linux-kernel - Re: [PATCH v5 05/12] arm64: dts: ti: k3-j721e: Add bootph-* properties

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Message-ID: <91673e66-9666-48b0-b76c-8286e6d43a40@ti.com>
Date: Wed, 23 Oct 2024 16:54:30 +0530
From: Neha Malcom Francis <n-francis@...com>
To: Manorit Chawdhry <m-chawdhry@...com>, Nishanth Menon <nm@...com>,
        Vignesh
 Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Aniket Limaye <a-limaye@...com>,
        Udit Kumar
	<u-kumar1@...com>, Beleswar Padhi <b-padhi@...com>,
        Siddharth Vadapalli
	<s-vadapalli@...com>, Andrew Davis <afd@...com>
Subject: Re: [PATCH v5 05/12] arm64: dts: ti: k3-j721e: Add bootph-*
 properties

Hi Manorit

On 23/10/24 12:27, Manorit Chawdhry wrote:
> Adds bootph-* properties to the leaf nodes to enable bootloaders to
> utilise them.
> 
> Following adds bootph-* to
> - System controller nodes that allow controlling power domain, clocks, etc.
> - secure_proxy_sa3/secure_proxy_main mboxes for communication with
>    System Controller
> - mcu_ringacc/mcu_udmap for DMA to SMS
> - chipid for detection soc information.
> - mcu_timer0 for bootloader tick-timer.
> - hbmc_mux for enabling Hyperflash support
> - ESM nodes for enabling ESM support.
> - wkup_vtm for enabling Adaptive voltage scaling(AVS) support
> 
> Signed-off-by: Manorit Chawdhry <m-chawdhry@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-j721e-main.dtsi       |  2 ++
>   arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 10 ++++++++++
>   2 files changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> index 0da785be80ff..af3d730154ac 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> @@ -226,6 +226,7 @@ secure_proxy_main: mailbox@...00000 {
>   			      <0x00 0x32800000 0x00 0x100000>;
>   			interrupt-names = "rx_011";
>   			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> +			bootph-all;
>   		};
>   
>   		smmu0: iommu@...00000 {
> @@ -2853,6 +2854,7 @@ main_spi7: spi@...0000 {
>   	main_esm: esm@...000 {
>   		compatible = "ti,j721e-esm";
>   		reg = <0x0 0x700000 0x0 0x1000>;
> +		bootph-pre-ram;
>   		ti,esm-pins = <344>, <345>;
>   	};
>   };
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> index 3731ffb4a5c9..cf5fb1160ada 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> @@ -21,16 +21,19 @@ dmsc: system-controller@...83000 {
>   		k3_pds: power-controller {
>   			compatible = "ti,sci-pm-domain";
>   			#power-domain-cells = <2>;
> +			bootph-all;
>   		};
>   
>   		k3_clks: clock-controller {
>   			compatible = "ti,k2g-sci-clk";
>   			#clock-cells = <2>;
> +			bootph-all;
>   		};
>   
>   		k3_reset: reset-controller {
>   			compatible = "ti,sci-reset";
>   			#reset-cells = <2>;
> +			bootph-all;
>   		};
>   	};
>   
> @@ -61,6 +64,7 @@ wkup_conf: bus@...00000 {
>   		chipid: chipid@14 {
>   			compatible = "ti,am654-chipid";
>   			reg = <0x14 0x4>;
> +			bootph-all;
>   		};
>   	};
>   
> @@ -112,6 +116,7 @@ mcu_timer0: timer@...00000 {
>   		assigned-clocks = <&k3_clks 35 1>;
>   		assigned-clock-parents = <&k3_clks 35 2>;
>   		power-domains = <&k3_pds 35 TI_SCI_PD_EXCLUSIVE>;
> +		bootph-pre-ram;
>   		ti,timer-pwm;
>   		/* Non-MPU Firmware usage */
>   		status = "reserved";
> @@ -362,6 +367,7 @@ hbmc_mux: mux-controller@...00004 {
>   			reg = <0x00 0x47000004 0x00 0x4>;
>   			#mux-control-cells = <1>;
>   			mux-reg-masks = <0x0 0x2>; /* HBMC select */
> +			bootph-all;
>   		};
>   
>   		hbmc: hyperbus@...34000 {
> @@ -470,6 +476,7 @@ mcu_ringacc: ringacc@...00000 {
>   			      <0x0 0x2a500000 0x0 0x40000>,
>   			      <0x0 0x28440000 0x0 0x40000>;
>   			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target", "cfg";
> +			bootph-all;
>   			ti,num-rings = <286>;
>   			ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
>   			ti,sci = <&dmsc>;
> @@ -489,6 +496,7 @@ mcu_udmap: dma-controller@...c0000 {
>   				    "tchan", "rchan", "rflow";
>   			msi-parent = <&main_udmass_inta>;
>   			#dma-cells = <1>;
> +			bootph-all;
>   
>   			ti,sci = <&dmsc>;
>   			ti,sci-dev-id = <236>;
> @@ -509,6 +517,7 @@ secure_proxy_mcu: mailbox@...80000 {
>   		reg = <0x0 0x2a480000 0x0 0x80000>,
>   		      <0x0 0x2a380000 0x0 0x80000>,
>   		      <0x0 0x2a400000 0x0 0x80000>;
> +		bootph-pre-ram;
>   		/*
>   		 * Marked Disabled:
>   		 * Node is incomplete as it is meant for bootloaders and
> @@ -687,6 +696,7 @@ wkup_vtm0: temperature-sensor@...40000 {
>   		      <0x00 0x43000300 0x00 0x10>;
>   		power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
>   		#thermal-sensor-cells = <1>;
> +		bootph-pre-ram;
>   	};
>   
>   	mcu_esm: esm@...00000 {
> 

Reviewed-by: Neha Malcom Francis <n-francis@...com>

-- 
Thanking You
Neha Malcom Francis