AM654 SoC has two Cadence OSPI controller instances under Flash subsystem (FSS). Add DT nodes for the same. Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx> --- v2: Update OSPI Device IDs and OSPI trigger address arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 38 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am65.dtsi | 11 +++++- .../arm64/boot/dts/ti/k3-am654-base-board.dts | 36 ++++++++++++++++++ 3 files changed, 83 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 7bdf5342f58f..b9d886c4b837 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -95,4 +95,42 @@ adc { compatible = "ti,am654-adc", "ti,am3359-adc"; }; }; + + fss: fss@47000000 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + ospi0: spi@47040000 { + compatible = "ti,am654-ospi", "cdns,qspi-nor"; + reg = <0x0 0x47040000 0x0 0x100>, + <0x5 0x00000000 0x1 0x0000000>; + interrupts = <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>; + cdns,fifo-depth = <256>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x0>; + clocks = <&k3_clks 248 0>; + assigned-clocks = <&k3_clks 248 0>; + assigned-clock-parents = <&k3_clks 248 2>; + assigned-clock-rates = <166666666>; + power-domains = <&k3_pds 248 TI_SCI_PD_EXCLUSIVE>; + #address-cells = <1>; + #size-cells = <0>; + }; + + ospi1: spi@47050000 { + compatible = "ti,am654-ospi", "cdns,qspi-nor"; + reg = <0x0 0x47050000 0x0 0x100>, + <0x7 0x00000000 0x1 0x00000000>; + interrupts = <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>; + cdns,fifo-depth = <256>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x0>; + clocks = <&k3_clks 249 6>; + power-domains = <&k3_pds 249 TI_SCI_PD_EXCLUSIVE>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi index 6dfccd5d56c8..d38720bc2551 100644 --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi @@ -80,7 +80,11 @@ cbass_main: interconnect@100000 { <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, - <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>; + <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, + <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>, + <0x00 0x70000000 0x00 0x70000000 0x00 0x200000>, + <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>, + <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>; cbass_mcu: interconnect@28380000 { compatible = "simple-bus"; @@ -94,7 +98,10 @@ cbass_mcu: interconnect@28380000 { <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, /* WKUP */ <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, /* MMRs, remaining NAVSS */ <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, /* CPSW */ - <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>; /* OSPI space 1 */ + <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, /* OSPI space 1 */ + <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>, /* FSS OSPI0 data region 1 */ + <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>, /* FSS OSPI0 data region 3*/ + <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>; /* FSS OSPI1 data region 3*/ cbass_wakeup: interconnect@42040000 { compatible = "simple-bus"; diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 8a85b482ad31..94bec7aa9baf 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -69,6 +69,22 @@ AM65X_WKUP_IOPAD(0x0030, PIN_INPUT, 7) /* (R5) WKUP_GPIO0_24 */ AM65X_WKUP_IOPAD(0x003c, PIN_INPUT, 7) /* (P2) WKUP_GPIO0_27 */ >; }; + + mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins_default { + pinctrl-single,pins = < + AM65X_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* (V1) MCU_OSPI0_CLK */ + AM65X_WKUP_IOPAD(0x0008, PIN_INPUT, 0) /* (U2) MCU_OSPI0_DQS */ + AM65X_WKUP_IOPAD(0x000c, PIN_INPUT, 0) /* (U4) MCU_OSPI0_D0 */ + AM65X_WKUP_IOPAD(0x0010, PIN_INPUT, 0) /* (U5) MCU_OSPI0_D1 */ + AM65X_WKUP_IOPAD(0x0014, PIN_INPUT, 0) /* (T2) MCU_OSPI0_D2 */ + AM65X_WKUP_IOPAD(0x0018, PIN_INPUT, 0) /* (T3) MCU_OSPI0_D3 */ + AM65X_WKUP_IOPAD(0x001c, PIN_INPUT, 0) /* (T4) MCU_OSPI0_D4 */ + AM65X_WKUP_IOPAD(0x0020, PIN_INPUT, 0) /* (T5) MCU_OSPI0_D5 */ + AM65X_WKUP_IOPAD(0x0024, PIN_INPUT, 0) /* (R2) MCU_OSPI0_D6 */ + AM65X_WKUP_IOPAD(0x0028, PIN_INPUT, 0) /* (R3) MCU_OSPI0_D7 */ + AM65X_WKUP_IOPAD(0x002c, PIN_OUTPUT, 0) /* (R4) MCU_OSPI0_CSn0 */ + >; + }; }; &main_pmx0 { @@ -339,3 +355,23 @@ &mailbox0_cluster10 { &mailbox0_cluster11 { status = "disabled"; }; + +&ospi0 { + pinctrl-names = "default"; + pinctrl-0 = <&mcu_fss0_ospi0_pins_default>; + + flash@0{ + compatible = "jedec,spi-nor"; + reg = <0x0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <8>; + spi-max-frequency = <40000000>; + cdns,tshsl-ns = <60>; + cdns,tsd2d-ns = <60>; + cdns,tchsh-ns = <60>; + cdns,tslch-ns = <60>; + cdns,read-delay = <0>; + #address-cells = <1>; + #size-cells = <1>; + }; +}; -- 2.24.0