[PATCH 2/3] arm64: dts: amlogic: Add Amlogic A4 reset controller

zelong dong
2024-07-03T06:31:31Z

From: Zelong Dong <zelong.dong@amlogic.com>

Add the device node and related header file for Amlogic
A4 reset controller. The count and offset for A4 Soc
RESET registers are same as S4 Soc.

Signed-off-by: Zelong Dong <zelong.dong@amlogic.com>
---
.../boot/dts/amlogic/amlogic-a4-common.dtsi | 7 ++
.../arm64/boot/dts/amlogic/amlogic-a4-reset.h | 93 +++++++++++++++++++
arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 1 +
3 files changed, 101 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
index b6106ad4a072..c527dfce65ab 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
@@ -52,6 +52,13 @@ apb: bus@fe000000 {
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;

+ reset: reset-controller@2000 {
+ compatible = "amlogic,a4-reset",
+ "amlogic,meson-s4-reset";
+ reg = <0x0 0x2000 0x0 0x98>;
+ #reset-cells = <1>;
+ };
+
uart_b: serial@7a000 {
compatible = "amlogic,a4-uart",
"amlogic,meson-s4-uart";
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 000000000000..f6a4c90bab3c
--- /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 de10e7aebf21..8a5fced0d70f 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>
/ {
cpus {
--
2.35.1