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-rw-r--r--dts/src/arm/omap4-sdp.dts30
1 files changed, 30 insertions, 0 deletions
diff --git a/dts/src/arm/omap4-sdp.dts b/dts/src/arm/omap4-sdp.dts
index 9dc7ec7..c88817b 100644
--- a/dts/src/arm/omap4-sdp.dts
+++ b/dts/src/arm/omap4-sdp.dts
@@ -26,6 +26,9 @@
};
vdd_eth: fixedregulator-vdd-eth {
+ pinctrl-names = "default";
+ pinctrl-0 = <&enet_enable_gpio>;
+
compatible = "regulator-fixed";
regulator-name = "VDD_ETH";
regulator-min-microvolt = <3300000>;
@@ -352,6 +355,29 @@
OMAP4_IOPAD(0x152, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat3.sdmmc5_dat3 */
>;
};
+
+ /* gpio_48 for ENET_ENABLE */
+ enet_enable_gpio: pinmux_enet_enable_gpio {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x070, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* gpmc_a24.gpio_48 */
+ >;
+ };
+
+ ks8851_pins: pinmux_ks8851_pins {
+ pinctrl-single,pins = <
+ /* ENET_INT */
+ OMAP4_IOPAD(0x054, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_ad10.gpio_34 */
+ /*
+ * Misterious pin which makes the ethernet working
+ * The legacy board file requested this pin on boot
+ * (ETH_KS8851_QUART) and set it to high, similarly to
+ * the ENET_ENABLE pin.
+ * We could use gpio-hog to keep it high, but let's use
+ * it as a reset GPIO for ks8851.
+ */
+ OMAP4_IOPAD(0x13a, PIN_OUTPUT_PULLUP | MUX_MODE3) /* mcspi1_cs1.gpio_138 */
+ >;
+ };
};
&i2c1 {
@@ -452,12 +478,16 @@
pinctrl-0 = <&mcspi1_pins>;
eth@0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ks8851_pins>;
+
compatible = "ks8851";
spi-max-frequency = <24000000>;
reg = <0>;
interrupt-parent = <&gpio2>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>; /* gpio line 34 */
vdd-supply = <&vdd_eth>;
+ reset-gpios = <&gpio5 10 GPIO_ACTIVE_HIGH>;
};
};