On 24/02/23 4:39 pm, Krzysztof Kozlowski wrote: > On 24/02/2023 11:24, Ravi Gunasekaran wrote: >> From: Aswath Govindraju <a-govindraju@xxxxxx> >> >> Add support for two instance of OSPI in J721S2 SoC. >> >> Reviewed-by: Vaishnav Achath <vaishnav.a@xxxxxx> >> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx> >> Signed-off-by: Matt Ranostay <mranostay@xxxxxx> >> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx> >> --- >> Changes from v10: >> * Documented the reason for disabling the nodes by default. >> * Removed Link tag from commmit message >> [...] >> >> .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 62 +++++++++++++++++++ >> 1 file changed, 62 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi >> index 0af242aa9816..5005a3ebbd34 100644 >> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi >> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi >> @@ -306,4 +306,66 @@ >> ti,cpts-periodic-outputs = <2>; >> }; >> }; >> + >> + fss: bus@47000000 { >> + compatible = "simple-bus"; >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, >> + <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, >> + <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; >> + >> + /* >> + * Disable the node by default in the common include file. >> + * And enable it in the board specific DT file where the >> + * pinmux property is added. > > Why? Bus does not need pinmux. Right. The comment is invalid for the bus node. Will remove it in the next series. > >> + */ >> + status = "disabled"; >> + >> + ospi0: spi@47040000 { >> + compatible = "ti,am654-ospi", "cdns,qspi-nor"; >> + reg = <0x00 0x47040000 0x00 0x100>, >> + <0x05 0x00000000 0x01 0x00000000>; >> + interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>; >> + cdns,fifo-depth = <256>; >> + cdns,fifo-width = <4>; >> + cdns,trigger-address = <0x0>; >> + clocks = <&k3_clks 109 5>; >> + assigned-clocks = <&k3_clks 109 5>; >> + assigned-clock-parents = <&k3_clks 109 7>; >> + assigned-clock-rates = <166666666>; >> + power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + /* >> + * Disable the node by default in the common include >> + * file. And enable it in the board specific DT file >> + * where the pinmux property is added. > > Isn't this comment obvious? It's what we do everywhere on every platform > every SoC? > Noted. Will remove the elaborate comment. >> + */ >> + status = "disabled"; >> + }; >> + >> + ospi1: spi@47050000 { >> + compatible = "ti,am654-ospi", "cdns,qspi-nor"; >> + reg = <0x00 0x47050000 0x00 0x100>, >> + <0x07 0x00000000 0x01 0x00000000>; >> + interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>; >> + cdns,fifo-depth = <256>; >> + cdns,fifo-width = <4>; >> + cdns,trigger-address = <0x0>; >> + clocks = <&k3_clks 110 5>; >> + power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + /* >> + * Disable the node by default in the common include >> + * file. And enable it in the board specific DT file >> + * where the pinmux property is added. >> + */ >> + status = "disabled"; >> + }; >> + > > No need for blank line. Will remove the blank line. > >> + }; >> }; > > Best regards, > Krzysztof > -- Regards, Ravi