[PATCH v1 2/2] arm: dts: mt2701: add nor flash node
From: Guochun Mao <hidden>
Date: 2017-01-13 07:20:58
Also in:
linux-devicetree, linux-mediatek, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add Mediatek nor flash node. Signed-off-by: Guochun Mao <redacted> --- arch/arm/boot/dts/mt2701-evb.dts | 25 +++++++++++++++++++++++++ arch/arm/boot/dts/mt2701.dtsi | 12 ++++++++++++ 2 files changed, 37 insertions(+)
diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts
index 082ca88..85e5ae8 100644
--- a/arch/arm/boot/dts/mt2701-evb.dts
+++ b/arch/arm/boot/dts/mt2701-evb.dts@@ -24,6 +24,31 @@ }; }; +&nor_flash { + pinctrl-names = "default"; + pinctrl-0 = <&nor_pins_default>; + status = "okay"; + flash at 0 { + compatible = "jedec,spi-nor"; + reg = <0>; + }; +}; + +&pio { + nor_pins_default: nor { + pins1 { + pinmux = <MT2701_PIN_240_EXT_XCS__FUNC_EXT_XCS>, + <MT2701_PIN_241_EXT_SCK__FUNC_EXT_SCK>, + <MT2701_PIN_239_EXT_SDIO0__FUNC_EXT_SDIO0>, + <MT2701_PIN_238_EXT_SDIO1__FUNC_EXT_SDIO1>, + <MT2701_PIN_237_EXT_SDIO2__FUNC_EXT_SDIO2>, + <MT2701_PIN_236_EXT_SDIO3__FUNC_EXT_SDIO3>; + drive-strength = <MTK_DRIVE_4mA>; + bias-pull-up; + }; + }; +}; + &uart0 { status = "okay"; };
diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
index bdf8954..1eefce4 100644
--- a/arch/arm/boot/dts/mt2701.dtsi
+++ b/arch/arm/boot/dts/mt2701.dtsi@@ -227,6 +227,18 @@ status = "disabled"; }; + nor_flash: spi at 11014000 { + compatible = "mediatek,mt2701-nor", + "mediatek,mt8173-nor"; + reg = <0 0x11014000 0 0xe0>; + clocks = <&pericfg CLK_PERI_FLASH>, + <&topckgen CLK_TOP_FLASH_SEL>; + clock-names = "spi", "sf"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + mmsys: syscon at 14000000 { compatible = "mediatek,mt2701-mmsys", "syscon"; reg = <0 0x14000000 0 0x1000>;
--
1.7.9.5