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Subject[PATCH V4 5/5] arm64: dts: ti: am65/j721e/j7200: Mark firmware used uart as "reserved"
Date
Follow the device tree standards that states to set the
status="reserved" if an device is operational, but used by a non-linux
firmware in the system.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vignesh Raghavendra <vigneshr@ti.com>
---
v4: no change

v3: https://lore.kernel.org/linux-arm-kernel/20201112183538.6805-6-nm@ti.com/
V2: https://lore.kernel.org/linux-arm-kernel/20201112014929.25227-6-nm@ti.com/
V1: didnot exist

arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 2 +-
arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 4 ++--
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index c8c9aa98b561..fe3043943906 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -242,7 +242,7 @@ AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */

&wkup_uart0 {
/* Wakeup UART is used by System firmware */
- status = "disabled";
+ status = "reserved";
};

&main_uart0 {
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 7d2ff1c3b50f..96fa26365248 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -79,7 +79,7 @@ J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */

&wkup_uart0 {
/* Wakeup UART is used by System firmware */
- status = "disabled";
+ status = "reserved";
};

&main_uart0 {
@@ -89,7 +89,7 @@ &main_uart0 {

&main_uart2 {
/* MAIN UART 2 is used by R5F firmware */
- status = "disabled";
+ status = "reserved";
};

&main_uart3 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 9416528caa8a..5754892f8501 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -221,7 +221,7 @@ J721E_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* MCU_MDIO0_MDIO */

&wkup_uart0 {
/* Wakeup UART is used by System firmware */
- status = "disabled";
+ status = "reserved";
};

&main_uart0 {
--
2.29.2
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