Add RMU (Reset Management Unit) support for the Actions Semi S900
SoC which is a part of the Actions Semi Owl family series.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>
---
.../bindings/reset/actions,owl-reset.txt | 33 ++++++++++
include/dt-bindings/reset/actions,s900-rmu.h | 65 +++++++++++++++++++
2 files changed, 98 insertions(+)
create mode 100644
Documentation/devicetree/bindings/reset/actions,owl-reset.txt
create mode 100644 include/dt-bindings/reset/actions,s900-rmu.h
diff --git a/Documentation/devicetree/bindings/reset/actions,owl-reset.txt
b/Documentation/devicetree/bindings/reset/actions,owl-reset.txt
new file mode 100644
index 000000000000..38e2c7051d86
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/actions,owl-reset.txt
@@ -0,0 +1,33 @@
+Actions Semi Owl SoCs Reset Management Unit (RMU)
+=================================================
+
+Please also refer to reset.txt in this directory for common reset
+controller binding usage.
+
+The RMU registers are part of the system-controller block on Owl SoCs.
+
+Required properties:
+- compatible: Should be "actions,s900-rmu"
+- #reset-cells: Should be 1
+
+All available resets are defined as preprocessor macros in corresponding
+dt-bindings/reset/actions,s900-rmu.h header and can be used in device
+tree sources.
+
+Parent node should have the following properties :
+- compatible: "syscon", "simple-mfd"
+- reg: physical base address of the system controller and length of
+ memory mapped region.
+
+Example:
+
+ sysctrl: system-controller@e0160000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x0 0xe0160000 0x0 0x1000>;
+
+ rmu: reset-controller {
+ compatible = "actions,s900-rmu";
+ #reset-cells = <1>;
+ };
+ };
+
diff --git a/include/dt-bindings/reset/actions,s900-rmu.h
b/include/dt-bindings/reset/actions,s900-rmu.h
new file mode 100644
index 000000000000..09e6dca46936
--- /dev/null
+++ b/include/dt-bindings/reset/actions,s900-rmu.h
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+//
+// Device Tree binding constants for Actions Semi S900 Reset Management Unit
+//
+// Copyright (c) 2018 Linaro Ltd.
+
+#ifndef _DT_BINDINGS_ACTIONS_S900_RESET_H
+#define _DT_BINDINGS_ACTIONS_S900_RESET_H
+
+#define S900_RESET_CHIPID 0
+#define S900_RESET_CPU_SCNT 1
+#define S900_RESET_SRAMI 2
+#define S900_RESET_DDR_CTL_PHY 3
+#define S900_RESET_DMAC 4
+#define S900_RESET_GPIO 5
+#define S900_RESET_BISP_AXI 6
+#define S900_RESET_CSI0 7
+#define S900_RESET_CSI1 8
+#define S900_RESET_DE 9
+#define S900_RESET_DSI 10
+#define S900_RESET_GPU3D_PA 11
+#define S900_RESET_GPU3D_PB 12
+#define S900_RESET_HDE 13
+#define S900_RESET_I2C0 14
+#define S900_RESET_I2C1 15
+#define S900_RESET_I2C2 16
+#define S900_RESET_I2C3 17
+#define S900_RESET_I2C4 18
+#define S900_RESET_I2C5 19
+#define S900_RESET_IMX 20
+#define S900_RESET_NANDC0 21
+#define S900_RESET_NANDC1 22
+#define S900_RESET_SD0 23
+#define S900_RESET_SD1 24
+#define S900_RESET_SD2 25
+#define S900_RESET_SD3 26
+#define S900_RESET_SPI0 27
+#define S900_RESET_SPI1 28
+#define S900_RESET_SPI2 29
+#define S900_RESET_SPI3 30
+#define S900_RESET_UART0 31
+#define S900_RESET_UART1 32
+#define S900_RESET_UART2 33
+#define S900_RESET_UART3 34
+#define S900_RESET_UART4 35
+#define S900_RESET_UART5 36
+#define S900_RESET_UART6 37
+#define S900_RESET_HDMI 38
+#define S900_RESET_LVDS 39
+#define S900_RESET_EDP 40
+#define S900_RESET_USB2HUB 41
+#define S900_RESET_USB2HSIC 42
+#define S900_RESET_USB3 43
+#define S900_RESET_PCM1 44
+#define S900_RESET_AUDIO 45
+#define S900_RESET_PCM0 46
+#define S900_RESET_SE 47
+#define S900_RESET_GIC 48
+#define S900_RESET_DDR_CTL_PHY_AXI 49
+#define S900_RESET_CMU_DDR 50
+#define S900_RESET_DMM 51
+#define S900_RESET_HDCP2TX 52
+#define S900_RESET_ETHERNET 53
+
+#endif /* _DT_BINDINGS_ACTIONS_S900_RESET_H */
--
2.17.1
