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arm64: dts: Add spi bus dts 

This patch adds MT8173 spi bus controllers into device tree.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Reviewed-and-Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Leilk Liu 2015-08-31 21:44:19 +08:00 committed by Matthias Brugger
parent 1ee35c05d9
commit b0c936f59c
2 changed files with 31 additions and 0 deletions
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18
arch/arm64/boot/dts/mediatek/mt8173-evb.dts
View File

@ -387,6 +387,24 @@
};
};
&pio {
spi_pins_a: spi0 {
pins_spi {
pinmux = <MT8173_PIN_69_SPI_CK__FUNC_SPI_CK_0_>,
<MT8173_PIN_70_SPI_MI__FUNC_SPI_MI_0_>,
<MT8173_PIN_71_SPI_MO__FUNC_SPI_MO_0_>,
<MT8173_PIN_72_SPI_CS__FUNC_SPI_CS_0_>;
};
};
};
&spi {
pinctrl-names = "default";
pinctrl-0 = <&spi_pins_a>;
mediatek,pad-select = <0>;
status = "okay";
};
&uart0 {
status = "okay";
};

13
arch/arm64/boot/dts/mediatek/mt8173.dtsi
View File

@ -365,6 +365,19 @@
status = "disabled";
};
spi: spi@1100a000 {
compatible = "mediatek,mt8173-spi";
#address-cells = <1>;
#size-cells = <0>;
reg = <0 0x1100a000 0 0x1000>;
interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
<&topckgen CLK_TOP_SPI_SEL>,
<&pericfg CLK_PERI_SPI0>;
clock-names = "parent-clk", "sel-clk", "spi-clk";
status = "disabled";
};
i2c3: i2c@11010000 {
compatible = "mediatek,mt8173-i2c";
reg = <0 0x11010000 0 0x70>,