718738222a /arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | |
| parent | 7743a9d7517a6a1f3b21d32db3bc1d00d6b16983 (diff) | |
| download | linux-bbabba4ece74c51b98e7c8dbd8fa4725d0ae9baf.tar.xz | |
arm64: dts: ti: k3-j721s2: Add support for OSPI Flashes
J721S2 has an OSPI NOR flash on its SOM connected the OSPI0 instance and a
QSPI NOR flash on the common processor board connected to the OSPI1
instance. Add support for the same
Reviewed-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230331090028.8373-7-r-gunasekaran@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts index f81a40bbdac0..9066d8bc34be 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts @@ -231,6 +231,20 @@ J721S2_WKUP_IOPAD(0x170, PIN_INPUT, 0) /* (N27) MCU_ADC1_AIN7 */ >; }; + + mcu_fss0_ospi1_pins_default: mcu-fss0-ospi1-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x040, PIN_OUTPUT, 0) /* (A19) MCU_OSPI1_CLK */ + J721S2_WKUP_IOPAD(0x05c, PIN_OUTPUT, 0) /* (D20) MCU_OSPI1_CSn0 */ + J721S2_WKUP_IOPAD(0x060, PIN_OUTPUT, 0) /* (C21) MCU_OSPI1_CSn1 */ + J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (D21) MCU_OSPI1_D0 */ + J721S2_WKUP_IOPAD(0x050, PIN_INPUT, 0) /* (G20) MCU_OSPI1_D1 */ + J721S2_WKUP_IOPAD(0x054, PIN_INPUT, 0) /* (C20) MCU_OSPI1_D2 */ + J721S2_WKUP_IOPAD(0x058, PIN_INPUT, 0) /* (A20) MCU_OSPI1_D3 */ + J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (B19) MCU_OSPI1_DQS */ + J721S2_WKUP_IOPAD(0x044, PIN_INPUT, 0) /* (B20) MCU_OSPI1_LBCLKO */ + >; + }; }; &main_gpio2 { @@ -367,6 +381,25 @@ maximum-speed = "high-speed"; }; +&ospi1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_fss0_ospi1_pins_default>; + + flash@0{ + compatible = "jedec,spi-nor"; + reg = <0x0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <40000000>; + cdns,tshsl-ns = <60>; + cdns,tsd2d-ns = <60>; + cdns,tchsh-ns = <60>; + cdns,tslch-ns = <60>; + cdns,read-delay = <2>; + }; +}; + &mcu_mcan0 { status = "okay"; pinctrl-names = "default"; |