summaryrefslogtreecommitdiffstats
path: root/dts/src/arm/sun9i-a80.dtsi
diff options
context:
space:
mode:
Diffstat (limited to 'dts/src/arm/sun9i-a80.dtsi')
-rw-r--r--dts/src/arm/sun9i-a80.dtsi65
1 files changed, 65 insertions, 0 deletions
diff --git a/dts/src/arm/sun9i-a80.dtsi b/dts/src/arm/sun9i-a80.dtsi
index d9532fb..6fb292e 100644
--- a/dts/src/arm/sun9i-a80.dtsi
+++ b/dts/src/arm/sun9i-a80.dtsi
@@ -56,6 +56,10 @@
#size-cells = <2>;
interrupt-parent = <&gic>;
+ aliases {
+ ethernet0 = &gmac;
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -183,6 +187,37 @@
clock-output-names = "osc32k";
};
+ /*
+ * The following two are dummy clocks, placeholders
+ * used in the gmac_tx clock. The gmac driver will
+ * choose one parent depending on the PHY interface
+ * mode, using clk_set_rate auto-reparenting.
+ *
+ * The actual TX clock rate is not controlled by the
+ * gmac_tx clock.
+ */
+ mii_phy_tx_clk: mii_phy_tx_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ clock-output-names = "mii_phy_tx";
+ };
+
+ gmac_int_tx_clk: gmac_int_tx_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <125000000>;
+ clock-output-names = "gmac_int_tx";
+ };
+
+ gmac_tx_clk: clk@800030 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun7i-a20-gmac-clk";
+ reg = <0x00800030 0x4>;
+ clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>;
+ clock-output-names = "gmac_tx";
+ };
+
cpus_clk: clk@8001410 {
compatible = "allwinner,sun9i-a80-cpus-clk";
reg = <0x08001410 0x4>;
@@ -283,6 +318,23 @@
};
};
+ gmac: ethernet@830000 {
+ compatible = "allwinner,sun7i-a20-gmac";
+ reg = <0x00830000 0x1054>;
+ interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ clocks = <&ccu CLK_BUS_GMAC>, <&gmac_tx_clk>;
+ clock-names = "stmmaceth", "allwinner_gmac_tx";
+ resets = <&ccu RST_BUS_GMAC>;
+ reset-names = "stmmaceth";
+ snps,pbl = <2>;
+ snps,fixed-burst;
+ snps,force_sf_dma_mode;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
ehci0: usb@a00000 {
compatible = "allwinner,sun9i-a80-ehci", "generic-ehci";
reg = <0x00a00000 0x100>;
@@ -948,6 +1000,19 @@
#size-cells = <0>;
#gpio-cells = <3>;
+ gmac_rgmii_pins: gmac-rgmii-pins {
+ allwinner,pins = "PA0", "PA1", "PA2", "PA3",
+ "PA4", "PA5", "PA7", "PA8",
+ "PA9", "PA10", "PA12", "PA13",
+ "PA15", "PA16", "PA17";
+ allwinner,function = "gmac";
+ /*
+ * data lines in RGMII mode use DDR mode
+ * and need a higher signal drive strength
+ */
+ drive-strength = <40>;
+ };
+
i2c3_pins: i2c3-pins {
pins = "PG10", "PG11";
function = "i2c3";