[v3,2/3] arm64: dts: amlogic: Add Amlogic A4 reset controller

Commit Message

zelong dong Sept. 18, 2024, 7:42 a.m. UTC

From: Zelong Dong <[e-mail]>

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 <[e-mail]>
---
 .../arm64/boot/dts/amlogic/amlogic-a4-reset.h | 93 +++++++++++++++++++
 arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi   | 10 ++
 2 files changed, 103 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-a4-reset.h

Patch

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..3fd1c52fb55b 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 {
@@ -48,3 +49,12 @@  pwrc: power-controller {
 		};
 	};
 };
+
+&apb {
+	reset: reset-controller@2000 {
+		compatible = "amlogic,a4-reset",
+			     "amlogic,meson-s4-reset";
+		reg = <0x0 0x2000 0x0 0x98>;
+		#reset-cells = <1>;
+	};
+};