On 19/02/24 13:29, Sinthu Raja wrote: > From: Sinthu Raja <sinthu.raja@xxxxxx> > > AM68 SK has an OSPI NOR flash on its SOM connected to OSPI0 instance. > Enable support for the same. Also, describe the OSPI flash partition > information through the device tree, according to the offsets in the > bootloader. > > Signed-off-by: Sinthu Raja <sinthu.raja@xxxxxx> > --- > > Changes in V2: > ============= > 1. Address review comments > a. remove pin E20, which is not connected. > > V1: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20240206092334.30307-1-sinthu.raja@xxxxxx/ > > arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 78 ++++++++++++++++++++++ > 1 file changed, 78 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > index 0f4a5da0ebc4..afaf702cfc9d 100644 > --- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi > @@ -130,6 +130,24 @@ rtos_ipc_memory_region: ipc-memories@a8000000 { > }; > }; > > +&wkup_pmx0 { > + mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins-default { pinmux nodes should end with -pins ^^^^^^ Please run make dtbs_check and fix the issues pointed out > + pinctrl-single,pins = < > + J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (D19) MCU_OSPI0_CLK */ > + J721S2_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F15) MCU_OSPI0_CSn0 */ > + J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (C19) MCU_OSPI0_D0 */ > + J721S2_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (F16) MCU_OSPI0_D1 */ > + J721S2_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (G15) MCU_OSPI0_D2 */ > + J721S2_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (F18) MCU_OSPI0_D3 */ > + J721S2_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (E19) MCU_OSPI0_D4 */ > + J721S2_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (G19) MCU_OSPI0_D5 */ > + J721S2_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (F19) MCU_OSPI0_D6 */ > + J721S2_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (F20) MCU_OSPI0_D7 */ > + J721S2_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (E18) MCU_OSPI0_DQS */ > + >; > + }; > +}; > + > &wkup_pmx2 { > wkup_i2c0_pins_default: wkup-i2c0-default-pins { > pinctrl-single,pins = < > @@ -152,6 +170,66 @@ eeprom@51 { > }; > }; > > +&ospi0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mcu_fss0_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>; > + > + partitions { > + compatible = "fixed-partitions"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + partition@0 { > + label = "ospi.tiboot3"; > + reg = <0x0 0x80000>; Should this be 1MB similar to comment at [0] [0] lore.kernel.org/r/0ca01a1b-8956-40dd-8286-77276e021633@xxxxxx > + }; > + > + partition@80000 { > + label = "ospi.tispl"; > + reg = <0x80000 0x200000>; > + }; > + > + partition@280000 { > + label = "ospi.u-boot"; > + reg = <0x280000 0x400000>; > + }; > + > + partition@680000 { > + label = "ospi.env"; > + reg = <0x680000 0x40000>; > + }; > + > + partition@6c0000 { > + label = "ospi.env.backup"; > + reg = <0x6c0000 0x40000>; > + }; > + > + partition@800000 { > + label = "ospi.rootfs"; > + reg = <0x800000 0x37c0000>; > + }; > + > + partition@3fc0000 { > + label = "ospi.phypattern"; > + reg = <0x3fc0000 0x40000>; > + }; > + }; > + }; > +}; > + > &mailbox0_cluster0 { > status = "okay"; > interrupts = <436>; -- Regards Vignesh
