Skip to content

Commit 90493b0

Browse files
bijudashorms
authored andcommitted
arm64: dts: renesas: Initial r8a774a1 SoC device tree
Basic support for the RZ/G2M SoC. Signed-off-by: Biju Das <biju.das@bp.renesas.com> Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 parent e3da41a commit 90493b0

File tree

1 file changed

+190
-0
lines changed

1 file changed

+190
-0
lines changed
Lines changed: 190 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,190 @@
1+
// SPDX-License-Identifier: GPL-2.0
2+
/*
3+
* Device Tree Source for the r8a774a1 SoC
4+
*
5+
* Copyright (C) 2018 Renesas Electronics Corp.
6+
*/
7+
8+
#include <dt-bindings/interrupt-controller/irq.h>
9+
#include <dt-bindings/interrupt-controller/arm-gic.h>
10+
#include <dt-bindings/clock/renesas-cpg-mssr.h>
11+
12+
/ {
13+
compatible = "renesas,r8a774a1";
14+
#address-cells = <2>;
15+
#size-cells = <2>;
16+
17+
/*
18+
* The external audio clocks are configured as 0 Hz fixed frequency
19+
* clocks by default.
20+
* Boards that provide audio clocks should override them.
21+
*/
22+
audio_clk_a: audio_clk_a {
23+
compatible = "fixed-clock";
24+
#clock-cells = <0>;
25+
clock-frequency = <0>;
26+
};
27+
28+
audio_clk_b: audio_clk_b {
29+
compatible = "fixed-clock";
30+
#clock-cells = <0>;
31+
clock-frequency = <0>;
32+
};
33+
34+
audio_clk_c: audio_clk_c {
35+
compatible = "fixed-clock";
36+
#clock-cells = <0>;
37+
clock-frequency = <0>;
38+
};
39+
40+
/* External CAN clock - to be overridden by boards that provide it */
41+
can_clk: can {
42+
compatible = "fixed-clock";
43+
#clock-cells = <0>;
44+
clock-frequency = <0>;
45+
};
46+
47+
cpus {
48+
#address-cells = <1>;
49+
#size-cells = <0>;
50+
51+
a57_0: cpu@0 {
52+
compatible = "arm,cortex-a57", "arm,armv8";
53+
reg = <0x0>;
54+
device_type = "cpu";
55+
power-domains = <&sysc 0>;
56+
next-level-cache = <&L2_CA57>;
57+
enable-method = "psci";
58+
clocks =<&cpg CPG_CORE 0>;
59+
};
60+
61+
a57_1: cpu@1 {
62+
compatible = "arm,cortex-a57", "arm,armv8";
63+
reg = <0x1>;
64+
device_type = "cpu";
65+
power-domains = <&sysc 1>;
66+
next-level-cache = <&L2_CA57>;
67+
enable-method = "psci";
68+
clocks =<&cpg CPG_CORE 0>;
69+
};
70+
71+
L2_CA57: cache-controller-0 {
72+
compatible = "cache";
73+
power-domains = <&sysc 12>;
74+
cache-unified;
75+
cache-level = <2>;
76+
};
77+
};
78+
79+
extal_clk: extal {
80+
compatible = "fixed-clock";
81+
#clock-cells = <0>;
82+
/* This value must be overridden by the board */
83+
clock-frequency = <0>;
84+
};
85+
86+
extalr_clk: extalr {
87+
compatible = "fixed-clock";
88+
#clock-cells = <0>;
89+
/* This value must be overridden by the board */
90+
clock-frequency = <0>;
91+
};
92+
93+
/* External PCIe clock - can be overridden by the board */
94+
pcie_bus_clk: pcie_bus {
95+
compatible = "fixed-clock";
96+
#clock-cells = <0>;
97+
clock-frequency = <0>;
98+
};
99+
100+
pmu_a57 {
101+
compatible = "arm,cortex-a57-pmu";
102+
interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
103+
<&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
104+
interrupt-affinity = <&a57_0>, <&a57_1>;
105+
};
106+
107+
psci {
108+
compatible = "arm,psci-1.0", "arm,psci-0.2";
109+
method = "smc";
110+
};
111+
112+
/* External SCIF clock - to be overridden by boards that provide it */
113+
scif_clk: scif {
114+
compatible = "fixed-clock";
115+
#clock-cells = <0>;
116+
clock-frequency = <0>;
117+
};
118+
119+
soc {
120+
compatible = "simple-bus";
121+
interrupt-parent = <&gic>;
122+
#address-cells = <2>;
123+
#size-cells = <2>;
124+
ranges;
125+
126+
cpg: clock-controller@e6150000 {
127+
compatible = "renesas,r8a774a1-cpg-mssr";
128+
reg = <0 0xe6150000 0 0x0bb0>;
129+
clocks = <&extal_clk>, <&extalr_clk>;
130+
clock-names = "extal", "extalr";
131+
#clock-cells = <2>;
132+
#power-domain-cells = <0>;
133+
#reset-cells = <1>;
134+
};
135+
136+
rst: reset-controller@e6160000 {
137+
compatible = "renesas,r8a774a1-rst";
138+
reg = <0 0xe6160000 0 0x018c>;
139+
};
140+
141+
sysc: system-controller@e6180000 {
142+
compatible = "renesas,r8a774a1-sysc";
143+
reg = <0 0xe6180000 0 0x0400>;
144+
#power-domain-cells = <1>;
145+
};
146+
147+
gic: interrupt-controller@f1010000 {
148+
compatible = "arm,gic-400";
149+
#interrupt-cells = <3>;
150+
#address-cells = <0>;
151+
interrupt-controller;
152+
reg = <0x0 0xf1010000 0 0x1000>,
153+
<0x0 0xf1020000 0 0x20000>,
154+
<0x0 0xf1040000 0 0x20000>,
155+
<0x0 0xf1060000 0 0x20000>;
156+
interrupts = <GIC_PPI 9
157+
(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
158+
clocks = <&cpg CPG_MOD 408>;
159+
clock-names = "clk";
160+
power-domains = <&sysc 32>;
161+
resets = <&cpg 408>;
162+
};
163+
164+
prr: chipid@fff00044 {
165+
compatible = "renesas,prr";
166+
reg = <0 0xfff00044 0 4>;
167+
};
168+
};
169+
170+
timer {
171+
compatible = "arm,armv8-timer";
172+
interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
173+
<&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
174+
<&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
175+
<&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
176+
};
177+
178+
/* External USB clocks - can be overridden by the board */
179+
usb3s0_clk: usb3s0 {
180+
compatible = "fixed-clock";
181+
#clock-cells = <0>;
182+
clock-frequency = <0>;
183+
};
184+
185+
usb_extal_clk: usb_extal {
186+
compatible = "fixed-clock";
187+
#clock-cells = <0>;
188+
clock-frequency = <0>;
189+
};
190+
};

0 commit comments

Comments
 (0)