Re: [PATCH 4/6] ARM64: dts: meson-axg: uart: Add the pinctrl info description

From: Jerome Brunet
Date: Fri Jan 05 2018 - 05:28:51 EST


On Fri, 2018-01-05 at 17:56 +0800, Yixun Lan wrote:
> Describe the pinctrl info for the UART controller which

is

> found
> in the Meson-AXG SoCs.

Yixun,

Could you please review this patch again. Some "strings" used here will
obviously not work. I've picked up a few but I'm pretty sure there are other ...

Thanks

>
> Signed-off-by: Yixun Lan <yixun.lan@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 96 ++++++++++++++++++++++++++++++
> 1 file changed, 96 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> index f6bf01cfff4b..78bb206e2897 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> @@ -303,6 +303,70 @@
> function = "pwm_d";
> };
> };
> +
> + uart_a_pins: uart_a {
> + mux {
> + groups = "uart_tx_a",
> + "uart_rx_a";
> + function = "uart_a";
> + };
> + };
> +
> + uart_a_cts_rts_pins: uart_a_cts_rts {
> + mux {
> + groups = "uart_ctx_a",

uart_ctx_a does not exist in pinctrl

> + "uart_rts_a";
> + function = "uart_a";
> + };
> + };
> +
> + uart_b_x_pins: uart_b_x {
> + mux {
> + groups = "uart_tx_b_x",
> + "uart_rx_b_x";
> + function = "uart_b";
> + };
> + };
> +
> + uart_b_x_cts_rts_pins: uart_b_x_cts_rts {
> + mux {
> + groups = "uart_cts_b_x",
> + "uart_rts_b_x";
> + function = "uart_b";
> + };
> + };
> +
> + uart_b_z_pins: uart_b_z {
> + mux {
> + groups = "uart_tx_b_z",
> + "uart_rx_b_z";
> + function = "uart_b";
> + };
> + };
> +
> + uart_b_z_cts_rts_pins: uart_b_z_cts_rts {
> + mux {
> + groups = "uart_cts_b_z",
> + "uart_rts_b_z";
> + function = "uart_b";
> + };
> + };
> +
> + uart_ao_b_z_pins: uart_ao_b_z {
> + mux {
> + groups = "uart_ao_tx_b_z",
> + "uart_ao_rx_b_z";
> + function = "uart_ao_b_groupz";

"uart_ao_b_groupz" function does not exist in pinctrl

> + };
> + };
> +
> + uart_ao_b_z_cts_rts_pins: uart_ao_b_z_cts_rts {
> + mux {
> + groups = "uart_ao_cts_b_z",
> + "uart_ao_rts_b_z";
> + function = "uart_ao_b_groupz";
> + };
> + };
> };
> };
>
> @@ -346,6 +410,38 @@
> #gpio-cells = <2>;
> gpio-ranges = <&pinctrl_aobus 0 0 15>;
> };
> +
> + uart_ao_a_pins: uart_ao_a {
> + mux {
> + groups = "uart_ao_tx_a",
> + "uart_ao_rx_a";
> + function = "uart_ao_a";
> + };
> + };
> +
> + uart_ao_a_cts_rts_pins: uart_ao_a_cts_rts {
> + mux {
> + groups = "uart_ao_cts_a",
> + "uart_ao_rts_a";
> + function = "uart_ao_a";
> + };
> + };
> +
> + uart_ao_b_pins: uart_ao_b {
> + mux {
> + groups = "uart_ao_tx_b",
> + "uart_ao_rx_b";
> + function = "uart_ao_b";
> + };
> + };
> +
> + uart_ao_b_cts_rts_pins: uart_ao_b_cts_rts {
> + mux {
> + groups = "uart_ao_cts_b",
> + "uart_ao_rts_b";
> + function = "uart_ao_b";
> + };
> + };
> };
>
> pwm_AO_ab: pwm@7000 {