Re: [PATCH v3 4/4] arm64: dts: freescale: Add support for phyBOARD-Pollux-i.MX8MP

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Hello Shawn,

Am Donnerstag, den 07.01.2021, 14:22 +0800 schrieb Shawn Guo:
> On Fri, Dec 11, 2020 at 02:48:55PM +0100, Teresa Remmet wrote:
> > Add initial support for phyBOARD-Pollux-i.MX8MP.
> > Supported basic features:
> > 	* eMMC
> > 	* i2c EEPROM
> > 	* i2c RTC
> > 	* i2c LED
> > 	* PMIC
> > 	* debug UART
> > 	* SD card
> > 	* 1Gbit Ethernet (fec)
> > 	* watchdog
> > 
> > Signed-off-by: Teresa Remmet <t.remmet@xxxxxxxxx>
> > Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/freescale/Makefile             |   1 +
> >  .../dts/freescale/imx8mp-phyboard-pollux-rdk.dts   | 163
> > ++++++++++++
> >  .../boot/dts/freescale/imx8mp-phycore-som.dtsi     | 296
> > +++++++++++++++++++++
> >  3 files changed, 460 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-phyboard-
> > pollux-rdk.dts
> >  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-phycore-
> > som.dtsi
> > 
> > 

[...]

> > +}
> > +
> > +/* ethernet 1 */
> > +&fec {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_fec>;
> > +	phy-mode = "rgmii-id";
> > +	phy-handle = <&ethphy1>;
> > +	fsl,magic-packet;
> > +	status = "okay";
> > +
> > +	mdio {
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +
> > +		ethphy1: ethernet-phy@0 {
> > +			compatible = "ethernet-phy-ieee802.3-c22";
> > +			reg = <0>;
> > +			interrupt-parent = <&gpio1>;
> > +			interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
> > +			ti,rx-internal-delay =
> > <DP83867_RGMIIDCTL_2_00_NS>;
> > +			ti,tx-internal-delay =
> > <DP83867_RGMIIDCTL_2_00_NS>;
> > +			ti,fifo-depth =
> > <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> > +			ti,clk-output-sel = <DP83867_CLK_O_SEL_OFF>;
> > +			enet-phy-lane-no-swap;
> 
> Undocumented property?

yes it is undocumented but used by the drivers/net/phy/dp83867.c
eth phy driver.

> 
> > +		};
> > +	};
> > +};
> > +
> > +&i2c1 {
> > +	clock-frequency = <400000>;
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_i2c1>;
> > +	pinctrl-1 = <&pinctrl_i2c1_gpio>;
> > +	sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > +	scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> > +	status = "okay";
> > +
> > +	pmic: pmic@25 {
> > +		reg = <0x25>;
> > +		compatible = "nxp,pca9450c";
> > +		pinctrl-names = "default";
> > +		pinctrl-0 = <&pinctrl_pmic>;
> > +		interrupt-parent = <&gpio4>;
> > +		interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
> > +
> > +		regulators {
> > +			buck1: BUCK1 {
> > +				regulator-compatible = "BUCK1";
> > +				regulator-min-microvolt = <600000>;
> > +				regulator-max-microvolt = <2187500>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +				regulator-ramp-delay = <3125>;
> > +			};
> > +
> > +			buck2: BUCK2 {
> > +				regulator-compatible = "BUCK2";
> > +				regulator-min-microvolt = <600000>;
> > +				regulator-max-microvolt = <2187500>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +				regulator-ramp-delay = <3125>;
> > +			};
> > +
> > +			buck4: BUCK4 {
> > +				regulator-compatible = "BUCK4";
> > +				regulator-min-microvolt = <600000>;
> > +				regulator-max-microvolt = <3400000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			buck5: BUCK5 {
> > +				regulator-compatible = "BUCK5";
> > +				regulator-min-microvolt = <600000>;
> > +				regulator-max-microvolt = <3400000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			buck6: BUCK6 {
> > +				regulator-compatible = "BUCK6";
> > +				regulator-min-microvolt = <600000>;
> > +				regulator-max-microvolt = <3400000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			ldo1: LDO1 {
> > +				regulator-compatible = "LDO1";
> > +				regulator-min-microvolt = <1600000>;
> > +				regulator-max-microvolt = <3300000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			ldo2: LDO2 {
> > +				regulator-compatible = "LDO2";
> > +				regulator-min-microvolt = <800000>;
> > +				regulator-max-microvolt = <1150000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			ldo3: LDO3 {
> > +				regulator-compatible = "LDO3";
> > +				regulator-min-microvolt = <800000>;
> > +				regulator-max-microvolt = <3300000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			ldo4: LDO4 {
> > +				regulator-compatible = "LDO4";
> > +				regulator-min-microvolt = <800000>;
> > +				regulator-max-microvolt = <3300000>;
> > +				regulator-boot-on;
> > +				regulator-always-on;
> > +			};
> > +
> > +			ldo5: LDO5 {
> > +				regulator-compatible = "LDO5";
> > +				regulator-min-microvolt = <1800000>;
> > +				regulator-max-microvolt = <3300000>;
> > +			};
> > +		};
> > +	};
> > +
> > +	eeprom@51 {
> > +		compatible = "atmel,24c32";
> > +		reg = <0x51>;
> > +		pagesize = <32>;
> > +		status = "okay";
> 
> Unneeded 'okay' status.
> 
> > +	};
> > +
> > +	rv3028: rtc@52 {
> > +		compatible = "microcrystal,rv3028";
> > +		reg = <0x52>;
> > +		trickle-resistor-ohms = <1000>;
> > +		enable-level-switching-mode;
> 
> Undocumented property?

This is a downstream leftover. I will remove it. 
Same with the unneeded status properties.

Thank you for the review.

Teresa


> 
> Shawn
> 




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