linux-kernel - [PATCH v4 3/3] arm64: dts: ti: k3-am69-sk: Add phase tags marking

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Message-ID: <20230811151644.3216621-4-a-nandan@ti.com>
Date:   Fri, 11 Aug 2023 20:46:44 +0530
From:   Apurva Nandan <a-nandan@...com>
To:     Apurva Nandan <a-nandan@...com>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Udit Kumar <u-kumar1@...com>, Hari Nagalla <hnagalla@...com>,
        Dasnavis Sabiya <sabiya.d@...tralsolutions.com>
Subject: [PATCH v4 3/3] arm64: dts: ti: k3-am69-sk: Add phase tags marking

bootph-all as phase tag was added to dt-schema
(dtschema/schemas/bootph.yaml) to cover U-Boot challenges with DT.
That's why add it also to Linux to be aligned with bootloader requirement.

wkup_uart0, wkup_i2c0, mcu_uart0, main_uart8, main_sdhci0 and main_sdhci1
are required for bootloader operation on TI K3 AM69-SK EVM. These IPs
along with pinmuxes need to be marked for all bootloader phases, hence add
bootph-all to these nodes in kernel dts.

Signed-off-by: Apurva Nandan <a-nandan@...com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index d282c2c633c1..2302d55c3fe7 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -110,7 +110,9 @@ vdd_sd_dv: regulator-tlv71033 {
 };
 
 &main_pmx0 {
+	bootph-all;
 	main_uart8_pins_default: main-uart8-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */
 			J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */
@@ -125,6 +127,7 @@ J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */
 	};
 
 	main_mmc1_pins_default: main-mmc1-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */
 			J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */
@@ -164,7 +167,9 @@ J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
 };
 
 &wkup_pmx2 {
+	bootph-all;
 	wkup_uart0_pins_default: wkup-uart0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */
 			J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */
@@ -174,6 +179,7 @@ J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */
 	};
 
 	wkup_i2c0_pins_default: wkup-i2c0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
 			J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
@@ -181,6 +187,7 @@ J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
 	};
 
 	mcu_uart0_pins_default: mcu-uart0-default-pins {
+		bootph-all;
 		pinctrl-single,pins = <
 			J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */
 			J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */
@@ -242,6 +249,7 @@ J784S4_WKUP_IOPAD(0x0, PIN_INPUT, 7) /* (M33) WKUP_GPIO0_49 */
 };
 
 &wkup_uart0 {
+	bootph-all;
 	/* Firmware usage */
 	status = "reserved";
 	pinctrl-names = "default";
@@ -249,6 +257,7 @@ &wkup_uart0 {
 };
 
 &wkup_i2c0 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&wkup_i2c0_pins_default>;
@@ -268,6 +277,7 @@ &wkup_gpio0 {
 };
 
 &mcu_uart0 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_uart0_pins_default>;
@@ -281,6 +291,7 @@ &mcu_i2c0 {
 };
 
 &main_uart8 {
+	bootph-all;
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_uart8_pins_default>;
@@ -307,6 +318,7 @@ exp1: gpio@21 {
 };
 
 &main_sdhci0 {
+	bootph-all;
 	/* eMMC */
 	status = "okay";
 	non-removable;
@@ -315,6 +327,7 @@ &main_sdhci0 {
 };
 
 &main_sdhci1 {
+	bootph-all;
 	/* SD card */
 	status = "okay";
 	pinctrl-0 = <&main_mmc1_pins_default>;
-- 
2.34.1