From: Zelong Dong <zelong.dong@xxxxxxxxxxx> Add the device node and related header file for Amlogic A4 reset controller. Signed-off-by: Zelong Dong <zelong.dong@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20240918074211.8067-3-zelong.dong@xxxxxxxxxxx Signed-off-by: Kelvin Zhang <kelvin.zhang@xxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h | 93 ++++++++++++++++++++++++++ arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 8 +++ 2 files changed, 101 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h b/arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h new file mode 100644 index 0000000000000000000000000000000000000000..f6a4c90bab3cf7cfaa3c98c522bed5e455b73bd3 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h @@ -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 diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi index efba8565af3cf5298f894819572d78e0c0041f71..02365494d8655f8cf97f0ffdc9a9566e42ab61ae 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi @@ -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 @@ pwrc: power-controller { }; &apb { + reset: reset-controller@2000 { + compatible = "amlogic,a4-reset", + "amlogic,meson-s4-reset"; + reg = <0x0 0x2000 0x0 0x98>; + #reset-cells = <1>; + }; + periphs_pinctrl: pinctrl { compatible = "amlogic,pinctrl-a4"; #address-cells = <2>; -- 2.37.1
