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[84.226.167.205]) by smtp.googlemail.com with ESMTPSA id z16sm1072289ejd.102.2021.02.17.06.22.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Feb 2021 06:22:49 -0800 (PST) Date: Wed, 17 Feb 2021 15:22:48 +0100 From: Krzysztof Kozlowski To: Adrien Grassein Subject: Re: [PATCH 4/8] arm64: dts: imx8mm-nitrogen-r2: add uarts Message-ID: <20210217142248.klq36mraspeehiqj@kozik-lap> References: <20210215231943.36910-1-adrien.grassein@gmail.com> <20210215231943.36910-5-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210215231943.36910-5-adrien.grassein@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210217_092252_754234_39A3CEBE X-CRM114-Status: GOOD ( 18.03 ) 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: devicetree@vger.kernel.org, will@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, catalin.marinas@arm.com, festevam@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Feb 16, 2021 at 12:19:39AM +0100, Adrien Grassein wrote: > Add description and pinmuxing for uarts. > > Signed-off-by: Adrien Grassein > --- > .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 53 ++++++++++++++++++- > 1 file changed, 52 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts > index 22acde0f3ba8..3c5b692f6ad1 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts > @@ -206,6 +206,15 @@ rtc@68 { > }; > }; > > +/* BT */ > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart1>; > + assigned-clocks = <&clk IMX8MM_CLK_UART1>; I see you have it also for uart2 - what is the purpose of it? What does the "assigned-clocks" property alone do? > + uart-has-rtscts; > + status = "okay"; > +}; > + > /* console */ > &uart2 { > pinctrl-names = "default"; > @@ -215,6 +224,23 @@ &uart2 { > status = "okay"; > }; > > +/* J15 */ > +&uart3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart3>; > + assigned-clocks = <&clk IMX8MM_CLK_UART3>; > + uart-has-rtscts; > + status = "okay"; > +}; > + > +/* J9 */ > +&uart4 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart4>; > + assigned-clocks = <&clk IMX8MM_CLK_UART4>; > + status = "okay"; > +}; > + > /* eMMC */ > &usdhc1 { > bus-width = <8>; > @@ -353,6 +379,15 @@ MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x16 > >; > }; > > + pinctrl_uart1: uart1grp { > + fsl,pins = < > + MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140 > + MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140 > + MX8MM_IOMUXC_UART3_RXD_UART1_DCE_CTS_B 0x140 > + MX8MM_IOMUXC_UART3_TXD_UART1_DCE_RTS_B 0x140 > + >; > + }; > + > pinctrl_uart2: uart2grp { > fsl,pins = < > MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140 > @@ -360,6 +395,22 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140 > >; > }; > > + pinctrl_uart3: uart3grp { > + fsl,pins = < > + MX8MM_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x140 > + MX8MM_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x140 > + MX8MM_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x140 > + MX8MM_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x140 > + >; > + }; > + > + pinctrl_uart4: uart4grp { > + fsl,pins = < > + MX8MM_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140 > + MX8MM_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140 > + >; > + }; > + > pinctrl_usbotg1: usbotg1grp { > fsl,pins = < > MX8MM_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x16 > @@ -370,7 +421,7 @@ MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x156 > pinctrl_usbotg2: usbotg2grp { > fsl,pins = < > MX8MM_IOMUXC_GPIO1_IO14_USB2_OTG_PWR 0x16 > - MX8MM_IOMUXC_GPIO1_IO15_USB2_OTG_OC 0x156 > + MX8MM_IOMUXC_GPIO1_IO15_USB2_OTG_OC 0x15 This is not relevant to the topic. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel