This patch adds MT8173 spi bus controllers into device tree. Signed-off-by: Leilk Liu <leilk.liu@xxxxxxxxxxxx> --- Change in this patch: 1. fix spi clock flow usage error. --- arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 13 +++++++++++++ 2 files changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts index 4be66ca..811cb76 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -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"; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index d18ee42..fcb4860 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -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: i2c3@11010000 { compatible = "mediatek,mt8173-i2c"; reg = <0 0x11010000 0 0x70>, -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html