diff options
| author | Paresh Bhagat <p-bhagat@ti.com> | 2025-08-13 14:33:00 +0530 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2025-09-12 11:52:32 +0530 |
| commit | 1a1066f553df1777ffa5ede050457e41972f34f4 (patch) | |
| tree | 7606cbf02834812b39c95c57c1e12f4c46eb374f | |
| parent | 5cd40f33273bb41b5eec763bcfc7c9b2e9fe2e64 (diff) | |
arm64: dts: ti: k3-am62d2-evm: Add support for OSPI flash
AM62D2 EVM has S28HS512T 64 MiB Octal SPI NOR flash connected to the
OSPI interface. Add support for the flash and describe the partition
information as per bootloader.
Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
Reviewed-by: Santhosh Kumar K <s-k6@ti.com>
Link: https://patch.msgid.link/20250813090300.733295-1-p-bhagat@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts index 6cb2339869b5..83af889e790a 100644 --- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts @@ -25,6 +25,7 @@ rtc0 = &wkup_rtc0; ethernet0 = &cpsw_port1; ethernet1 = &cpsw_port2; + spi0 = &ospi0; }; chosen { @@ -349,6 +350,26 @@ AM62DX_IOPAD(0x0258, PIN_OUTPUT, 0) /* (D19) USB1_DRVVBUS */ >; }; + + ospi0_pins_default: ospi0-default-pins { + pinctrl-single,pins = < + AM62DX_IOPAD(0x0000, PIN_OUTPUT, 0) /* (L22) OSPI0_CLK */ + AM62DX_IOPAD(0x002c, PIN_OUTPUT, 0) /* (H21) OSPI0_CSn0 */ + AM62DX_IOPAD(0x0030, PIN_OUTPUT, 0) /* (G19) OSPI0_CSn1 */ + AM62DX_IOPAD(0x0034, PIN_OUTPUT, 0) /* (K20) OSPI0_CSn2 */ + AM62DX_IOPAD(0x0038, PIN_OUTPUT, 0) /* (G20) OSPI0_CSn3 */ + AM62DX_IOPAD(0x000c, PIN_INPUT, 0) /* (J21) OSPI0_D0 */ + AM62DX_IOPAD(0x0010, PIN_INPUT, 0) /* (J18) OSPI0_D1 */ + AM62DX_IOPAD(0x0014, PIN_INPUT, 0) /* (J19) OSPI0_D2 */ + AM62DX_IOPAD(0x0018, PIN_INPUT, 0) /* (H18) OSPI0_D3 */ + AM62DX_IOPAD(0x001c, PIN_INPUT, 0) /* (K21) OSPI0_D4 */ + AM62DX_IOPAD(0x0020, PIN_INPUT, 0) /* (H19) OSPI0_D5 */ + AM62DX_IOPAD(0x0024, PIN_INPUT, 0) /* (J20) OSPI0_D6 */ + AM62DX_IOPAD(0x0028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */ + AM62DX_IOPAD(0x0008, PIN_INPUT, 0) /* (L21) OSPI0_DQS */ + >; + bootph-all; + }; }; &mcu_gpio0 { @@ -548,6 +569,71 @@ }; }; +&fss { + status = "okay"; +}; + +&ospi0 { + pinctrl-names = "default"; + pinctrl-0 = <&ospi0_pins_default>; + status = "okay"; + + 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>; + }; + + 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>; + bootph-all; + }; + }; + }; +}; + &wkup_r5fss0_core0 { bootph-pre-ram; }; |