[PATCH 4/7] arm64: dts: broadcom: bcm2712: Add pin controller nodes
Stefan Wahren
wahrenst at gmx.net
Fri Aug 2 12:16:08 PDT 2024
Am 31.07.24 um 08:28 schrieb Ivan T. Ivanov:
> Add pin-control devicetree nodes and used them to
> explicitly define uSD card interface pin configuration.
>
> Signed-off-by: Ivan T. Ivanov <iivanov at suse.de>
> ---
> .../boot/dts/broadcom/bcm2712-rpi-5-b.dts | 20 +++++++++++++++++++
> arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 10 ++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
> index b5921437e09f..8a0d20afebfe 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
> +++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
> @@ -53,10 +53,30 @@ &uart0 {
>
> /* SDIO1 is used to drive the SD card */
> &sdio1 {
> + pinctrl-0 = <&emmc_sd_pulls>, <&emmc_aon_cd_pins>;
> + pinctrl-names = "default";
> vqmmc-supply = <&sd_io_1v8_reg>;
> vmmc-supply = <&sd_vcc_reg>;
> bus-width = <4>;
> sd-uhs-sdr50;
> sd-uhs-ddr50;
> sd-uhs-sdr104;
> + cd-gpios = <&gio_aon 5 GPIO_ACTIVE_LOW>;
> +};
> +
> +&pinctrl_aon {
> + emmc_aon_cd_pins: emmc-aon-cd-pins {
> + function = "sd_card_g";
> + pins = "aon_gpio5";
> + bias-pull-up;
> + };
> +};
> +
> +&pinctrl {
> +
> + emmc_sd_pulls: emmc-sd-pulls {
> + pins = "emmc_cmd", "emmc_dat0", "emmc_dat1", "emmc_dat2", "emmc_dat3";
> + bias-pull-up;
> + };
> +
> };
Please keep the references in alphabetical order (pinctrl comes before
sdio). Except of this:
Reviewed-by: Stefan Wahren <wahrenst at gmx.net>
> diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> index 398df13148bd..1099171cd435 100644
> --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
> @@ -266,6 +266,16 @@ uart0: serial at 7d001000 {
> status = "disabled";
> };
>
> + pinctrl: pinctrl at 7d504100 {
> + compatible = "brcm,bcm2712-pinctrl";
> + reg = <0x7d504100 0x30>;
> + };
> +
> + pinctrl_aon: pinctrl at 7d510700 {
> + compatible = "brcm,bcm2712-aon-pinctrl";
> + reg = <0x7d510700 0x20>;
> + };
> +
> interrupt-controller at 7d517000 {
> compatible = "brcm,bcm7271-l2-intc";
> reg = <0x7d517000 0x10>;
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