[PATCH v5 6/8] ARM: dts: at91: sam9x75_curiosity: add tweaks for sam9x75 curiosity board

[Eugen Hristev]

On 3/27/25 09:06, Manikandan Muralidharan wrote:
> Since the SoC and board DT are already available in dts/upstream,
> add the difference from upstream DTS to at91-sam9x75_curiosity-u-boot.dtsi
> 
> Signed-off-by: Manikandan Muralidharan <manikandan.m at microchip.com>
> ---
>  .../dts/at91-sam9x75_curiosity-u-boot.dtsi    | 105 ++++++++++++++++++
>  1 file changed, 105 insertions(+)
>  create mode 100644 arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> 
> diff --git a/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi b/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> new file mode 100644
> index 00000000000..e25e3734eb1
> --- /dev/null
> +++ b/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> @@ -0,0 +1,105 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * at91-sam9x75_curiosity-u-boot.dtsi - Device Tree file for SAM9X75
> + * CURIOSITY board.
> + *
> + * Copyright (C) 2025 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Manikandan Muralidharan <manikandan.m at microchip.com>
> + */
> +
> +/ {
> +	cpus {
> +		cpu at 0 {
> +			clocks = <&pmc PMC_TYPE_CORE 25>, <&pmc PMC_TYPE_CORE 17>, <&main_xtal>;
> +			clock-names = "cpu", "master", "xtal";
> +		};
> +	};
> +
> +	clocks {
> +		slow_rc_osc: slow_rc_osc {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <18500>;
> +		};
> +
> +		main_rc: main_rc {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <12000000>;
> +		};

What is the purpose of main_rc ?
If you reworked the pmc driver and now it's no longer required, please
remove it.

> +	};
> +
> +	ahb {
> +		bootph-all;
> +
> +		apb {
> +			bootph-all;
> +
> +			pinctrl {
> +				bootph-all;
> +			};
> +		};
> +	};
> +
> +	chosen {
> +		bootph-all;
> +	};
> +};
> +
> +&clk32k {
> +	bootph-all;
> +	clocks = <&slow_rc_osc>, <&slow_xtal>;
> +};
> +
> +&dbgu {
> +	bootph-all;
> +};
> +
> +&gmac {
> +	compatible = "microchip,sam9x7-gem", "cdns,sama7g5-gem";
> +};
> +
> +&main_rc {
> +	bootph-all;
> +};
> +
> +&main_xtal {
> +	bootph-all;
> +};
> +
> +&pinctrl_dbgu_default {
> +	bootph-all;
> +};
> +
> +&pinctrl_sdmmc0_default {
> +	bootph-all;
> +};
> +
> +&pioA {
> +	bootph-all;
> +};
> +
> +&pioB {
> +	bootph-all;
> +};
> +
> +&pit64b0 {
> +	bootph-all;
> +};
> +
> +&pmc {
> +	bootph-all;
> +};
> +
> +&sdmmc0 {
> +	bootph-all;
> +};
> +
> +&slow_xtal {
> +	bootph-all;
> +};
> +
> +&slow_rc_osc {
> +	bootph-all;
> +};