[PATCH 4/4] ARM: dts: imx: e60k02: add second uart
Andreas Kemnade
andreas at kemnade.info
Tue Jan 12 18:15:49 EST 2021
There is another uart next to the console uart used by vendor uboot and
kernel, enable it and document its location.
Signed-off-by: Andreas Kemnade <andreas at kemnade.info>
---
arch/arm/boot/dts/e60k02.dtsi | 6 ++++++
arch/arm/boot/dts/imx6sl-tolino-shine3.dts | 13 ++++++++++++-
arch/arm/boot/dts/imx6sll-kobo-clarahd.dts | 13 ++++++++++++-
3 files changed, 30 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
index 3af1ab4458ef..cfb239d5186a 100644
--- a/arch/arm/boot/dts/e60k02.dtsi
+++ b/arch/arm/boot/dts/e60k02.dtsi
@@ -278,6 +278,12 @@
};
&uart1 {
+ /* J4, through-hole */
+ status = "okay";
+};
+
+&uart4 {
+ /* TP198, next to J4, SMD pads */
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
index 62d2ebda04ff..e3f1e8d79528 100644
--- a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
+++ b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
@@ -94,7 +94,6 @@
MX6SL_PAD_KEY_ROW7__GPIO4_IO07 0x79
MX6SL_PAD_ECSPI2_MOSI__GPIO4_IO13 0x79
MX6SL_PAD_KEY_COL5__GPIO4_IO02 0x79
- MX6SL_PAD_KEY_ROW6__GPIO4_IO05 0x79
>;
};
@@ -160,6 +159,13 @@
>;
};
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX6SL_PAD_KEY_ROW6__UART4_TX_DATA 0x1b0b1
+ MX6SL_PAD_KEY_COL6__UART4_RX_DATA 0x1b0b1
+ >;
+ };
+
pinctrl_usbotg1: usbotg1grp {
fsl,pins = <
MX6SL_PAD_EPDC_PWRCOM__USB_OTG1_ID 0x17059
@@ -300,6 +306,11 @@
pinctrl-0 = <&pinctrl_uart1>;
};
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+};
+
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc2>;
diff --git a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
index 7214d1c98249..90b32f5eb529 100644
--- a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
+++ b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
@@ -104,7 +104,6 @@
MX6SLL_PAD_KEY_ROW7__GPIO4_IO07 0x79
MX6SLL_PAD_ECSPI2_MOSI__GPIO4_IO13 0x79
MX6SLL_PAD_KEY_COL5__GPIO4_IO02 0x79
- MX6SLL_PAD_KEY_ROW6__GPIO4_IO05 0x79
>;
};
@@ -170,6 +169,13 @@
>;
};
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX6SLL_PAD_KEY_ROW6__UART4_DCE_TX 0x1b0b1
+ MX6SLL_PAD_KEY_COL6__UART4_DCE_RX 0x1b0b1
+ >;
+ };
+
pinctrl_usbotg1: usbotg1grp {
fsl,pins = <
MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
@@ -302,6 +308,11 @@
pinctrl-0 = <&pinctrl_uart1>;
};
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+};
+
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
pinctrl-0 = <&pinctrl_usdhc2>;
--
2.20.1
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