[v2,3/3] arm64: dts: amlogic: Add Amlogic A5 reset controller

Commit Message

zelong dong July 15, 2024, 5:12 a.m. UTC

From: Zelong Dong <[e-mail]>

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 <[e-mail]>
---
 .../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

Patch

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>;
+	};
+};