diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2022-03-07 22:24:33 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-04-04 12:06:55 +0300 |
| commit | 018d7b93477fbb04ba7b4bc4c355793d644e45da (patch) | |
| tree | 971770b98e013eb50c795e806404f264fc717b2f /arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi | |
| parent | 4eb6a6bb8ef31491c217167ecce2c0a26fd4f34e (diff) | |
| download | linux-018d7b93477fbb04ba7b4bc4c355793d644e45da.tar.xz | |
arm64: dts: renesas: rzg2lc-smarc-som: Enable serial NOR flash
Enable mt25qu512a flash connected to QSPI0.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220307192436.13237-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi index 88a7938017aa..80c9a1146cb7 100644 --- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi @@ -110,6 +110,18 @@ line-name = "gpio_sd0_pwr_en"; }; + qspi0_pins: qspi0 { + qspi0-data { + pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3"; + power-source = <1800>; + }; + + qspi0-ctrl { + pins = "QSPI0_SPCLK", "QSPI0_SSL", "QSPI_RESET#"; + power-source = <1800>; + }; + }; + /* * SD0 device selection is XOR between GPIO_SD0_DEV_SEL and SW1[2] * The below switch logic can be used to select the device between @@ -175,6 +187,34 @@ }; }; +&sbc { + pinctrl-0 = <&qspi0_pins>; + pinctrl-names = "default"; + status = "okay"; + + flash@0 { + compatible = "micron,mt25qu512a", "jedec,spi-nor"; + reg = <0>; + m25p,fast-read; + spi-max-frequency = <50000000>; + spi-rx-bus-width = <4>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + boot@0 { + reg = <0x00000000 0x2000000>; + read-only; + }; + user@2000000 { + reg = <0x2000000 0x2000000>; + }; + }; + }; +}; + #if (!SW_SD0_DEV_SEL) &sdhi0 { pinctrl-0 = <&sdhi0_pins>; |