[PATCH v5 2/3] arm64: dts: amlogic: Add A4 Reset Controller
Kelvin Zhang
kelvin.zhang at amlogic.com
Fri Apr 11 01:23:37 PDT 2025
Hi Neil,
There’s a conflict in amlogic-a4-common.dtsi due to recent merges.
Should I rebase onto the latest code and send a v6?
On 2025/3/24 15:06, Neil Armstrong wrote:
>
> On 20/03/2025 10:42, Kelvin Zhang via B4 Relay wrote:
>> From: Zelong Dong <zelong.dong at amlogic.com>
>>
>> Add the device node and related header file for Amlogic
>> A4 reset controller.
>>
>> Signed-off-by: Zelong Dong <zelong.dong at amlogic.com>
>> Link: https://lore.kernel.org/r/20240918074211.8067-3-
>> zelong.dong at amlogic.com
>> Signed-off-by: Kelvin Zhang <kelvin.zhang at amlogic.com>
>> ---
>> 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
>> fa80fa365f13c4a93f5577f78bf2b3369cb91cb8..6537153b3026af1bf9d1df0a196619b716553cde 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 at 2000 {
>> + compatible = "amlogic,a4-reset",
>> + "amlogic,meson-s4-reset";
>> + reg = <0x0 0x2000 0x0 0x98>;
>> + #reset-cells = <1>;
>> + };
>> +
>> gpio_intc: interrupt-controller at 4080 {
>> compatible = "amlogic,a4-gpio-intc",
>> "amlogic,meson-gpio-intc";
>>
>
> Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
--
Best regards,
Kelvin Zhang
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