2019-08-28 16:21:15

by Oliver Graute

[permalink] [raw]
Subject: [PATCHv5 0/2] Variscite DART-6UL SoM support

Need feedback to the following patches which adds support for a DART-6UL Board

Need feedback howto document propertys and compatible the right way

Need feedback why ethernet RX is deaf

Product Page: https://www.variscite.com/product/evaluation-kits/dart-6ul-kits

Oliver Graute (2):
ARM: dts: imx6ul: Add Variscite DART-6UL SoM support
ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard

arch/arm/boot/dts/Makefile | 1 +
.../boot/dts/imx6ul-imx6ull-var-dart-common.dtsi | 445 +++++++++++++++++++++
arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts | 196 +++++++++
3 files changed, 642 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
create mode 100644 arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts

--
2.7.4


2019-08-28 16:21:15

by Oliver Graute

[permalink] [raw]
Subject: [PATCHv5 1/2] ARM: dts: imx6ul: Add Variscite DART-6UL SoM support

This patch adds support for the i.MX6UL variant of the Variscite DART-6UL
SoM Carrier-Board

Signed-off-by: Oliver Graute <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Neil Armstrong <[email protected]>
---
.../boot/dts/imx6ul-imx6ull-var-dart-common.dtsi | 445 +++++++++++++++++++++
1 file changed, 445 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi

diff --git a/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
new file mode 100644
index 00000000..f345d69
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
@@ -0,0 +1,445 @@
+// SPDX-License-Identifier: (GPL-2.0)
+/dts-v1/;
+
+#include "imx6ul.dtsi"
+/ {
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+
+ touch_3v3_regulator: regulator-touch-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "touch_3v3_supply";
+ regulator-always-on;
+ };
+
+ reg_sd1_vmmc: regulator-sd1-vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "VSD_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_gpio_dvfs: regulator-gpio {
+ compatible = "regulator-gpio";
+ regulator-min-microvolt = <1300000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "gpio_dvfs";
+ regulator-type = "voltage";
+ gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ states = <1300000 0x1 1400000 0x0>;
+ };
+
+ rmii_ref_clk: clock-rmii-ref {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ clock-output-names = "rmii-ref";
+ };
+
+};
+
+&adc1 {
+ vref-supply = <&touch_3v3_regulator>;
+ status = "okay";
+};
+
+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ status = "disabled";
+};
+
+&can2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ status = "disabled";
+};
+
+&cpu0 {
+ arm-supply = <&reg_arm>;
+ soc-supply = <&reg_soc>;
+};
+
+&fec1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet1>;
+ phy-mode = "rmii";
+ status = "disabled";
+};
+
+&fec2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet2>;
+ phy-mode = "rmii";
+ status = "disabled";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy0: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ micrel,rmii-reference-clock-select-25-mhz;
+ clocks = <&rmii_ref_clk>;
+ clock-names = "rmii-ref";
+ reg = <1>;
+ };
+
+ ethphy1: ethernet-phy@3 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ micrel,rmii-reference-clock-select-25-mhz;
+ clocks = <&rmii_ref_clk>;
+ clock-names = "rmii-ref";
+ reg = <3>;
+ };
+ };
+};
+
+&gpmi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpmi_nand>;
+ status = "okay";
+
+ partition@0 {
+ label = "spl";
+ reg = <0x00000000 0x00200000>;
+ };
+
+ partition@200000 {
+ label = "uboot";
+ reg = <0x00200000 0x00200000>;
+ };
+
+ partition@400000 {
+ label = "uboot-env";
+ reg = <0x00400000 0x00200000>;
+ };
+
+ partition@600000 {
+ label = "kernel";
+ reg = <0x00600000 0x00800000>;
+ };
+
+ partition@e00000 {
+ label = "rootfs";
+ reg = <0x00e00000 0x3f200000>;
+ };
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "disabled";
+};
+
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "disabled";
+};
+
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm1>;
+ status = "disabled";
+};
+
+&sai2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai2>;
+ assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,
+ <&clks IMX6UL_CLK_SAI2>;
+ assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
+ assigned-clock-rates = <0>, <12288000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
+&snvs_poweroff {
+ status = "okay";
+};
+
+&snvs_rtc {
+ status = "disabled";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1>;
+ status = "disabled";
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ uart-has-rtscts;
+ status = "disabled";
+};
+
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
+ uart-has-rtscts;
+ status = "disabled";
+};
+
+&usbotg1 {
+ disable-over-current;
+ status = "disabled";
+};
+
+&usbotg2 {
+ disable-over-current;
+ status = "disabled";
+};
+
+&usdhc1 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ no-1-8-v;
+ keep-power-in-suspend;
+ vmmc-supply = <&reg_sd1_vmmc>;
+ non-removable;
+ status = "okay";
+};
+
+&usdhc2 {
+ status = "disabled";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+};
+
+&iomuxc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hog>;
+
+ pinctrl_enet1: enet1grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
+ >;
+ };
+
+ pinctrl_enet2: enet2grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
+ MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031
+ MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
+ MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
+ MX6UL_PAD_JTAG_MOD__GPIO1_IO10 0x1b0b0
+ >;
+ };
+
+ pinctrl_flexcan1: flexcan1grp{
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA09__FLEXCAN1_RX 0x1b020
+ MX6UL_PAD_LCD_DATA08__FLEXCAN1_TX 0x1b020
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan2grp{
+ fsl,pins = <
+ MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020
+ MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX 0x1b020
+ >;
+ };
+
+ pinctrl_gpio_leds: gpioledsgrp {
+ fsl,pins = <
+ MX6UL_PAD_CSI_HSYNC__GPIO4_IO20 0x1b0b0
+ MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x17059
+ >;
+ };
+
+ pinctrl_gpmi_nand: gpminandgrp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1
+ MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1
+ MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1
+ MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000
+ MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0xb0b1
+ MX6UL_PAD_NAND_CE1_B__RAWNAND_CE1_B 0xb0b1
+ MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1
+ MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1
+ MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1
+ MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1
+ MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1
+ MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1
+ MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1
+ MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1
+ MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1
+ MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1
+ >;
+ };
+
+ pinctrl_hog: hoggrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO03__OSC32K_32K_OUT 0x03029
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0
+ MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0
+ MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0
+ >;
+ };
+
+ pinctrl_lcdif: lcdif {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79
+ MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79
+ MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79
+ MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79
+ MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79
+ MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79
+ MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79
+ MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79
+ MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79
+ MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
+ MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
+ MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
+ MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
+ MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
+ MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
+ MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
+ MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
+ MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
+ MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79
+ MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79
+ >;
+ };
+
+ pinctrl_pwm1: pwm1grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA00__PWM1_OUT 0x110b0
+ >;
+ };
+
+ pinctrl_sai1: sai1grp {
+ fsl,pins = <
+ MX6UL_PAD_CSI_DATA05__SAI1_TX_BCLK 0x11088
+ MX6UL_PAD_CSI_DATA04__SAI1_TX_SYNC 0x17088
+ MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA 0x11088
+ MX6UL_PAD_CSI_DATA07__SAI1_TX_DATA 0x11088
+ >;
+ };
+
+ pinctrl_sai2: sai2grp {
+ fsl,pins = <
+ MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
+ MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088
+ MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088
+ MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088
+ MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
+ >;
+ };
+
+ pinctrl_tsc: tscgrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0xb0
+ MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0xb0
+ MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0xb0
+ MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0xb0
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS 0x1b0b1
+ MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS 0x1b0b1
+ >;
+ };
+
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b0b1
+ MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x17059
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO08__WDOG1_WDOG_B 0x78b0
+ >;
+ };
+};
--
2.7.4

2019-08-28 16:21:42

by Oliver Graute

[permalink] [raw]
Subject: [PATCHv5 2/2] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard

This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI

Signed-off-by: Oliver Graute <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Neil Armstrong <[email protected]>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts | 196 ++++++++++++++++++++++++
2 files changed, 197 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index a24a6a1..a2a69e4 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -579,6 +579,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
imx6ul-tx6ul-0010.dtb \
imx6ul-tx6ul-0011.dtb \
imx6ul-tx6ul-mainboard.dtb \
+ imx6ul-var-6ulcustomboard.dtb \
imx6ull-14x14-evk.dtb \
imx6ull-colibri-eval-v3.dtb \
imx6ull-colibri-wifi-eval-v3.dtb \
diff --git a/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
new file mode 100644
index 00000000..1861b34
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
@@ -0,0 +1,196 @@
+// SPDX-License-Identifier: (GPL-2.0)
+/*
+ * Support for Variscite DART-6UL Module
+ *
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ * Copyright (C) 2015-2016 Variscite Ltd. - http://www.variscite.com
+ * Copyright (C) 2018-2019 Oliver Graute <[email protected]>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include "imx6ul-imx6ull-var-dart-common.dtsi"
+
+/ {
+ model = "Variscite i.MX6 UltraLite Carrier-board";
+ compatible = "variscite,6ulcustomboard", "fsl,imx6ul";
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm1 0 20000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ status = "okay";
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ user {
+ gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_BACK>;
+ gpio-key,wakeup;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ d16-led {
+ gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "wm8731audio";
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Line", "Line Jack",
+ "Microphone", "Mic Jack";
+ simple-audio-card,routing =
+ "Headphone Jack", "RHPOUT",
+ "Headphone Jack", "LHPOUT",
+ "LLINEIN", "Line Jack",
+ "RLINEIN", "Line Jack",
+ "MICIN", "Mic Bias",
+ "Mic Bias", "Mic Jack";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,bitclock-master = <&sound_master>;
+ simple-audio-card,frame-master = <&sound_master>;
+
+ sound_master: simple-audio-card,cpu {
+ sound-dai = <&sai2>;
+ };
+ };
+};
+
+&can1 {
+ status = "okay";
+};
+
+&can2 {
+ status = "okay";
+};
+
+&fec1 {
+ phy-mode = "rgmii";
+ phy-reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+ phy-handle = <&ethphy0>;
+ status = "okay";
+};
+
+&fec2 {
+ phy-mode = "rgmii";
+ phy-reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+ phy-handle = <&ethphy1>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c2 {
+ clock_frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ wm8731: audio-codec@1a {
+ #sound-dai-cells = <0>;
+ compatible = "wlf,wm8731";
+ reg = <0x1a>;
+ clocks = <&clks IMX6UL_CLK_SAI2>;
+ clock-names = "mclk";
+ };
+
+ touchscreen@38 {
+ compatible = "edt,edt-ft5x06";
+ reg = <0x38>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <4 0>;
+ touchscreen-size-x = <800>;
+ touchscreen-size-y = <480>;
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ wakeup-source;
+ };
+
+ rtc@68 {
+ compatible = "dallas,ds1337";
+ reg = <0x68>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rtc>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ };
+};
+
+&lcdif {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lcdif>;
+ display = <&display0>;
+ status = "okay";
+
+ display0: display0 {
+ bits-per-pixel = <16>;
+ bus-width = <24>;
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: timing0 {
+ clock-frequency =<35000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <40>;
+ hback-porch = <40>;
+ hsync-len = <48>;
+ vback-porch = <29>;
+ vfront-porch = <13>;
+ vsync-len = <3>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <0>;
+ };
+ };
+ };
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&usbotg1 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbotg2 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_rtc: rtcgrp {
+ fsl,pins = <
+ MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0
+ >;
+ };
+};
--
2.7.4

2019-08-29 07:30:02

by Marco Felsch

[permalink] [raw]
Subject: Re: [PATCHv5 1/2] ARM: dts: imx6ul: Add Variscite DART-6UL SoM support

Hi Oliver,

thanks for the patch.

On 19-08-28 18:19, Oliver Graute wrote:
> This patch adds support for the i.MX6UL variant of the Variscite DART-6UL
> SoM Carrier-Board
>
> Signed-off-by: Oliver Graute <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Neil Armstrong <[email protected]>
> ---
> .../boot/dts/imx6ul-imx6ull-var-dart-common.dtsi | 445 +++++++++++++++++++++

Is it a imx6ul or a imx6ull? Also can you add a changelog the next time?

> 1 file changed, 445 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
>
> diff --git a/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
> new file mode 100644
> index 00000000..f345d69
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
> @@ -0,0 +1,445 @@
> +// SPDX-License-Identifier: (GPL-2.0)
> +/dts-v1/;
> +
> +#include "imx6ul.dtsi"
> +/ {
> + chosen {
> + stdout-path = &uart1;

You specify uart1 here and disable the node below... That seems wrong to
me.

> + };
> +
> + memory@80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + touch_3v3_regulator: regulator-touch-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "touch_3v3_supply";
> + regulator-always-on;

Why is it always-on?

> + };

Please name the phandle reg_touch_3v3 and specify the
regulator-min-microvolt/regulator-max-microvolt properties.

> +
> + reg_sd1_vmmc: regulator-sd1-vmmc {
> + compatible = "regulator-fixed";
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + reg_gpio_dvfs: regulator-gpio {
> + compatible = "regulator-gpio";
> + regulator-min-microvolt = <1300000>;
> + regulator-max-microvolt = <1400000>;
> + regulator-name = "gpio_dvfs";
> + regulator-type = "voltage";
> + gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + states = <1300000 0x1 1400000 0x0>;
> + };
> +
> + rmii_ref_clk: clock-rmii-ref {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <25000000>;
> + clock-output-names = "rmii-ref";
> + };

Alphabetical ordering please and please rename the phandle to
clk_rmii_ref or something.

> +
> +};
> +
> +&adc1 {
> + vref-supply = <&touch_3v3_regulator>;
> + status = "okay";
> +};
> +
> +&can1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan1>;
> + status = "disabled";

No need to disable it here, it is disabled in the SoC DT.

> +};
> +
> +&can2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan2>;
> + status = "disabled";

Here too.

> +};
> +
> +&cpu0 {
> + arm-supply = <&reg_arm>;
> + soc-supply = <&reg_soc>;
> +};
> +
> +&fec1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet1>;
> + phy-mode = "rmii";
> + status = "disabled";

And here.

> +};
> +
> +&fec2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet2>;
> + phy-mode = "rmii";
> + status = "disabled";

And here.

> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + micrel,rmii-reference-clock-select-25-mhz;
> + clocks = <&rmii_ref_clk>;
> + clock-names = "rmii-ref";

Do we need to specify the clock-names?

> + reg = <1>;
> + };
> +
> + ethphy1: ethernet-phy@3 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + micrel,rmii-reference-clock-select-25-mhz;
> + clocks = <&rmii_ref_clk>;
> + clock-names = "rmii-ref";
> + reg = <3>;
> + };
> + };
> +};
> +
> +&gpmi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpmi_nand>;
> + status = "okay";
> +
> + partition@0 {
> + label = "spl";
> + reg = <0x00000000 0x00200000>;
> + };
> +
> + partition@200000 {
> + label = "uboot";
> + reg = <0x00200000 0x00200000>;
> + };
> +
> + partition@400000 {
> + label = "uboot-env";
> + reg = <0x00400000 0x00200000>;
> + };
> +
> + partition@600000 {
> + label = "kernel";
> + reg = <0x00600000 0x00800000>;
> + };
> +
> + partition@e00000 {
> + label = "rootfs";
> + reg = <0x00e00000 0x3f200000>;
> + };

Nope, partitions must be within a subnode. Please check
Documentation/devicetree/bindings/mtd/partition.txt.

> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "disabled";

Drop the status line.

> +};
> +
> +&i2c2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "disabled";
Drop the status line.
> +};
> +
> +&pwm1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm1>;
> + status = "disabled";
Drop the status line.
> +};
> +
> +&sai2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sai2>;
> + assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,
> + <&clks IMX6UL_CLK_SAI2>;
> + assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
> + assigned-clock-rates = <0>, <12288000>;
> + fsl,sai-mclk-direction-output;
> + status = "okay";
> +};
> +
> +&snvs_poweroff {
> + status = "okay";
> +};
> +
> +&snvs_rtc {
> + status = "disabled";
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "disabled";

No need.

> +};
> +
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + uart-has-rtscts;
> + status = "disabled";

No need.

> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + uart-has-rtscts;
> + status = "disabled";

No need.

> +};
> +
> +&usbotg1 {
> + disable-over-current;
> + status = "disabled";

No need.

> +};
> +
> +&usbotg2 {
> + disable-over-current;
> + status = "disabled";

No need.

> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> + no-1-8-v;
> + keep-power-in-suspend;
> + vmmc-supply = <&reg_sd1_vmmc>;

I tought the highspeed modes using 1.8V signal levels.

> + non-removable;

Please specify the bus-with too. BTW. is it a SD-Card or an eMMC?

> + status = "okay";
> +};
> +
> +&usdhc2 {
> + status = "disabled";
> +};

Remove the whole node.

> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + pinctrl_enet1: enet1grp {
> + fsl,pins = <
> + MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
> + MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
> + MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
> + MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
> + MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
> + MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
> + MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
> + MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
> + >;
> + };
> +
> + pinctrl_enet2: enet2grp {
> + fsl,pins = <
> + MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
> + MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
> + MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
> + MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
> + MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
> + MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
> + MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
> + MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031
> + MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
> + MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
> + MX6UL_PAD_JTAG_MOD__GPIO1_IO10 0x1b0b0
> + >;
> + };
> +
> + pinctrl_flexcan1: flexcan1grp{
> + fsl,pins = <
> + MX6UL_PAD_LCD_DATA09__FLEXCAN1_RX 0x1b020
> + MX6UL_PAD_LCD_DATA08__FLEXCAN1_TX 0x1b020
> + >;
> + };
> +
> + pinctrl_flexcan2: flexcan2grp{
> + fsl,pins = <
> + MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020
> + MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX 0x1b020
> + >;
> + };
> +
> + pinctrl_gpio_leds: gpioledsgrp {
> + fsl,pins = <
> + MX6UL_PAD_CSI_HSYNC__GPIO4_IO20 0x1b0b0
> + MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x17059
> + >;
> + };

You didn't reference that node.

> +
> + pinctrl_gpmi_nand: gpminandgrp {
> + fsl,pins = <
> + MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1
> + MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1
> + MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1
> + MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000
> + MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0xb0b1
> + MX6UL_PAD_NAND_CE1_B__RAWNAND_CE1_B 0xb0b1
> + MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1
> + MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1
> + MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1
> + MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1
> + MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1
> + MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1
> + MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1
> + MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1
> + MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1
> + MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1
> + >;
> + };
> +
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX6UL_PAD_GPIO1_IO03__OSC32K_32K_OUT 0x03029
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0
> + MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0
> + MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0
> + >;
> + };
> +
> + pinctrl_lcdif: lcdif {
> + fsl,pins = <
> + MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79
> + MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79
> + MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79
> + MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79
> + MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79
> + MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79
> + MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79
> + MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79
> + MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79
> + MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
> + MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
> + MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
> + MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
> + MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
> + MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
> + MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
> + MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
> + MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
> + MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79
> + MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79
> + >;
> + };

You didn't reference that.

> +
> + pinctrl_pwm1: pwm1grp {
> + fsl,pins = <
> + MX6UL_PAD_LCD_DATA00__PWM1_OUT 0x110b0
> + >;
> + };
> +
> + pinctrl_sai1: sai1grp {
> + fsl,pins = <
> + MX6UL_PAD_CSI_DATA05__SAI1_TX_BCLK 0x11088
> + MX6UL_PAD_CSI_DATA04__SAI1_TX_SYNC 0x17088
> + MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA 0x11088
> + MX6UL_PAD_CSI_DATA07__SAI1_TX_DATA 0x11088
> + >;
> + };

You didn't reference that.

> + pinctrl_sai2: sai2grp {
> + fsl,pins = <
> + MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
> + MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088
> + MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088
> + MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088
> + MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
> + >;
> + };
> +
> + pinctrl_tsc: tscgrp {
> + fsl,pins = <
> + MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0xb0
> + MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0xb0
> + MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0xb0
> + MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0xb0
> + >;
> + };

You didn't reference that.

> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
> + MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
> + MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1
> + MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS 0x1b0b1
> + MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
> + MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b0b1
> + MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b0b1
> + MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
> + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x17059
> + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
> + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
> + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
> + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
> + MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> + fsl,pins = <
> + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
> + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
> + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
> + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
> + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
> + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
> + MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
> + fsl,pins = <
> + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
> + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
> + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
> + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
> + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
> + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
> + MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX6UL_PAD_GPIO1_IO08__WDOG1_WDOG_B 0x78b0
> + >;
> + };
> +};
> --
> 2.7.4
>
>
>

--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |

2019-08-29 07:55:24

by Marco Felsch

[permalink] [raw]
Subject: Re: [PATCHv5 2/2] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard

Hi Oliver,

On 19-08-28 18:19, Oliver Graute wrote:
> This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI
>
> Signed-off-by: Oliver Graute <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Neil Armstrong <[email protected]>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts | 196 ++++++++++++++++++++++++
> 2 files changed, 197 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a24a6a1..a2a69e4 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -579,6 +579,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> imx6ul-tx6ul-0010.dtb \
> imx6ul-tx6ul-0011.dtb \
> imx6ul-tx6ul-mainboard.dtb \
> + imx6ul-var-6ulcustomboard.dtb \
> imx6ull-14x14-evk.dtb \
> imx6ull-colibri-eval-v3.dtb \
> imx6ull-colibri-wifi-eval-v3.dtb \
> diff --git a/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
> new file mode 100644
> index 00000000..1861b34
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
> @@ -0,0 +1,196 @@
> +// SPDX-License-Identifier: (GPL-2.0)
> +/*
> + * Support for Variscite DART-6UL Module
> + *
> + * Copyright (C) 2015 Freescale Semiconductor, Inc.
> + * Copyright (C) 2015-2016 Variscite Ltd. - http://www.variscite.com
> + * Copyright (C) 2018-2019 Oliver Graute <[email protected]>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include "imx6ul-imx6ull-var-dart-common.dtsi"
> +
> +/ {
> + model = "Variscite i.MX6 UltraLite Carrier-board";
> + compatible = "variscite,6ulcustomboard", "fsl,imx6ul";
> +
> + backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm1 0 20000>;
> + brightness-levels = <0 4 8 16 32 64 128 255>;
> + default-brightness-level = <6>;
> + status = "okay";
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + user {
> + gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;

Please mux the gpios where you need them. In this case mux it within the
gpio-keys node.

> + linux,code = <KEY_BACK>;
> + gpio-key,wakeup;
> + };
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> +
> + d16-led {
> + gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;

The same applies here.

> + linux,default-trigger = "heartbeat";
> + };
> + };
> +
> + sound {
> + compatible = "simple-audio-card";
> + simple-audio-card,name = "wm8731audio";
> + simple-audio-card,widgets =
> + "Headphone", "Headphone Jack",
> + "Line", "Line Jack",
> + "Microphone", "Mic Jack";
> + simple-audio-card,routing =
> + "Headphone Jack", "RHPOUT",
> + "Headphone Jack", "LHPOUT",
> + "LLINEIN", "Line Jack",
> + "RLINEIN", "Line Jack",
> + "MICIN", "Mic Bias",
> + "Mic Bias", "Mic Jack";
> + simple-audio-card,format = "i2s";
> + simple-audio-card,bitclock-master = <&sound_master>;
> + simple-audio-card,frame-master = <&sound_master>;
> +
> + sound_master: simple-audio-card,cpu {
> + sound-dai = <&sai2>;
> + };

Where is the codec node?

> + };
> +};
> +
> +&can1 {
> + status = "okay";

We need to move the complete muxing from the SoM dtsi to the baseboard
for all baseboard related nodes.. I tought that the Dart 6UL layout
follows a specific standard but that isn't the case.

> +};
> +
> +&can2 {
> + status = "okay";
> +};
> +
> +&fec1 {
> + phy-mode = "rgmii";

This avoid such re-assigning here too. Also the imx6ul only support
10/100 Mbit/s. So rgmii makes no sense here.

> + phy-reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
> + phy-handle = <&ethphy0>;
> + status = "okay";
> +};
> +
> +&fec2 {
> + phy-mode = "rgmii";
> + phy-reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> + phy-handle = <&ethphy1>;
> + status = "okay";
> +};
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + clock_frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +
> + wm8731: audio-codec@1a {
> + #sound-dai-cells = <0>;

Please move #sound-dai-cells below compatible and reg property.

> + compatible = "wlf,wm8731";
> + reg = <0x1a>;
> + clocks = <&clks IMX6UL_CLK_SAI2>;
> + clock-names = "mclk";
> + };
> +
> + touchscreen@38 {
> + compatible = "edt,edt-ft5x06";
> + reg = <0x38>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <4 0>;

Make use of IRQ_TYPE_*

> + touchscreen-size-x = <800>;
> + touchscreen-size-y = <480>;
> + touchscreen-inverted-x;
> + touchscreen-inverted-y;
> + wakeup-source;
> + };
> +
> + rtc@68 {
> + compatible = "dallas,ds1337";
> + reg = <0x68>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rtc>;
> + interrupt-parent = <&gpio5>;
> + interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> + };
> +};
> +
> +&lcdif {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lcdif>;
> + display = <&display0>;
> + status = "okay";
> +
> + display0: display0 {
> + bits-per-pixel = <16>;
> + bus-width = <24>;
> +
> + display-timings {
> + native-mode = <&timing0>;
> + timing0: timing0 {
> + clock-frequency =<35000000>;
> + hactive = <800>;
> + vactive = <480>;
> + hfront-porch = <40>;
> + hback-porch = <40>;
> + hsync-len = <48>;
> + vback-porch = <29>;
> + vfront-porch = <13>;
> + vsync-len = <3>;
> + hsync-active = <0>;
> + vsync-active = <0>;
> + de-active = <1>;
> + pixelclk-active = <0>;
> + };
> + };
> + };
> +};
> +
> +&pwm1 {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_rtc: rtcgrp {
> + fsl,pins = <
> + MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0
> + >;
> + };

As I said above, move the complete muxing pwm/usb/i2c/lcd/... from the
som dtsi to the baseboard dts because it is only valid for this
baseboard. Another baseboard using this som can have a complete
different mux option.

Regards,
Marco


> +};
> --
> 2.7.4
>
>
>

--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |