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Message-ID: <20240807053113.xy7ghmuttpahzv7n@uda0497581>
Date: Wed, 7 Aug 2024 11:01:13 +0530
From: Manorit Chawdhry <m-chawdhry@...com>
To: Andrew Davis <afd@...com>
CC: 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>,
<linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Neha Malcom Francis <n-francis@...com>,
Aniket Limaye <a-limaye@...com>, Udit Kumar <u-kumar1@...com>,
Beleswar Padhi
<b-padhi@...com>,
Siddharth Vadapalli <s-vadapalli@...com>
Subject: Re: [PATCH v3 1/5] arm64: dts: ti: k3-j721s2*: Add bootph-*
properties
Hi Andrew,
On 09:43-20240806, Andrew Davis wrote:
> On 7/30/24 4:53 AM, Manorit Chawdhry wrote:
> > Adds bootph-* properties to the leaf nodes to enable U-boot to
> > utilise them.
>
> U-Boot? Let's try to pretend like this is a generic property and
> just say "bootloader" :)
>
> Thinking out loud, what happens when we want to re-use these DT
> source files in Zephyr, or some other software, will we keep adding
> these new metadata tags?.. bootph-* and other "domain info" might
> better belong to some higher level device tree source (System
> Device Tree I'd guess, time to add Lopper to kernel? :D)
>
> For now, lgtm,
>
> Reviewed-by: Andrew Davis <afd@...com>
Thanks for reviewing! Would update the commit description.
Regards,
Manorit
> >
> > Signed-off-by: Manorit Chawdhry <m-chawdhry@...com>
> > ---
> > arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | 14 ++++++++++++++
> > arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 2 ++
> > arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 11 +++++++++++
> > arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 2 ++
> > 4 files changed, 29 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> > index c5a0b7cbb14f..6ce14f9e087b 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> > @@ -138,6 +138,7 @@ J721S2_IOPAD(0x044, PIN_OUTPUT, 14) /* (Y26) MCASP0_AXR1.UART8_RTSn */
> > J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26) SPI0_CS1.UART8_RXD */
> > J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27) SPI0_CLK.UART8_TXD */
> > >;
> > + bootph-all;
> > };
> > main_i2c3_pins_default: main-i2c3-default-pins {
> > @@ -165,6 +166,7 @@ J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */
> > J721S2_IOPAD(0x0f0, PIN_INPUT, 0) /* (R22) MMC1_DAT3 */
> > J721S2_IOPAD(0x0e8, PIN_INPUT, 8) /* (AE25) TIMER_IO0.MMC1_SDCD */
> > >;
> > + bootph-all;
> > };
> > vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
> > @@ -177,6 +179,7 @@ main_usbss0_pins_default: main-usbss0-default-pins {
> > pinctrl-single,pins = <
> > J721S2_IOPAD(0x0ec, PIN_OUTPUT, 6) /* (AG25) TIMER_IO1.USB0_DRVVBUS */
> > >;
> > + bootph-all;
> > };
> > main_mcan3_pins_default: main-mcan3-default-pins {
> > @@ -200,6 +203,7 @@ wkup_uart0_pins_default: wkup-uart0-default-pins {
> > J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (D28) WKUP_UART0_RXD */
> > J721S2_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */
> > >;
> > + bootph-all;
> > };
> > mcu_uart0_pins_default: mcu-uart0-default-pins {
> > @@ -209,6 +213,7 @@ J721S2_WKUP_IOPAD(0x094, PIN_OUTPUT, 0) /* (D25) WKUP_GPIO0_15.MCU_UART0_RTSn */
> > J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C24) WKUP_GPIO0_13.MCU_UART0_RXD */
> > J721S2_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (C25) WKUP_GPIO0_12.MCU_UART0_TXD */
> > >;
> > + bootph-all;
> > };
> > mcu_cpsw_pins_default: mcu-cpsw-default-pins {
> > @@ -301,6 +306,7 @@ J721S2_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (A20) MCU_OSPI1_D3 */
> > J721S2_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (B19) MCU_OSPI1_DQS */
> > J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (B20) MCU_OSPI1_LBCLKO */
> > >;
> > + bootph-all;
> > };
> > };
> > @@ -316,12 +322,14 @@ &wkup_uart0 {
> > status = "reserved";
> > pinctrl-names = "default";
> > pinctrl-0 = <&wkup_uart0_pins_default>;
> > + bootph-all;
> > };
> > &mcu_uart0 {
> > status = "okay";
> > pinctrl-names = "default";
> > pinctrl-0 = <&mcu_uart0_pins_default>;
> > + bootph-all;
> > };
> > &main_uart8 {
> > @@ -330,6 +338,7 @@ &main_uart8 {
> > pinctrl-0 = <&main_uart8_pins_default>;
> > /* Shared with TFA on this platform */
> > power-domains = <&k3_pds 357 TI_SCI_PD_SHARED>;
> > + bootph-all;
> > };
> > &main_i2c0 {
> > @@ -385,6 +394,7 @@ &main_sdhci0 {
> > non-removable;
> > ti,driver-strength-ohm = <50>;
> > disable-wp;
> > + bootph-all;
> > };
> > &main_sdhci1 {
> > @@ -395,6 +405,7 @@ &main_sdhci1 {
> > disable-wp;
> > vmmc-supply = <&vdd_mmc1>;
> > vqmmc-supply = <&vdd_sd_dv>;
> > + bootph-all;
> > };
> > &mcu_cpsw {
> > @@ -446,11 +457,13 @@ &usbss0 {
> > pinctrl-names = "default";
> > ti,vbus-divider;
> > ti,usb2-only;
> > + bootph-all;
> > };
> > &usb0 {
> > dr_mode = "otg";
> > maximum-speed = "high-speed";
> > + bootph-all;
> > };
> > &ospi1 {
> > @@ -469,6 +482,7 @@ flash@0 {
> > cdns,tchsh-ns = <60>;
> > cdns,tslch-ns = <60>;
> > cdns,read-delay = <2>;
> > + bootph-all;
> > };
> > };
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > index 9ed6949b40e9..0ea6817de65c 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> > @@ -816,6 +816,7 @@ secure_proxy_main: mailbox@...00000 {
> > <0x00 0x32800000 0x00 0x100000>;
> > interrupt-names = "rx_011";
> > interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> > + bootph-all;
> > };
> > hwspinlock: spinlock@...00000 {
> > @@ -1225,6 +1226,7 @@ usb0: usb@...0000 {
> > interrupt-names = "host", "peripheral", "otg";
> > maximum-speed = "super-speed";
> > dr_mode = "otg";
> > + bootph-all;
> > };
> > };
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> > index 8feb42c89e47..8345313f8d94 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> > @@ -21,16 +21,19 @@ sms: 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;
> > };
> > };
> > @@ -43,6 +46,7 @@ wkup_conf: bus@...00000 {
> > chipid: chipid@14 {
> > compatible = "ti,am654-chipid";
> > reg = <0x14 0x4>;
> > + bootph-all;
> > };
> > };
> > @@ -59,6 +63,7 @@ secure_proxy_sa3: mailbox@...00000 {
> > * firmware on non-MPU processors
> > */
> > status = "disabled";
> > + bootph-pre-ram;
> > };
> > mcu_ram: sram@...00000 {
> > @@ -170,6 +175,7 @@ mcu_timer0: timer@...00000 {
> > ti,timer-pwm;
> > /* Non-MPU Firmware usage */
> > status = "reserved";
> > + bootph-pre-ram;
> > };
> > mcu_timer1: timer@...10000 {
> > @@ -362,6 +368,7 @@ wkup_i2c0: i2c@...20000 {
> > clock-names = "fck";
> > power-domains = <&k3_pds 223 TI_SCI_PD_EXCLUSIVE>;
> > status = "disabled";
> > + bootph-all;
> > };
> > mcu_i2c0: i2c@...00000 {
> > @@ -474,6 +481,7 @@ mcu_ringacc: ringacc@...00000 {
> > ti,sci = <&sms>;
> > ti,sci-dev-id = <272>;
> > msi-parent = <&main_udmass_inta>;
> > + bootph-all;
> > };
> > mcu_udmap: dma-controller@...c0000 {
> > @@ -497,6 +505,7 @@ mcu_udmap: dma-controller@...c0000 {
> > ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
> > <0x0b>; /* RX_HCHAN */
> > ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
> > + bootph-all;
> > };
> > };
> > @@ -513,6 +522,7 @@ secure_proxy_mcu: mailbox@...80000 {
> > * firmware on non-MPU processors
> > */
> > status = "disabled";
> > + bootph-pre-ram;
> > };
> > mcu_cpsw: ethernet@...00000 {
> > @@ -667,6 +677,7 @@ wkup_vtm0: temperature-sensor@...40000 {
> > <0x00 0x42050000 0x0 0x350>;
> > power-domains = <&k3_pds 180 TI_SCI_PD_SHARED>;
> > #thermal-sensor-cells = <1>;
> > + bootph-pre-ram;
> > };
> > mcu_r5fss0: r5fss@...00000 {
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> > index 82aacc01e8fe..dfcc223809e7 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> > @@ -170,6 +170,7 @@ J721S2_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (F20) MCU_OSPI0_D7 */
> > J721S2_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (E18) MCU_OSPI0_DQS */
> > J721S2_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (E20) MCU_OSPI0_LBCLKO */
> > >;
> > + bootph-all;
> > };
> > };
> > @@ -445,6 +446,7 @@ flash@0 {
> > cdns,tchsh-ns = <60>;
> > cdns,tslch-ns = <60>;
> > cdns,read-delay = <4>;
> > + bootph-all;
> > };
> > };
> >
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