[PATCH v2 2/3] arm64: dts: amlogic: t7: Add UART controllers nodes

[Neil Armstrong]

On 4/16/26 10:54, Ronald Claveau wrote:
> Add device tree nodes for UART B through F (serial at 7a000 to
> serial at 82000), completing the UART controller description for the T7
> SoC. Each node includes the peripheral clock.
> 
> While at it, move the uart_a node to its correct position in the
> bus address order (0x78000) to comply with the DT requirement that
> nodes be sorted by their reg address. Complete the
> uart_a node with its peripheral clock (CLKID_SYS_UART_A) and the
> associated clock-names, matching the vendor default clock assignment,
> consistent with the other UART nodes.
> 
> Signed-off-by: Ronald Claveau <linux-kernel-dev at aliel.fr>
> ---
>   arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 61 +++++++++++++++++++++++++----
>   1 file changed, 54 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> index 4a55d9641bc9b..81c26b1e3e7a4 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> @@ -577,13 +577,6 @@ gpio_intc: interrupt-controller at 4080 {
>   					<10 11 12 13 14 15 16 17 18 19 20 21>;
>   			};
>   
> -			uart_a: serial at 78000 {
> -				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> -				reg = <0x0 0x78000 0x0 0x18>;
> -				interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
> -				status = "disabled";
> -			};
> -
>   			gp0: clock-controller at 8080 {
>   				compatible = "amlogic,t7-gp0-pll";
>   				reg = <0x0 0x8080 0x0 0x20>;
> @@ -713,6 +706,60 @@ pwm_ao_cd: pwm at 60000 {
>   				status = "disabled";
>   			};
>   
> +			uart_a: serial at 78000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x78000 0x0 0x18>;
> +				interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_A>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
> +			uart_b: serial at 7a000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x7a000 0x0 0x18>;
> +				interrupts = <GIC_SPI 169 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_B>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
> +			uart_c: serial at 7c000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x7c000 0x0 0x18>;
> +				interrupts = <GIC_SPI 170 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_C>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
> +			uart_d: serial at 7e000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x7e000 0x0 0x18>;
> +				interrupts = <GIC_SPI 171 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_D>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
> +			uart_e: serial at 80000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x80000 0x0 0x18>;
> +				interrupts = <GIC_SPI 172 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_E>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
> +			uart_f: serial at 82000 {
> +				compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart";
> +				reg = <0x0 0x82000 0x0 0x18>;
> +				interrupts = <GIC_SPI 173 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_F>, <&xtal>;
> +				clock-names = "xtal", "pclk", "baud";
> +				status = "disabled";
> +			};
> +
>   			sd_emmc_a: mmc at 88000 {
>   				compatible = "amlogic,t7-mmc", "amlogic,meson-axg-mmc";
>   				reg = <0x0 0x88000 0x0 0x800>;
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

Thanks,
Neil