mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-04 18:49:41 +00:00
c07da6de0e
Blaize BLZP1600 uses the custom silicon provided from VeriSilicon to add GPIO support. This interface is used to control signals on many other peripherals, such as Ethernet, USB, SD and eMMC. Signed-off-by: Nikolaos Pasaloukos <nikolaos.pasaloukos@blaize.com> Link: https://lore.kernel.org/r/20250512133302.151621-1-nikolaos.pasaloukos@blaize.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
120 lines
2.9 KiB
Plaintext
120 lines
2.9 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2024 Blaize, Inc. All rights reserved.
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*/
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/dts-v1/;
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#include "blaize-blzp1600-som.dtsi"
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/ {
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model = "Blaize BLZP1600 SoM1600P CB2 Development Board";
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compatible = "blaize,blzp1600-cb2", "blaize,blzp1600";
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aliases {
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serial0 = &uart0;
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};
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chosen {
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stdout-path = "serial0:115200";
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};
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};
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&i2c0 {
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clock-frequency = <100000>;
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status = "okay";
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};
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&i2c1 {
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clock-frequency = <100000>;
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status = "okay";
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};
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&i2c3 {
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clock-frequency = <100000>;
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status = "okay";
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gpio_expander: gpio@74 {
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compatible = "ti,tca9539";
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reg = <0x74>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names = "RSP_PIN_7", /* GPIO_0 */
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"RSP_PIN_11", /* GPIO_1 */
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"RSP_PIN_13", /* GPIO_2 */
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"RSP_PIN_15", /* GPIO_3 */
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"RSP_PIN_27", /* GPIO_4 */
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"RSP_PIN_29", /* GPIO_5 */
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"RSP_PIN_31", /* GPIO_6 */
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"RSP_PIN_33", /* GPIO_7 */
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"RSP_PIN_37", /* GPIO_8 */
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"RSP_PIN_16", /* GPIO_9 */
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"RSP_PIN_18", /* GPIO_10 */
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"RSP_PIN_22", /* GPIO_11 */
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"RSP_PIN_28", /* GPIO_12 */
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"RSP_PIN_32", /* GPIO_13 */
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"RSP_PIN_36", /* GPIO_14 */
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"TP31"; /* GPIO_15 */
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};
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gpio_expander_m2: gpio@75 {
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compatible = "ti,tca9539";
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reg = <0x75>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names = "M2_W_DIS1_N", /* GPIO_0 */
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"M2_W_DIS2_N", /* GPIO_1 */
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"M2_UART_WAKE_N", /* GPIO_2 */
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"M2_COEX3", /* GPIO_3 */
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"M2_COEX_RXD", /* GPIO_4 */
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"M2_COEX_TXD", /* GPIO_5 */
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"M2_VENDOR_PIN40", /* GPIO_6 */
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"M2_VENDOR_PIN42", /* GPIO_7 */
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"M2_VENDOR_PIN38", /* GPIO_8 */
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"M2_SDIO_RST_N", /* GPIO_9 */
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"M2_SDIO_WAKE_N", /* GPIO_10 */
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"M2_PETN1", /* GPIO_11 */
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"M2_PERP1", /* GPIO_12 */
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"M2_PERN1", /* GPIO_13 */
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"UIM_SWP", /* GPIO_14 */
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"UART1_TO_RSP"; /* GPIO_15 */
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};
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};
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&gpio0 {
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status = "okay";
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gpio-line-names = "PERST_N", /* GPIO_0 */
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"LM96063_ALERT_N", /* GPIO_1 */
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"INA3221_PV", /* GPIO_2 */
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"INA3221_CRIT", /* GPIO_3 */
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"INA3221_WARN", /* GPIO_4 */
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"INA3221_TC", /* GPIO_5 */
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"QSPI0_RST_N", /* GPIO_6 */
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"LM96063_TCRIT_N", /* GPIO_7 */
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"DSI_TCH_INT", /* GPIO_8 */
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"DSI_RST", /* GPIO_9 */
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"DSI_BL", /* GPIO_10 */
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"DSI_INT", /* GPIO_11 */
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"ETH_RST", /* GPIO_12 */
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"CSI0_RST", /* GPIO_13 */
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"CSI0_PWDN", /* GPIO_14 */
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"CSI1_RST", /* GPIO_15 */
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"CSI1_PWDN", /* GPIO_16 */
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"CSI2_RST", /* GPIO_17 */
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"CSI2_PWDN", /* GPIO_18 */
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"CSI3_RST", /* GPIO_19 */
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"CSI3_PWDN", /* GPIO_20 */
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"ADAC_RST", /* GPIO_21 */
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"SD_SW_VDD", /* GPIO_22 */
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"SD_PON_VDD", /* GPIO_23 */
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"GPIO_EXP_INT", /* GPIO_24 */
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"BOARD_ID_0", /* GPIO_25 */
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"SDIO1_SW_VDD", /* GPIO_26 */
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"SDIO1_PON_VDD", /* GPIO_27 */
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"SDIO2_SW_VDD", /* GPIO_28 */
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"SDIO2_PON_VDD", /* GPIO_29 */
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"BOARD_ID_1", /* GPIO_30 */
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"BOARD_ID_2"; /* GPIO_31 */
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};
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