This patch adds spi support for MT7986.
Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 35 ++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 28 +++++++++++++++
arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts | 37 ++++++++++++++++++++
3 files changed, 100 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index 5a1a605a7828..eb14e82d74b1 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -26,6 +26,20 @@
};
&pio {
+ spi_flash_pins: spi-flash-pins {
+ mux {
+ function = "spi";
+ groups = "spi0", "spi0_wp_hold";
+ };
+ };
+
+ spic_pins: spic-pins {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+
uart1_pins: uart1-pins {
mux {
function = "uart";
@@ -41,6 +55,27 @@
};
};
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ cs-gpios = <0>, <0>;
+ status = "okay";
+ spi_nand: spi_nand@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ spi-tx-buswidth = <4>;
+ spi-rx-buswidth = <4>;
+ };
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spic_pins>;
+ cs-gpios = <0>, <0>;
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 694acf8f5b70..069d3a9bdac9 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -106,6 +106,34 @@
#clock-cells = <1>;
};
+ spi0: spi@1100a000 {
+ compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0 0x1100a000 0 0x100>;
+ interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&topckgen CLK_TOP_MPLL_D2>,
+ <&topckgen CLK_TOP_SPI_SEL>,
+ <&infracfg CLK_INFRA_SPI0_CK>,
+ <&infracfg CLK_INFRA_SPI0_HCK_CK>;
+ clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk";
+ status = "disabled";
+ };
+
+ spi1: spi@1100b000 {
+ compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0 0x1100b000 0 0x100>;
+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&topckgen CLK_TOP_MPLL_D2>,
+ <&topckgen CLK_TOP_SPIM_MST_SEL>,
+ <&infracfg CLK_INFRA_SPI1_CK>,
+ <&infracfg CLK_INFRA_SPI1_HCK_CK>;
+ clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk";
+ status = "disabled";
+ };
+
topckgen: topckgen@1001b000 {
compatible = "mediatek,mt7986-topckgen", "syscon";
reg = <0 0x1001B000 0 0x1000>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
index d73467ea3641..f159f1ac618b 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
@@ -25,6 +25,43 @@
};
};
+&pio {
+ spi_flash_pins: spi-flash-pins {
+ mux {
+ function = "spi";
+ groups = "spi0", "spi0_wp_hold";
+ };
+ };
+
+ spic_pins: spic-pins {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ cs-gpios = <0>, <0>;
+ status = "okay";
+ spi_nand: spi_nand@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ spi-tx-buswidth = <4>;
+ spi-rx-buswidth = <4>;
+ };
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spic_pins>;
+ cs-gpios = <0>, <0>;
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
--
2.18.0
