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Wed, 11 Nov 2020 19:49:39 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0AC1ndbi114800; Wed, 11 Nov 2020 19:49:39 -0600 From: Nishanth Menon To: Roger Quadros , Keerthy , Jyri Sarha , Tomi Valkeinen , Peter Ujfalusi , Lokesh Vutla , Rob Herring , Tony Lindgren , Tero Kristo Subject: [PATCH V2 5/5] arm64: dts: ti: am65/j721e/j7200: Mark firmware used uart as "reserved" Date: Wed, 11 Nov 2020 19:49:29 -0600 Message-ID: <20201112014929.25227-6-nm@ti.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201112014929.25227-1-nm@ti.com> References: <20201112014929.25227-1-nm@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201111_204946_751094_4B7CE6A8 X-CRM114-Status: GOOD ( 15.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Tony Lindgren Acked-by: Vignesh Raghavendra --- - New patch introduced with V2 based on feedback on v1 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 744efcbb4f7f..b5dba13556f8 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -211,7 +211,7 @@ 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 ef03e7636b66..1d08434229c7 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 {