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1 From 69da0bd66630848403a1ccbb927d5325fc54381e Mon Sep 17 00:00:00 2001
2 From: Marc Kleine-Budde <mkl@pengutronix.de>
3 Date: Sat, 2 Jan 2021 21:08:59 +0100
4 Subject: [PATCH] overlays: give Seeed Studio CAN BUS FD HAT a -v2
5 postfix
6
7 There are several versions of the Seeed Studio CAN BUS FD HAT. This is the
8 second version, based on the mcp2518fd, so give it a -v2 postfix.
9
10 Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
11 ---
12 arch/arm/boot/dts/overlays/Makefile | 2 +-
13 arch/arm/boot/dts/overlays/README | 8 ++++----
14 ...fd-hat-overlay.dts => seeed-can-fd-hat-v2-overlay.dts} | 0
15 3 files changed, 5 insertions(+), 5 deletions(-)
16 rename arch/arm/boot/dts/overlays/{seeed-can-fd-hat-overlay.dts => seeed-can-fd-hat-v2-overlay.dts} (100%)
17
18 --- a/arch/arm/boot/dts/overlays/Makefile
19 +++ b/arch/arm/boot/dts/overlays/Makefile
20 @@ -161,7 +161,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
21 sc16is752-spi1.dtbo \
22 sdhost.dtbo \
23 sdio.dtbo \
24 - seeed-can-fd-hat.dtbo \
25 + seeed-can-fd-hat-v2.dtbo \
26 sh1106-spi.dtbo \
27 smi.dtbo \
28 smi-dev.dtbo \
29 --- a/arch/arm/boot/dts/overlays/README
30 +++ b/arch/arm/boot/dts/overlays/README
31 @@ -2504,11 +2504,11 @@ Info: This overlay is now deprecated.
32 Load: <Deprecated>
33
34
35 -Name: seeed-can-fd-hat
36 -Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels and an
37 - RTC.
38 +Name: seeed-can-fd-hat-v2
39 +Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels
40 + (based on the mcp2518fd) and an RTC.
41 https://www.seeedstudio.com/CAN-BUS-FD-HAT-for-Raspberry-Pi-p-4742.html
42 -Load: dtoverlay=seeed-can-fd-hat
43 +Load: dtoverlay=seeed-can-fd-hat-v2
44 Params: <None>
45
46
47 --- a/arch/arm/boot/dts/overlays/seeed-can-fd-hat-overlay.dts
48 +++ /dev/null
49 @@ -1,117 +0,0 @@
50 -// redo: ovmerge -c mcp251xfd-overlay.dts,spi0-0,interrupt=25 mcp251xfd-overlay.dts,spi0-1,interrupt=24 i2c-rtc-overlay.dts,pcf85063
51 -
52 -// Device tree overlay for https://www.seeedstudio.com/CAN-BUS-FD-HAT-for-Raspberry-Pi-p-4742.html
53 -
54 -/dts-v1/;
55 -/plugin/;
56 -
57 -#include <dt-bindings/gpio/gpio.h>
58 -#include <dt-bindings/interrupt-controller/irq.h>
59 -#include <dt-bindings/pinctrl/bcm2835.h>
60 -
61 -/ {
62 - compatible = "brcm,bcm2835";
63 - fragment@0 {
64 - target = <&spidev0>;
65 - __overlay__ {
66 - status = "disabled";
67 - };
68 - };
69 - fragment@1 {
70 - target = <&gpio>;
71 - __overlay__ {
72 - mcp251xfd_pins: mcp251xfd_spi0_0_pins {
73 - brcm,pins = <25>;
74 - brcm,function = <BCM2835_FSEL_GPIO_IN>;
75 - };
76 - };
77 - };
78 - fragment@2 {
79 - target-path = "/clocks";
80 - __overlay__ {
81 - clk_mcp251xfd_osc: mcp251xfd-spi0-0-osc {
82 - #clock-cells = <0>;
83 - compatible = "fixed-clock";
84 - clock-frequency = <40000000>;
85 - };
86 - };
87 - };
88 - fragment@3 {
89 - target = <&spi0>;
90 - __overlay__ {
91 - status = "okay";
92 - #address-cells = <1>;
93 - #size-cells = <0>;
94 - mcp251xfd@0 {
95 - compatible = "microchip,mcp251xfd";
96 - reg = <0>;
97 - pinctrl-names = "default";
98 - pinctrl-0 = <&mcp251xfd_pins>;
99 - spi-max-frequency = <20000000>;
100 - interrupt-parent = <&gpio>;
101 - interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
102 - clocks = <&clk_mcp251xfd_osc>;
103 - };
104 - };
105 - };
106 - fragment@4 {
107 - target = <&spidev1>;
108 - __overlay__ {
109 - status = "disabled";
110 - };
111 - };
112 - fragment@5 {
113 - target = <&gpio>;
114 - __overlay__ {
115 - mcp251xfd_pins_1: mcp251xfd_spi0_1_pins {
116 - brcm,pins = <24>;
117 - brcm,function = <BCM2835_FSEL_GPIO_IN>;
118 - };
119 - };
120 - };
121 - fragment@6 {
122 - target-path = "/clocks";
123 - __overlay__ {
124 - clk_mcp251xfd_osc_1: mcp251xfd-spi0-1-osc {
125 - #clock-cells = <0>;
126 - compatible = "fixed-clock";
127 - clock-frequency = <40000000>;
128 - };
129 - };
130 - };
131 - fragment@7 {
132 - target = <&spi0>;
133 - __overlay__ {
134 - status = "okay";
135 - #address-cells = <1>;
136 - #size-cells = <0>;
137 - mcp251xfd@1 {
138 - compatible = "microchip,mcp251xfd";
139 - reg = <1>;
140 - pinctrl-names = "default";
141 - pinctrl-0 = <&mcp251xfd_pins_1>;
142 - spi-max-frequency = <20000000>;
143 - interrupt-parent = <&gpio>;
144 - interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
145 - clocks = <&clk_mcp251xfd_osc_1>;
146 - };
147 - };
148 - };
149 - fragment@8 {
150 - target = <&i2cbus>;
151 - __overlay__ {
152 - #address-cells = <1>;
153 - #size-cells = <0>;
154 - pcf85063@51 {
155 - compatible = "nxp,pcf85063";
156 - reg = <0x51>;
157 - };
158 - };
159 - };
160 - fragment@9 {
161 - target = <&i2c_arm>;
162 - i2cbus: __overlay__ {
163 - status = "okay";
164 - };
165 - };
166 -};
167 --- /dev/null
168 +++ b/arch/arm/boot/dts/overlays/seeed-can-fd-hat-v2-overlay.dts
169 @@ -0,0 +1,117 @@
170 +// redo: ovmerge -c mcp251xfd-overlay.dts,spi0-0,interrupt=25 mcp251xfd-overlay.dts,spi0-1,interrupt=24 i2c-rtc-overlay.dts,pcf85063
171 +
172 +// Device tree overlay for https://www.seeedstudio.com/CAN-BUS-FD-HAT-for-Raspberry-Pi-p-4742.html
173 +
174 +/dts-v1/;
175 +/plugin/;
176 +
177 +#include <dt-bindings/gpio/gpio.h>
178 +#include <dt-bindings/interrupt-controller/irq.h>
179 +#include <dt-bindings/pinctrl/bcm2835.h>
180 +
181 +/ {
182 + compatible = "brcm,bcm2835";
183 + fragment@0 {
184 + target = <&spidev0>;
185 + __overlay__ {
186 + status = "disabled";
187 + };
188 + };
189 + fragment@1 {
190 + target = <&gpio>;
191 + __overlay__ {
192 + mcp251xfd_pins: mcp251xfd_spi0_0_pins {
193 + brcm,pins = <25>;
194 + brcm,function = <BCM2835_FSEL_GPIO_IN>;
195 + };
196 + };
197 + };
198 + fragment@2 {
199 + target-path = "/clocks";
200 + __overlay__ {
201 + clk_mcp251xfd_osc: mcp251xfd-spi0-0-osc {
202 + #clock-cells = <0>;
203 + compatible = "fixed-clock";
204 + clock-frequency = <40000000>;
205 + };
206 + };
207 + };
208 + fragment@3 {
209 + target = <&spi0>;
210 + __overlay__ {
211 + status = "okay";
212 + #address-cells = <1>;
213 + #size-cells = <0>;
214 + mcp251xfd@0 {
215 + compatible = "microchip,mcp251xfd";
216 + reg = <0>;
217 + pinctrl-names = "default";
218 + pinctrl-0 = <&mcp251xfd_pins>;
219 + spi-max-frequency = <20000000>;
220 + interrupt-parent = <&gpio>;
221 + interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
222 + clocks = <&clk_mcp251xfd_osc>;
223 + };
224 + };
225 + };
226 + fragment@4 {
227 + target = <&spidev1>;
228 + __overlay__ {
229 + status = "disabled";
230 + };
231 + };
232 + fragment@5 {
233 + target = <&gpio>;
234 + __overlay__ {
235 + mcp251xfd_pins_1: mcp251xfd_spi0_1_pins {
236 + brcm,pins = <24>;
237 + brcm,function = <BCM2835_FSEL_GPIO_IN>;
238 + };
239 + };
240 + };
241 + fragment@6 {
242 + target-path = "/clocks";
243 + __overlay__ {
244 + clk_mcp251xfd_osc_1: mcp251xfd-spi0-1-osc {
245 + #clock-cells = <0>;
246 + compatible = "fixed-clock";
247 + clock-frequency = <40000000>;
248 + };
249 + };
250 + };
251 + fragment@7 {
252 + target = <&spi0>;
253 + __overlay__ {
254 + status = "okay";
255 + #address-cells = <1>;
256 + #size-cells = <0>;
257 + mcp251xfd@1 {
258 + compatible = "microchip,mcp251xfd";
259 + reg = <1>;
260 + pinctrl-names = "default";
261 + pinctrl-0 = <&mcp251xfd_pins_1>;
262 + spi-max-frequency = <20000000>;
263 + interrupt-parent = <&gpio>;
264 + interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
265 + clocks = <&clk_mcp251xfd_osc_1>;
266 + };
267 + };
268 + };
269 + fragment@8 {
270 + target = <&i2cbus>;
271 + __overlay__ {
272 + #address-cells = <1>;
273 + #size-cells = <0>;
274 + pcf85063@51 {
275 + compatible = "nxp,pcf85063";
276 + reg = <0x51>;
277 + };
278 + };
279 + };
280 + fragment@9 {
281 + target = <&i2c_arm>;
282 + i2cbus: __overlay__ {
283 + status = "okay";
284 + };
285 + };
286 +};
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