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SubjectRe: [PATCH v5 3/3] ARM: dts: stm32: add initial support for stm32mp157-odyssey board
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...

>> +
>> +&sdmmc2_d47_pins_a {
>> + pins {
>> + pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
>> + <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
>> + <STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */
>> + <STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */
>> + };
>> +};
>> +
>> +&sdmmc2_d47_sleep_pins_a {
>> + pins {
>> + pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */
>> + <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */
>> + <STM32_PINMUX('E', 5, ANALOG)>, /* SDMMC2_D6 */
>> + <STM32_PINMUX('C', 7, ANALOG)>; /* SDMMC2_D7 */
>> + };
>> +};
>
> When I sent out the device trees for the lxa-mc1, Alex wanted
> all pinctrl nodes to be collected in stm32mp15-pinctrl.dtsi.
>
> @Alex, should this be done here as well?

Hi,

Sorry for the late answer. Yes it has to be defined in
stm32mp15-pinctrl.dtsi. If at the end there are too much definitions for
the same pins or group of pins, I'll find a smarter way for pin
definition, but currently all pin definitions have to be done in
stm32mp15-pinctrl.dtsi.

cheers
Alex

>
>> +
>> +&sdmmc2 {
>> + pinctrl-names = "default", "opendrain", "sleep";
>> + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
>> + pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;
>> + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
>> + non-removable;
>> + no-sd;
>> + no-sdio;
>> + st,neg-edge;
>> + bus-width = <8>;
>> + vmmc-supply = <&v3v3>;
>> + vqmmc-supply = <&v3v3>;
>> + mmc-ddr-3_3v;
>> + status = "okay";
>> +};
>> +
>> diff --git a/arch/arm/boot/dts/stm32mp157c-odyssey.dts b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
>> new file mode 100644
>> index 000000000000..619243807842
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
>> @@ -0,0 +1,73 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
>> +/*
>> + * Copyright (C) 2020 Marcin Sloniewski <marcin.sloniewski@gmail.com>.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "stm32mp157c-odyssey-som.dtsi"
>> +
>> +/ {
>> + model = "Seeed Studio Odyssey-STM32MP157C Board";
>> + compatible = "seeed,stm32mp157c-odyssey",
>> + "seeed,stm32mp157c-odyssey-som", "st,stm32mp157";
>> +
>> + aliases {
>> + ethernet0 = &ethernet0;
>> + serial0 = &uart4;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&ethernet0 {
>> + status = "okay";
>> + pinctrl-0 = <&ethernet0_rgmii_pins_a>;
>> + pinctrl-1 = <&ethernet0_rgmii_sleep_pins_a>;
>> + pinctrl-names = "default", "sleep";
>> + phy-mode = "rgmii-id";
>> + max-speed = <1000>;
>> + phy-handle = <&phy0>;
>> +
>> + mdio0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "snps,dwmac-mdio";
>> + phy0: ethernet-phy@7 { /* KSZ9031RN */
>> + reg = <7>;
>
> reset-gpios is missing. I see that the vendor u-boot does it
> in board code, but you don't want Linux to depend on this.
>
>> + };
>> + };
>> +};
>> +
>> +&i2c1 {
>> + pinctrl-names = "default", "sleep";
>> + pinctrl-0 = <&i2c1_pins_a>;
>> + pinctrl-1 = <&i2c1_sleep_pins_a>;
>> + i2c-scl-rising-time-ns = <100>;
>> + i2c-scl-falling-time-ns = <7>;
>> + status = "okay";
>> + /delete-property/dmas;
>> + /delete-property/dma-names;
>> +};
>> +
>> +&sdmmc1 {
>> + pinctrl-names = "default", "opendrain", "sleep";
>> + pinctrl-0 = <&sdmmc1_b4_pins_a>;
>> + pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
>> + pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
>> + cd-gpios = <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
>> + disable-wp;
>> + st,neg-edge;
>> + bus-width = <4>;
>> + vmmc-supply = <&v3v3>;
>> + status = "okay";
>> +};
>> +
>> +&uart4 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&uart4_pins_a>;
>> + status = "okay";
>> +};
>> +
>>
>

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