From: Nishanth Menon <nm@ti.com>
To: Roger Quadros <rogerq@ti.com>, Keerthy <j-keerthy@ti.com>,
Jyri Sarha <jsarha@ti.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Tony Lindgren <tony@atomide.com>, Tero Kristo <t-kristo@ti.com>
Cc: <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>
Subject: [PATCH V4 5/5] arm64: dts: ti: am65/j721e/j7200: Mark firmware used uart as "reserved"
Date: Fri, 13 Nov 2020 15:18:26 -0600 [thread overview]
Message-ID: <20201113211826.13087-6-nm@ti.com> (raw)
In-Reply-To: <20201113211826.13087-1-nm@ti.com>
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
next prev parent reply other threads:[~2020-11-13 21:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 21:18 [PATCH V4 0/5] arm64: dts: ti: Cleanup mix of "okay" and "disabled" Nishanth Menon
2020-11-13 21:18 ` [PATCH V4 1/5] arm64: dts: ti: k3-am65*: Cleanup disabled nodes at SoC dtsi level Nishanth Menon
2020-11-13 21:18 ` [PATCH V4 2/5] arm64: dts: ti: k3-j721e*: " Nishanth Menon
2020-11-13 21:18 ` [PATCH V4 3/5] arm64: dts: ti: am65/j721e: Fix up un-necessary status set to "okay" for crypto Nishanth Menon
2020-11-14 1:40 ` J, KEERTHY
2020-11-13 21:18 ` [PATCH V4 4/5] arm64: dts: ti: k3-am654-base-board: Fix up un-necessary status set to "okay" for USB Nishanth Menon
2020-11-13 21:18 ` Nishanth Menon [this message]
2020-11-17 12:52 ` [PATCH V4 0/5] arm64: dts: ti: Cleanup mix of "okay" and "disabled" Nishanth Menon
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