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arm64: dts: amlogic: Add A4 Reset Controller

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Add the device node and related header file for Amlogic
A4 reset controller.

Signed-off-by: Zelong Dong <zelong.dong@amlogic.com>
Link: https://lore.kernel.org/r/20240918074211.8067-3-zelong.dong@amlogic.com
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Kelvin Zhang <kelvin.zhang@amlogic.com>
Link: https://lore.kernel.org/r/20250411-a4-a5-reset-v6-2-89963278c686@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Zelong Dong 2025-04-11 19:38:16 +08:00 • committed by Neil Armstrong
parent f5d4227c6d
commit 946b51882b
2 changed files with 101 additions and 0 deletions
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93
arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h Normal file
View file

@ -0,0 +1,93 @@
/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
/*
* Copyright (c) 2024 Amlogic, Inc. All rights reserved.
*/
#ifndef __DTS_AMLOGIC_A4_RESET_H
#define __DTS_AMLOGIC_A4_RESET_H
/* RESET0 */
/* 0-3 */
#define RESET_USB 4
/* 5-6*/
#define RESET_U2PHY22 7
#define RESET_USBPHY20 8
#define RESET_U2PHY21 9
#define RESET_USB2DRD 10
#define RESET_U2H 11
#define RESET_LED_CTRL 12
/* 13-31 */
/* RESET1 */
#define RESET_AUDIO 32
#define RESET_AUDIO_VAD 33
/* 34*/
#define RESET_DDR_APB 35
#define RESET_DDR 36
#define RESET_VOUT_VENC 37
#define RESET_VOUT 38
/* 39-47 */
#define RESET_ETHERNET 48
/* 49-63 */
/* RESET2 */
#define RESET_DEVICE_MMC_ARB 64
#define RESET_IRCTRL 65
/* 66*/
#define RESET_TS_PLL 67
/* 68-72*/
#define RESET_SPICC_0 73
#define RESET_SPICC_1 74
/* 75-79*/
#define RESET_MSR_CLK 80
/* 81*/
#define RESET_SAR_ADC 82
/* 83-87*/
#define RESET_ACODEC 88
/* 89-90*/
#define RESET_WATCHDOG 91
/* 92-95*/
/* RESET3 */
/* 96-127 */
/* RESET4 */
/* 128-131 */
#define RESET_PWM_AB 132
#define RESET_PWM_CD 133
#define RESET_PWM_EF 134
#define RESET_PWM_GH 135
/* 136-137*/
#define RESET_UART_A 138
#define RESET_UART_B 139
/* 140*/
#define RESET_UART_D 141
#define RESET_UART_E 142
/* 143-144*/
#define RESET_I2C_M_A 145
#define RESET_I2C_M_B 146
#define RESET_I2C_M_C 147
#define RESET_I2C_M_D 148
/* 149-151*/
#define RESET_SDEMMC_A 152
/* 153*/
#define RESET_SDEMMC_C 154
/* 155-159*/
/* RESET5 */
/* 160-175*/
#define RESET_BRG_AO_NIC_SYS 176
/* 177*/
#define RESET_BRG_AO_NIC_MAIN 178
#define RESET_BRG_AO_NIC_AUDIO 179
/* 180-183*/
#define RESET_BRG_AO_NIC_ALL 184
/* 185*/
#define RESET_BRG_NIC_SDIO 186
#define RESET_BRG_NIC_EMMC 187
#define RESET_BRG_NIC_DSU 188
#define RESET_BRG_NIC_CLK81 189
#define RESET_BRG_NIC_MAIN 190
#define RESET_BRG_NIC_ALL 191
#endif

8
arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
View file

@ -4,6 +4,7 @@
*/
#include "amlogic-a4-common.dtsi"
#include "amlogic-a4-reset.h"
#include <dt-bindings/power/amlogic,a4-pwrc.h>
#include <dt-bindings/pinctrl/amlogic,pinctrl.h>
/ {
@ -51,6 +52,13 @@
};
&apb {
reset: reset-controller@2000 {
compatible = "amlogic,a4-reset",
"amlogic,meson-s4-reset";
reg = <0x0 0x2000 0x0 0x98>;
#reset-cells = <1>;
};
periphs_pinctrl: pinctrl@4000 {
compatible = "amlogic,pinctrl-a4";
#address-cells = <2>;