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From: Shawn Guo <shawnguo@kernel.org>
To: Bai Ping <ping.bai@nxp.com>
Cc: aisheng.dong@nxp.com, devicetree@vger.kernel.org,
	robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de,
	jacky.baip@gmail.com, fabio.estevam@nxp.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PACTCH v5 1/2] ARM: dts: imx: Add basic dtsi file for imx6sll
Date: Wed, 2 May 2018 14:55:15 +0800	[thread overview]
Message-ID: <20180502065513.GA3443@dragon> (raw)
In-Reply-To: <1523606464-21561-1-git-send-email-ping.bai@nxp.com>

On Fri, Apr 13, 2018 at 04:01:03PM +0800, Bai Ping wrote:
> Add dtsi file for imx6sll.
> 
> Signed-off-by: Bai Ping <ping.bai@nxp.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
>  change v3->v4
>  - update the license indentifier
>  - remove leading zeros of node
>  - move pin header to this patch
>  change v4->v5
>  - use generic name for device node
> ---
>  arch/arm/boot/dts/imx6sll-pinfunc.h | 880 ++++++++++++++++++++++++++++++++++++
>  arch/arm/boot/dts/imx6sll.dtsi      | 802 ++++++++++++++++++++++++++++++++
>  2 files changed, 1682 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6sll-pinfunc.h
>  create mode 100644 arch/arm/boot/dts/imx6sll.dtsi

<snip>

> +
> +			epit1: epit@20d0000 {
> +				reg = <0x020d0000 0x4000>;
> +				interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> +			};
> +
> +			epit2: epit@20d4000 {
> +				reg = <0x020d4000 0x4000>;
> +				interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
> +			};

'timer' for node name.  If these devices are not used, I would even
suggest to drop them.

> +
> +			src: reset-controller@20d8000 {
> +				compatible = "fsl,imx6sll-src";
> +				reg = <0x020d8000 0x4000>;
> +				interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
> +					     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
> +				#reset-cells = <1>;
> +			};
> +
> +			gpc: interrupt-controller@20dc000 {
> +				compatible = "fsl,imx6sll-gpc", "fsl,imx6q-gpc";
> +				reg = <0x020dc000 0x4000>;
> +				interrupt-controller;
> +				#interrupt-cells = <3>;
> +				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupt-parent = <&intc>;
> +				fsl,mf-mix-wakeup-irq = <0x7c00000 0x7d00 0x0 0x1400640>;
> +			};
> +
> +			iomuxc: pinctrl@20e0000 {
> +				compatible = "fsl,imx6sll-iomuxc";
> +				reg = <0x020e0000 0x4000>;
> +			};
> +
> +			gpr: iomuxc-gpr@20e4000 {
> +				compatible = "fsl,imx6sll-iomuxc-gpr",
> +					     "fsl,imx6q-iomuxc-gpr", "syscon";
> +				reg = <0x020e4000 0x4000>;
> +			};
> +
> +			csi: csi@20e8000 {
> +				compatible = "fsl,imx6sll-csi", "fsl,imx6s-csi";
> +				reg = <0x020e8000 0x4000>;
> +				interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_DUMMY>,
> +					 <&clks IMX6SLL_CLK_CSI>,
> +					 <&clks IMX6SLL_CLK_DUMMY>;
> +				clock-names = "disp-axi", "csi_mclk", "disp_dcic";
> +				status = "disabled";
> +			};
> +
> +			sdma: dma-controller@20ec000 {
> +				compatible = "fsl,imx6sll-sdma", "fsl,imx35-sdma";
> +				reg = <0x020ec000 0x4000>;
> +				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_SDMA>,
> +					 <&clks IMX6SLL_CLK_SDMA>;
> +				clock-names = "ipg", "ahb";
> +				#dma-cells = <3>;
> +				iram = <&ocram>;
> +				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx6q.bin";
> +			};
> +
> +			lcdif: lcd-controller@20f8000 {
> +				compatible = "fsl,imx6sll-lcdif", "fsl,imx28-lcdif";
> +				reg = <0x020f8000 0x4000>;
> +				interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_LCDIF_PIX>,
> +					 <&clks IMX6SLL_CLK_LCDIF_APB>,
> +					 <&clks IMX6SLL_CLK_DUMMY>;
> +				clock-names = "pix", "axi", "disp_axi";
> +				status = "disabled";
> +			};
> +
> +			dcp: dcp@20fc000 {
> +				compatible = "fsl,imx6sl-dcp";

Is the compatible supported/documented?

> +				reg = <0x020fc000 0x4000>;
> +				interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> +					     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
> +					     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_DCP>;
> +				clock-names = "dcp";
> +			};
> +		};
> +
> +		aips2: aips-bus@2100000 {
> +			compatible = "fsl,aips-bus", "simple-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			reg = <0x02100000 0x100000>;
> +			ranges;
> +
> +			usbotg1: usb@2184000 {
> +				compatible = "fsl,imx6sll-usb", "fsl,imx6ul-usb",
> +						"fsl,imx27-usb";
> +				reg = <0x02184000 0x200>;
> +				interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_USBOH3>;
> +				fsl,usbphy = <&usbphy1>;
> +				fsl,usbmisc = <&usbmisc 0>;
> +				fsl,anatop = <&anatop>;
> +				ahb-burst-config = <0x0>;
> +				tx-burst-size-dword = <0x10>;
> +				rx-burst-size-dword = <0x10>;
> +				status = "disabled";
> +			};
> +
> +			usbotg2: usb@2184200 {
> +				compatible = "fsl,imx6sll-usb", "fsl,imx6ul-usb",
> +						"fsl,imx27-usb";
> +				reg = <0x02184200 0x200>;
> +				interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_USBOH3>;
> +				fsl,usbphy = <&usbphy2>;
> +				fsl,usbmisc = <&usbmisc 1>;
> +				ahb-burst-config = <0x0>;
> +				tx-burst-size-dword = <0x10>;
> +				rx-burst-size-dword = <0x10>;
> +				status = "disabled";
> +			};
> +
> +			usbmisc: usbmisc@2184800 {
> +				#index-cells = <1>;
> +				compatible = "fsl,imx6sll-usbmisc", "fsl,imx6ul-usbmisc",
> +						"fsl,imx6q-usbmisc";
> +				reg = <0x02184800 0x200>;
> +			};
> +
> +			usdhc1: mmc@2190000 {
> +				compatible = "fsl,imx6sll-usdhc", "fsl,imx6sx-usdhc";
> +				reg = <0x02190000 0x4000>;
> +				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_USDHC1>,
> +					 <&clks IMX6SLL_CLK_USDHC1>,
> +					 <&clks IMX6SLL_CLK_USDHC1>;
> +				clock-names = "ipg", "ahb", "per";
> +				bus-width = <4>;
> +				fsl,tuning-step = <2>;
> +				fsl,tuning-start-tap = <20>;
> +				status = "disabled";
> +			};
> +
> +			usdhc2: mmc@2194000 {
> +				compatible = "fsl,imx6sll-usdhc", "fsl,imx6sx-usdhc";
> +				reg = <0x02194000 0x4000>;
> +				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_USDHC2>,
> +					 <&clks IMX6SLL_CLK_USDHC2>,
> +					 <&clks IMX6SLL_CLK_USDHC2>;
> +				clock-names = "ipg", "ahb", "per";
> +				bus-width = <4>;
> +				fsl,tuning-step = <2>;
> +				fsl,tuning-start-tap = <20>;
> +				status = "disabled";
> +			};
> +
> +			usdhc3: mmc@2198000 {
> +				compatible = "fsl,imx6sll-usdhc", "fsl,imx6sx-usdhc";
> +				reg = <0x02198000 0x4000>;
> +				interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_USDHC3>,
> +					 <&clks IMX6SLL_CLK_USDHC3>,
> +					 <&clks IMX6SLL_CLK_USDHC3>;
> +				clock-names = "ipg", "ahb", "per";
> +				bus-width = <4>;
> +				fsl,tuning-step = <2>;
> +				fsl,tuning-start-tap = <20>;
> +				status = "disabled";
> +			};
> +
> +			i2c1: i2c@21a0000 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				compatible = "fs,imx6sll-i2c", "fsl,imx21-i2c";
> +				reg = <0x021a0000 0x4000>;
> +				interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_I2C1>;
> +				status = "disabled";
> +			};
> +
> +			i2c2: i2c@21a4000 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				compatible = "fsl,imx6sll-i2c", "fsl,imx21-i2c";
> +				reg = <0x021a4000 0x4000>;
> +				interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_I2C2>;
> +				status = "disabled";
> +			};
> +
> +			i2c3: i2c@21a8000 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				compatible = "fsl,imx6sll-i2c", "fsl,imx21-i2c";
> +				reg = <0x021a8000 0x4000>;
> +				interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6SLL_CLK_I2C3>;
> +				status = "disabled";
> +			};
> +
> +			romcp@21ac000 {
> +				compatible = "fsl,imx6sll-romcp", "syscon";

The compatible "fsl,imx6sll-romcp" is undocumented.  If the device is
not used by upstream kernel, I would even suggest to drop it.

> +				reg = <0x021ac000 0x4000>;
> +			};
> +
> +			mmdc: memory-controller@21b0000 {
> +				compatible = "fsl,imx6sll-mmdc", "fsl,imx6q-mmdc";
> +				reg = <0x021b0000 0x4000>;
> +			};
> +
> +			rngb: rngb@21b4000 {

Is the device used at all?

> +				reg = <0x021b4000 0x4000>;
> +				interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks =  <&clks IMX6SLL_CLK_DUMMY>;
> +			};
> +
> +			ocotp: ocotp-ctrl@21bc000 {
> +				compatible = "fsl,imx6sll-ocotp", "syscon";
> +				reg = <0x021bc000 0x4000>;
> +				clocks = <&clks IMX6SLL_CLK_OCOTP>;
> +			};
> +
> +			snvs_gpr: snvs-gpr@21c4000 {
> +				reg = <0x021c4000 0x10000>;
> +			};

Ditto

> +
> +			iomuxc_snvs: iomuxc-snvs@21c8000 {
> +				reg = <0x021c8000 0x10000>;
> +			};

Ditto

Shawn

> +
> +			audmux: audmux@21d8000 {
> +				compatible = "fsl,imx6sll-audmux", "fsl,imx31-audmux";
> +				reg = <0x021d8000 0x4000>;
> +				status = "disabled";
> +			};
> +
> +			uart5: serial@21f4000 {
> +				compatible = "fsl,imx6sll-uart", "fsl,imx6q-uart",
> +					     "fsl,imx21-uart";
> +				reg = <0x021f4000 0x4000>;
> +				interrupts =<GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&sdma 33 4 0>, <&sdma 34 4 0>;
> +				dma-names = "rx", "tx";
> +				clocks = <&clks IMX6SLL_CLK_UART5_IPG>,
> +					 <&clks IMX6SLL_CLK_UART5_SERIAL>;
> +				clock-names = "ipg", "per";
> +				status = "disabled";
> +			};
> +		};
> +	};
> +};
> -- 
> 1.9.1
> 

  parent reply	other threads:[~2018-05-02  6:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-13  8:01 [PACTCH v5 1/2] ARM: dts: imx: Add basic dtsi file for imx6sll Bai Ping
2018-04-13  8:01 ` [PACTCH v5 2/2] ARM: dts: imx: Add basic dts support for imx6sll EVK board Bai Ping
2018-05-02  6:58   ` Shawn Guo
2018-05-02  6:55 ` Shawn Guo [this message]
2018-05-08  7:52   ` [PACTCH v5 1/2] ARM: dts: imx: Add basic dtsi file for imx6sll Jacky Bai

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