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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2026-03-06 00:54:04 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2026-03-12 13:55:21 +0300 |
| commit | 68532ef010e202cdc0a5a734b6d828ddcbc6a7e9 (patch) | |
| tree | 8d1c0cb94275be6348a307016f949a3b671463b1 | |
| parent | 6c9940cbf7f3e7f9dc8f0ba3de74640ca9e66feb (diff) | |
| download | linux-68532ef010e202cdc0a5a734b6d828ddcbc6a7e9.tar.xz | |
ARM: dts: renesas: r9a06g032-rzn1d400-db: Add QSPI node including NOR flash
Enable the QSPI controller to access the connected SPI NOR flash. The
NOR datasheet may suggest faster tuning parameters but those did not
work on my board.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260305220023.28257-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts index 4a72aa7663f2..b720c001e776 100644 --- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts +++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts @@ -300,6 +300,84 @@ pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>, <RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>; }; + + pins_qspi0: pins-qspi0 { + pinmux = <RZN1_PINMUX(74, RZN1_FUNC_QSPI)>, + <RZN1_PINMUX(75, RZN1_FUNC_QSPI)>, + <RZN1_PINMUX(76, RZN1_FUNC_QSPI)>, + <RZN1_PINMUX(77, RZN1_FUNC_QSPI)>, + <RZN1_PINMUX(78, RZN1_FUNC_QSPI)>, + <RZN1_PINMUX(79, RZN1_FUNC_QSPI)>; + bias-disable; + }; +}; + +&qspi0 { + pinctrl-0 = <&pins_qspi0>; + pinctrl-names = "default"; + status = "okay"; + bootph-all; + + flash@0 { + reg = <0>; + compatible = "jedec,spi-nor"; + spi-max-frequency = <62500000>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; + cdns,read-delay = <1>; + cdns,tshsl-ns = <200>; + cdns,tsd2d-ns = <255>; + cdns,tchsh-ns = <20>; + cdns,tslch-ns = <20>; + bootph-all; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + /* 64KiB */ + label = "spl"; + reg = <0x0000000 0x00010000>; + }; + partition@10000 { + /* 64KiB */ + label = "pkgt"; + reg = <0x0010000 0x00010000>; + }; + partition@20000 { + /* 512KiB */ + label = "u-boot"; + reg = <0x0020000 0x00080000>; + }; + partition@a0000 { + /* 64KiB */ + label = "env"; + reg = <0x00a0000 0x00010000>; + }; + partition@b0000 { + /* 128KiB */ + label = "dtb"; + reg = <0x00b0000 0x00020000>; + }; + partition@d0000 { + /* 1MiB */ + label = "cm3"; + reg = <0x00d0000 0x00100000>; + }; + partition@1d0000 { + /* 6MiB */ + label = "kernel"; + reg = <0x01d0000 0x00600000>; + }; + partition@7d0000 { + /* Remaining */ + label = "data"; + reg = <0x07d0000 0x1830000>; + }; + }; + }; }; &rtc0 { |