[PATCH v2 3/3] arm64: dts: amlogic: Add Amlogic A5 reset controller
From: zelong dong
Date: Mon Jul 15 2024 - 01:28:27 EST
From: Zelong Dong <zelong.dong@xxxxxxxxxxx>
Add the device node and related header file for Amlogic
A5 reset controller. The count and offset for A5 Soc
RESET registers are same as S4 Soc.
Signed-off-by: Zelong Dong <zelong.dong@xxxxxxxxxxx>
---
.../arm64/boot/dts/amlogic/amlogic-a5-reset.h | 95 +++++++++++++++++++
arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi | 10 ++
2 files changed, 105 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-a5-reset.h
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a5-reset.h b/arch/arm64/boot/dts/amlogic/amlogic-a5-reset.h
new file mode 100644
index 000000000000..cdf0f5159620
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a5-reset.h
@@ -0,0 +1,95 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (c) 2024 Amlogic, Inc. All rights reserved.
+ */
+
+#ifndef __DTS_AMLOGIC_A5_RESET_H
+#define __DTS_AMLOGIC_A5_RESET_H
+
+/* RESET0 */
+/* 0-3 */
+#define RESET_USB 4
+/* 5-7 */
+#define RESET_USBPHY20 8
+/* 9 */
+#define RESET_USB2DRD 10
+/* 11-31 */
+
+/* RESET1 */
+#define RESET_AUDIO 32
+#define RESET_AUDIO_VAD 33
+/* 34 */
+#define RESET_DDR_APB 35
+#define RESET_DDR 36
+/* 37-40 */
+#define RESET_DSPA_DEBUG 41
+/* 42 */
+#define RESET_DSPA 43
+/* 44-46 */
+#define RESET_NNA 47
+#define RESET_ETHERNET 48
+/* 49-63 */
+
+/* RESET2 */
+#define RESET_ABUS_ARB 64
+#define RESET_IRCTRL 65
+/* 66 */
+#define RESET_TS_PLL 67
+/* 68-72 */
+#define RESET_SPICC_0 73
+#define RESET_SPICC_1 74
+#define RESET_RSA 75
+
+/* 76-79 */
+#define RESET_MSR_CLK 80
+#define RESET_SPIFC 81
+#define RESET_SAR_ADC 82
+/* 83-90 */
+#define RESET_WATCHDOG 91
+/* 92-95 */
+
+/* RESET3 */
+/* 96-127 */
+
+/* RESET4 */
+#define RESET_RTC 128
+/* 129-131 */
+#define RESET_PWM_AB 132
+#define RESET_PWM_CD 133
+#define RESET_PWM_EF 134
+#define RESET_PWM_GH 135
+/* 104-105 */
+#define RESET_UART_A 138
+#define RESET_UART_B 139
+#define RESET_UART_C 140
+#define RESET_UART_D 141
+#define RESET_UART_E 142
+/* 143*/
+#define RESET_I2C_S_A 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
+#define RESET_BRG_AO_NIC_DSPA 177
+#define RESET_BRG_AO_NIC_MAIN 178
+#define RESET_BRG_AO_NIC_AUDIO 179
+/* 180-183 */
+#define RESET_BRG_AO_NIC_ALL 184
+#define RESET_BRG_NIC_NNA 185
+#define RESET_BRG_NIC_SDIO 186
+#define RESET_BRG_NIC_EMMC 187
+#define RESET_BRG_NIC_DSU 188
+#define RESET_BRG_NIC_SYSCLK 189
+#define RESET_BRG_NIC_MAIN 190
+#define RESET_BRG_NIC_ALL 191
+
+#endif
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
index 43f68a7da2f7..aa035c5c63af 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
@@ -4,6 +4,7 @@
*/
#include "amlogic-a4-common.dtsi"
+#include "amlogic-a5-reset.h"
/ {
cpus {
#address-cells = <2>;
@@ -38,3 +39,12 @@ cpu3: cpu@300 {
};
};
};
+
+&apb {
+ reset: reset-controller@2000 {
+ compatible = "amlogic,a5-reset",
+ "amlogic,meson-s4-reset";
+ reg = <0x0 0x2000 0x0 0x98>;
+ #reset-cells = <1>;
+ };
+};
--
2.35.1