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board: MIMXRT1062-FMURT6: Add pinmux support for uart ports

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used for gps and telemtry.

This patch configures the correct pinmux settings for

lpuart2, lpuart3, lpuart5 ports used for gps and telemetry modules.

It also adds software pull up for the UART console port lpuart7.

Signed-off-by: Sumit Batra <sumit.batra@nxp.com>
Co-authored-by: Benjamin Perseghetti <bperseghetti@rudislabs.com>
Co-authored-by: Iain Galloway <iaintravelgalloway@gmail.com>
This commit is contained in:
Sumit Batra 2023-05-19 12:34:23 +05:30 • committed by Mahesh Mahadevan
commit 95c2dfce94
2 changed files with 91 additions and 8 deletions
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72
boards/arm/mimxrt1062_fmurt6/mimxrt1062_fmurt6-pinctrl.dtsi
View file

@ -313,6 +313,8 @@
pinmux = <&iomuxc_gpio_emc_32_lpuart7_rx>,
<&iomuxc_gpio_emc_31_lpuart7_tx>;
drive-strength = "r0-6";
bias-pull-up;
bias-pull-up-value = "100k";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
@ -330,10 +332,37 @@
};
};
pinmux_lpuart2: pinmux_lpuart2 {
group0 {
pinmux = <&iomuxc_gpio_ad_b1_02_lpuart2_tx>,
<&iomuxc_gpio_ad_b1_03_lpuart2_rx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
};
pinmux_lpuart2_sleep: pinmux_lpuart2_sleep {
group0 {
pinmux = <&iomuxc_gpio_ad_b1_03_lpuart2_rx>;
drive-strength = "r0";
bias-pull-up;
bias-pull-up-value = "100k";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
group1 {
pinmux = <&iomuxc_gpio_ad_b1_02_lpuart2_tx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
};
pinmux_lpuart3: pinmux_lpuart3 {
group0 {
pinmux = <&iomuxc_gpio_ad_b1_06_lpuart3_tx>,
<&iomuxc_gpio_ad_b1_07_lpuart3_rx>;
pinmux = <&iomuxc_gpio_b0_08_lpuart3_tx>,
<&iomuxc_gpio_b0_09_lpuart3_rx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
@ -343,10 +372,10 @@
/* Flow control for lpuart3 */
pinmux_lpuart3_flow_control: pinmux_lpuart3_flow_control {
group0 {
pinmux = <&iomuxc_gpio_ad_b1_06_lpuart3_tx>,
<&iomuxc_gpio_ad_b1_07_lpuart3_rx>,
<&iomuxc_gpio_ad_b1_04_lpuart3_cts_b>,
<&iomuxc_gpio_ad_b1_05_lpuart3_rts_b>;
pinmux = <&iomuxc_gpio_b0_08_lpuart3_tx>,
<&iomuxc_gpio_b0_09_lpuart3_rx>,
<&iomuxc_gpio_sd_b1_04_gpio3_io04>,
<&iomuxc_gpio_emc_24_gpio4_io24>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
@ -355,7 +384,7 @@
pinmux_lpuart3_sleep: pinmux_lpuart3_sleep {
group0 {
pinmux = <&iomuxc_gpio_ad_b1_06_gpio1_io22>;
pinmux = <&iomuxc_gpio_b0_09_lpuart3_rx>;
drive-strength = "r0";
bias-pull-up;
bias-pull-up-value = "100k";
@ -363,7 +392,34 @@
nxp,speed = "100-mhz";
};
group1 {
pinmux = <&iomuxc_gpio_ad_b1_07_lpuart3_rx>;
pinmux = <&iomuxc_gpio_b0_08_lpuart3_tx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
};
pinmux_lpuart5: pinmux_lpuart5 {
group0 {
pinmux = <&iomuxc_gpio_emc_23_lpuart5_tx>,
<&iomuxc_gpio_b1_13_lpuart5_rx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
};
pinmux_lpuart5_sleep: pinmux_lpuart5_sleep {
group0 {
pinmux = <&iomuxc_gpio_b1_13_lpuart5_rx>;
drive-strength = "r0";
bias-pull-up;
bias-pull-up-value = "100k";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
group1 {
pinmux = <&iomuxc_gpio_emc_23_lpuart5_tx>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";

27
boards/arm/mimxrt1062_fmurt6/mimxrt1062_fmurt6.dts
View file

@ -21,6 +21,9 @@
watchdog0 = &wdog0;
sdhc0 = &usdhc1;
pwm-0 = &flexpwm2_pwm0;
gps1 = &lpuart2;
telem1 = &lpuart3;
telem4-gps2 = &lpuart5;
};
chosen {
@ -284,6 +287,30 @@
pinctrl-names = "default", "sleep";
};
&lpuart2 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&pinmux_lpuart2>;
pinctrl-1 = <&pinmux_lpuart2_sleep>;
pinctrl-names = "default", "sleep";
};
&lpuart3 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&pinmux_lpuart3>;
pinctrl-1 = <&pinmux_lpuart3_sleep>;
pinctrl-names = "default", "sleep";
};
&lpuart5 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&pinmux_lpuart5>;
pinctrl-1 = <&pinmux_lpuart5_sleep>;
pinctrl-names = "default", "sleep";
};
&lpspi1 {
status = "okay";
pinctrl-0 = <&pinmux_lpspi1>;