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92c0ca7515
New stm32 target introduces support for stm32mp1 based devices. For now it includes an initial support of the STM32MP135F-DK device. The specifications bellow only list supported features. Specifications -------------- SOC: STM32MP135FAF7 RAM: 512 MiB Storage: SD Card Ethernet: 2x 100 Mbps Wireless: 2.4GHz Cypress CYW43455 (802.11b/g/n) LEDs: Heartbeat (Blue) Buttons: 1x Reset, 1x User (USER2) USB: 4x 2.0 Type-A Signed-off-by: Thomas Richard <thomas.richard@bootlin.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
77 lines
1.9 KiB
Diff
77 lines
1.9 KiB
Diff
From 315fe7667c03c1f853e1a7038c28f23621a44a3d Mon Sep 17 00:00:00 2001
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From: Christophe Roullier <christophe.roullier@foss.st.com>
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Date: Tue, 27 Aug 2024 16:04:51 +0200
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Subject: [PATCH] ARM: dts: stm32: add support of WLAN/BT on stm32mp157c-dk2
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Add support of WLAN/BT Murata Type 1DX module:
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- usart2 is used for Bluetooth interface
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- sdmmc2 is used for WLAN (sdio) interface
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Signed-off-by: Christophe Roullier <christophe.roullier@foss.st.com>
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Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
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Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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---
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arch/arm/boot/dts/st/stm32mp157c-dk2.dts | 41 +++++++++++++++++++++++-
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1 file changed, 40 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
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+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
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@@ -24,6 +24,11 @@
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chosen {
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stdout-path = "serial0:115200n8";
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};
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+
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+ wifi_pwrseq: wifi-pwrseq {
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+ compatible = "mmc-pwrseq-simple";
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+ reset-gpios = <&gpioh 4 GPIO_ACTIVE_LOW>;
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+ };
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};
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&cryp1 {
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@@ -94,10 +99,44 @@
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};
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};
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+/* Wifi */
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+&sdmmc2 {
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+ pinctrl-names = "default", "opendrain", "sleep";
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+ pinctrl-0 = <&sdmmc2_b4_pins_a>;
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+ pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
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+ pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
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+ non-removable;
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+ cap-sdio-irq;
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+ st,neg-edge;
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+ bus-width = <4>;
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+ vmmc-supply = <&v3v3>;
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+ mmc-pwrseq = <&wifi_pwrseq>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ brcmf: bcrmf@1 {
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+ reg = <1>;
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+ compatible = "brcm,bcm4329-fmac";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&rtc_lsco_pins_a>;
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+ };
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+};
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+
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+/* Bluetooth */
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&usart2 {
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pinctrl-names = "default", "sleep", "idle";
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pinctrl-0 = <&usart2_pins_c>;
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pinctrl-1 = <&usart2_sleep_pins_c>;
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pinctrl-2 = <&usart2_idle_pins_c>;
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- status = "disabled";
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+ uart-has-rtscts;
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+ status = "okay";
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+
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+ bluetooth {
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+ shutdown-gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>;
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+ compatible = "brcm,bcm43438-bt";
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+ max-speed = <3000000>;
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+ vbat-supply = <&v3v3>;
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+ vddio-supply = <&v3v3>;
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+ };
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};
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