uart0 configuration code has been in SOM. However, it is possible to
use all (or none) of 6 uart's of AM335x processor present on ChiliSOM.
This fix moves declaration of uart0 from ChiliSOM to ChiliBoard, because
use of uart is strictly board-specific.
Signed-off-by: Marcin Niestroj <m.niestroj@xxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/am335x-chiliboard.dts | 14 ++++++++++++++
arch/arm/boot/dts/am335x-chilisom.dtsi | 14 --------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-chiliboard.dts b/arch/arm/boot/dts/am335x-chiliboard.dts
index 15d47ab..4aae702 100644
--- a/arch/arm/boot/dts/am335x-chiliboard.dts
+++ b/arch/arm/boot/dts/am335x-chiliboard.dts
@@ -35,6 +35,13 @@
};
&am33xx_pinmux {
+ uart0_pins: pinmux_uart0_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
+ AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
+ >;
+ };
+
usb1_drvvbus: usb1_drvvbus {
pinctrl-single,pins = <
AM33XX_IOPAD(0xa34, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* usb1_drvvbus.usb1_drvvbus */
@@ -61,6 +68,13 @@
};
};
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+
+ status = "okay";
+};
+
&ldo4_reg {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
diff --git a/arch/arm/boot/dts/am335x-chilisom.dtsi b/arch/arm/boot/dts/am335x-chilisom.dtsi
index 95461a2..986f96c 100644
--- a/arch/arm/boot/dts/am335x-chilisom.dtsi
+++ b/arch/arm/boot/dts/am335x-chilisom.dtsi
@@ -35,13 +35,6 @@
>;
};
- uart0_pins: pinmux_uart0_pins {
- pinctrl-single,pins = <
- AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
- AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
- >;
- };
-
cpsw_default: cpsw_default {
pinctrl-single,pins = <
/* Slave 1 */
@@ -109,13 +102,6 @@
};
};
-&uart0 {
- pinctrl-names = "default";
- pinctrl-0 = <&uart0_pins>;
-
- status = "okay";
-};
-
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
--
2.8.0
--
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