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-rw-r--r--arch/powerpc/boot/dts/pdm360ng.dts410
-rw-r--r--arch/powerpc/platforms/512x/Kconfig7
-rw-r--r--arch/powerpc/platforms/512x/Makefile1
-rw-r--r--arch/powerpc/platforms/512x/pdm360ng.c129
4 files changed, 547 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/pdm360ng.dts b/arch/powerpc/boot/dts/pdm360ng.dts
new file mode 100644
index 000000000000..94dfa5c9a7f9
--- /dev/null
+++ b/arch/powerpc/boot/dts/pdm360ng.dts
@@ -0,0 +1,410 @@
1/*
2 * Device Tree Source for IFM PDM360NG.
3 *
4 * Copyright 2009 - 2010 DENX Software Engineering.
5 * Anatolij Gustschin <agust@denx.de>
6 *
7 * Based on MPC5121E ADS dts.
8 * Copyright 2008 Freescale Semiconductor Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15
16/dts-v1/;
17
18/ {
19 model = "pdm360ng";
20 compatible = "ifm,pdm360ng";
21 #address-cells = <1>;
22 #size-cells = <1>;
23 interrupt-parent = <&ipic>;
24
25 aliases {
26 ethernet0 = &eth0;
27 };
28
29 cpus {
30 #address-cells = <1>;
31 #size-cells = <0>;
32
33 PowerPC,5121@0 {
34 device_type = "cpu";
35 reg = <0>;
36 d-cache-line-size = <0x20>; // 32 bytes
37 i-cache-line-size = <0x20>; // 32 bytes
38 d-cache-size = <0x8000>; // L1, 32K
39 i-cache-size = <0x8000>; // L1, 32K
40 timebase-frequency = <49500000>;// 49.5 MHz (csb/4)
41 bus-frequency = <198000000>; // 198 MHz csb bus
42 clock-frequency = <396000000>; // 396 MHz ppc core
43 };
44 };
45
46 memory {
47 device_type = "memory";
48 reg = <0x00000000 0x20000000>; // 512MB at 0
49 };
50
51 nfc@40000000 {
52 compatible = "fsl,mpc5121-nfc";
53 reg = <0x40000000 0x100000>;
54 interrupts = <0x6 0x8>;
55 #address-cells = <0x1>;
56 #size-cells = <0x1>;
57 bank-width = <0x1>;
58 chips = <0x1>;
59
60 partition@0 {
61 label = "nand0";
62 reg = <0x0 0x40000000>;
63 };
64 };
65
66 sram@50000000 {
67 compatible = "fsl,mpc5121-sram";
68 reg = <0x50000000 0x20000>; // 128K at 0x50000000
69 };
70
71 localbus@80000020 {
72 compatible = "fsl,mpc5121-localbus";
73 #address-cells = <2>;
74 #size-cells = <1>;
75 reg = <0x80000020 0x40>;
76
77 ranges = <0x0 0x0 0xf0000000 0x10000000 /* Flash */
78 0x2 0x0 0x50040000 0x00020000>; /* CS2: MRAM */
79
80 flash@0,0 {
81 compatible = "amd,s29gl01gp", "cfi-flash";
82 reg = <0 0x00000000 0x08000000
83 0 0x08000000 0x08000000>;
84 #address-cells = <1>;
85 #size-cells = <1>;
86 bank-width = <4>;
87 device-width = <2>;
88
89 partition@0 {
90 label = "u-boot";
91 reg = <0x00000000 0x00080000>;
92 read-only;
93 };
94 partition@80000 {
95 label = "environment";
96 reg = <0x00080000 0x00080000>;
97 read-only;
98 };
99 partition@100000 {
100 label = "splash-image";
101 reg = <0x00100000 0x00080000>;
102 read-only;
103 };
104 partition@180000 {
105 label = "device-tree";
106 reg = <0x00180000 0x00040000>;
107 };
108 partition@1c0000 {
109 label = "kernel";
110 reg = <0x001c0000 0x00500000>;
111 };
112 partition@6c0000 {
113 label = "filesystem";
114 reg = <0x006c0000 0x07940000>;
115 };
116 };
117
118 mram0@2,0 {
119 compatible = "mtd-ram";
120 reg = <2 0x00000 0x10000>;
121 bank-width = <2>;
122 };
123
124 mram1@2,10000 {
125 compatible = "mtd-ram";
126 reg = <2 0x010000 0x10000>;
127 bank-width = <2>;
128 };
129 };
130
131 soc@80000000 {
132 compatible = "fsl,mpc5121-immr";
133 #address-cells = <1>;
134 #size-cells = <1>;
135 #interrupt-cells = <2>;
136 ranges = <0x0 0x80000000 0x400000>;
137 reg = <0x80000000 0x400000>;
138 bus-frequency = <66000000>; // 66 MHz ips bus
139
140 // IPIC
141 // interrupts cell = <intr #, sense>
142 // sense values match linux IORESOURCE_IRQ_* defines:
143 // sense == 8: Level, low assertion
144 // sense == 2: Edge, high-to-low change
145 //
146 ipic: interrupt-controller@c00 {
147 compatible = "fsl,mpc5121-ipic", "fsl,ipic";
148 interrupt-controller;
149 #address-cells = <0>;
150 #interrupt-cells = <2>;
151 reg = <0xc00 0x100>;
152 };
153
154 rtc@a00 { // Real time clock
155 compatible = "fsl,mpc5121-rtc";
156 reg = <0xa00 0x100>;
157 interrupts = <79 0x8 80 0x8>;
158 };
159
160 reset@e00 { // Reset module
161 compatible = "fsl,mpc5121-reset";
162 reg = <0xe00 0x100>;
163 };
164
165 clock@f00 { // Clock control
166 compatible = "fsl,mpc5121-clock";
167 reg = <0xf00 0x100>;
168 };
169
170 pmc@1000{ //Power Management Controller
171 compatible = "fsl,mpc5121-pmc";
172 reg = <0x1000 0x100>;
173 interrupts = <83 0x2>;
174 };
175
176 gpio@1100 {
177 compatible = "fsl,mpc5121-gpio";
178 reg = <0x1100 0x100>;
179 interrupts = <78 0x8>;
180 };
181
182 can@1300 {
183 compatible = "fsl,mpc5121-mscan";
184 interrupts = <12 0x8>;
185 reg = <0x1300 0x80>;
186 };
187
188 can@1380 {
189 compatible = "fsl,mpc5121-mscan";
190 interrupts = <13 0x8>;
191 reg = <0x1380 0x80>;
192 };
193
194 i2c@1700 {
195 #address-cells = <1>;
196 #size-cells = <0>;
197 compatible = "fsl,mpc5121-i2c";
198 reg = <0x1700 0x20>;
199 interrupts = <0x9 0x8>;
200 fsl,preserve-clocking;
201
202 eeprom@50 {
203 compatible = "at,24c01";
204 reg = <0x50>;
205 };
206
207 rtc@68 {
208 compatible = "stm,m41t00";
209 reg = <0x68>;
210 };
211 };
212
213 i2c@1740 {
214 #address-cells = <1>;
215 #size-cells = <0>;
216 compatible = "fsl,mpc5121-i2c";
217 reg = <0x1740 0x20>;
218 interrupts = <0xb 0x8>;
219 fsl,preserve-clocking;
220 };
221
222 i2ccontrol@1760 {
223 compatible = "fsl,mpc5121-i2c-ctrl";
224 reg = <0x1760 0x8>;
225 };
226
227 axe@2000 {
228 compatible = "fsl,mpc5121-axe";
229 reg = <0x2000 0x100>;
230 interrupts = <42 0x8>;
231 };
232
233 display@2100 {
234 compatible = "fsl,mpc5121-diu";
235 reg = <0x2100 0x100>;
236 interrupts = <64 0x8>;
237 };
238
239 can@2300 {
240 compatible = "fsl,mpc5121-mscan";
241 interrupts = <90 0x8>;
242 reg = <0x2300 0x80>;
243 };
244
245 can@2380 {
246 compatible = "fsl,mpc5121-mscan";
247 interrupts = <91 0x8>;
248 reg = <0x2380 0x80>;
249 };
250
251 viu@2400 {
252 compatible = "fsl,mpc5121-viu";
253 reg = <0x2400 0x400>;
254 interrupts = <67 0x8>;
255 };
256
257 mdio@2800 {
258 compatible = "fsl,mpc5121-fec-mdio";
259 reg = <0x2800 0x200>;
260 #address-cells = <1>;
261 #size-cells = <0>;
262 phy: ethernet-phy@0 {
263 compatible = "smsc,lan8700";
264 reg = <0x1f>;
265 };
266 };
267
268 eth0: ethernet@2800 {
269 compatible = "fsl,mpc5121-fec";
270 reg = <0x2800 0x200>;
271 local-mac-address = [ 00 00 00 00 00 00 ];
272 interrupts = <4 0x8>;
273 phy-handle = < &phy >;
274 };
275
276 // USB1 using external ULPI PHY
277 usb@3000 {
278 compatible = "fsl,mpc5121-usb2-dr";
279 reg = <0x3000 0x600>;
280 #address-cells = <1>;
281 #size-cells = <0>;
282 interrupts = <43 0x8>;
283 dr_mode = "host";
284 phy_type = "ulpi";
285 };
286
287 // USB0 using internal UTMI PHY
288 usb@4000 {
289 compatible = "fsl,mpc5121-usb2-dr";
290 reg = <0x4000 0x600>;
291 #address-cells = <1>;
292 #size-cells = <0>;
293 interrupts = <44 0x8>;
294 dr_mode = "otg";
295 phy_type = "utmi_wide";
296 fsl,invert-pwr-fault;
297 };
298
299 // IO control
300 ioctl@a000 {
301 compatible = "fsl,mpc5121-ioctl";
302 reg = <0xA000 0x1000>;
303 };
304
305 // 512x PSCs are not 52xx PSCs compatible
306 serial@11000 {
307 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
308 cell-index = <0>;
309 reg = <0x11000 0x100>;
310 interrupts = <40 0x8>;
311 fsl,rx-fifo-size = <16>;
312 fsl,tx-fifo-size = <16>;
313 };
314
315 serial@11100 {
316 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
317 cell-index = <1>;
318 reg = <0x11100 0x100>;
319 interrupts = <40 0x8>;
320 fsl,rx-fifo-size = <16>;
321 fsl,tx-fifo-size = <16>;
322 };
323
324 serial@11200 {
325 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
326 cell-index = <2>;
327 reg = <0x11200 0x100>;
328 interrupts = <40 0x8>;
329 fsl,rx-fifo-size = <16>;
330 fsl,tx-fifo-size = <16>;
331 };
332
333 serial@11300 {
334 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
335 cell-index = <3>;
336 reg = <0x11300 0x100>;
337 interrupts = <40 0x8>;
338 fsl,rx-fifo-size = <16>;
339 fsl,tx-fifo-size = <16>;
340 };
341
342 serial@11400 {
343 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
344 cell-index = <4>;
345 reg = <0x11400 0x100>;
346 interrupts = <40 0x8>;
347 fsl,rx-fifo-size = <16>;
348 fsl,tx-fifo-size = <16>;
349 };
350
351 serial@11600 {
352 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
353 cell-index = <6>;
354 reg = <0x11600 0x100>;
355 interrupts = <40 0x8>;
356 fsl,rx-fifo-size = <16>;
357 fsl,tx-fifo-size = <16>;
358 };
359
360 serial@11800 {
361 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
362 cell-index = <8>;
363 reg = <0x11800 0x100>;
364 interrupts = <40 0x8>;
365 fsl,rx-fifo-size = <16>;
366 fsl,tx-fifo-size = <16>;
367 };
368
369 serial@11B00 {
370 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
371 cell-index = <11>;
372 reg = <0x11B00 0x100>;
373 interrupts = <40 0x8>;
374 fsl,rx-fifo-size = <16>;
375 fsl,tx-fifo-size = <16>;
376 };
377
378 pscfifo@11f00 {
379 compatible = "fsl,mpc5121-psc-fifo";
380 reg = <0x11f00 0x100>;
381 interrupts = <40 0x8>;
382 };
383
384 spi@11900 {
385 compatible = "fsl,mpc5121-psc-spi", "fsl,mpc5121-psc";
386 cell-index = <9>;
387 #address-cells = <1>;
388 #size-cells = <0>;
389 reg = <0x11900 0x100>;
390 interrupts = <40 0x8>;
391 fsl,rx-fifo-size = <16>;
392 fsl,tx-fifo-size = <16>;
393
394 // 7845 touch screen controller
395 ts@0 {
396 compatible = "ti,ads7846";
397 reg = <0x0>;
398 spi-max-frequency = <3000000>;
399 // pen irq is GPIO25
400 interrupts = <78 0x8>;
401 };
402 };
403
404 dma@14000 {
405 compatible = "fsl,mpc5121-dma";
406 reg = <0x14000 0x1800>;
407 interrupts = <65 0x8>;
408 };
409 };
410};
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index e9dca280a4d2..27b0651221d1 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -25,3 +25,10 @@ config MPC5121_GENERIC
25 25
26 Compatible boards include: Protonic LVT base boards (ZANMCU 26 Compatible boards include: Protonic LVT base boards (ZANMCU
27 and VICVT2). 27 and VICVT2).
28
29config PDM360NG
30 bool "ifm PDM360NG board"
31 depends on PPC_MPC512x
32 select DEFAULT_UIMAGE
33 help
34 This option enables support for the PDM360NG board.
diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile
index 90be2f5717e6..4efc1c4b6fb5 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -4,3 +4,4 @@
4obj-y += clock.o mpc512x_shared.o 4obj-y += clock.o mpc512x_shared.o
5obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o 5obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o
6obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o 6obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o
7obj-$(CONFIG_PDM360NG) += pdm360ng.o
diff --git a/arch/powerpc/platforms/512x/pdm360ng.c b/arch/powerpc/platforms/512x/pdm360ng.c
new file mode 100644
index 000000000000..0575e858291c
--- /dev/null
+++ b/arch/powerpc/platforms/512x/pdm360ng.c
@@ -0,0 +1,129 @@
1/*
2 * Copyright (C) 2010 DENX Software Engineering
3 *
4 * Anatolij Gustschin, <agust@denx.de>
5 *
6 * PDM360NG board setup
7 *
8 * This is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 */
14
15#include <linux/kernel.h>
16#include <linux/io.h>
17#include <linux/of_platform.h>
18
19#include <asm/machdep.h>
20#include <asm/ipic.h>
21
22#include "mpc512x.h"
23
24#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
25 defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
26#include <linux/interrupt.h>
27#include <linux/spi/ads7846.h>
28#include <linux/spi/spi.h>
29#include <linux/notifier.h>
30
31static void *pdm360ng_gpio_base;
32
33static int pdm360ng_get_pendown_state(void)
34{
35 u32 reg;
36
37 reg = in_be32(pdm360ng_gpio_base + 0xc);
38 if (reg & 0x40)
39 setbits32(pdm360ng_gpio_base + 0xc, 0x40);
40
41 reg = in_be32(pdm360ng_gpio_base + 0x8);
42
43 /* return 1 if pen is down */
44 return (reg & 0x40) == 0;
45}
46
47static struct ads7846_platform_data pdm360ng_ads7846_pdata = {
48 .model = 7845,
49 .get_pendown_state = pdm360ng_get_pendown_state,
50 .irq_flags = IRQF_TRIGGER_LOW,
51};
52
53static int __init pdm360ng_penirq_init(void)
54{
55 struct device_node *np;
56
57 np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-gpio");
58 if (!np) {
59 pr_err("%s: Can't find 'mpc5121-gpio' node\n", __func__);
60 return -ENODEV;
61 }
62
63 pdm360ng_gpio_base = of_iomap(np, 0);
64 of_node_put(np);
65 if (!pdm360ng_gpio_base) {
66 pr_err("%s: Can't map gpio regs.\n", __func__);
67 return -ENODEV;
68 }
69 out_be32(pdm360ng_gpio_base + 0xc, 0xffffffff);
70 setbits32(pdm360ng_gpio_base + 0x18, 0x2000);
71 setbits32(pdm360ng_gpio_base + 0x10, 0x40);
72
73 return 0;
74}
75
76static int pdm360ng_touchscreen_notifier_call(struct notifier_block *nb,
77 unsigned long event, void *__dev)
78{
79 struct device *dev = __dev;
80
81 if ((event == BUS_NOTIFY_ADD_DEVICE) &&
82 of_device_is_compatible(dev->of_node, "ti,ads7846")) {
83 dev->platform_data = &pdm360ng_ads7846_pdata;
84 return NOTIFY_OK;
85 }
86 return NOTIFY_DONE;
87}
88
89static struct notifier_block pdm360ng_touchscreen_nb = {
90 .notifier_call = pdm360ng_touchscreen_notifier_call,
91};
92
93static void __init pdm360ng_touchscreen_init(void)
94{
95 if (pdm360ng_penirq_init())
96 return;
97
98 bus_register_notifier(&spi_bus_type, &pdm360ng_touchscreen_nb);
99}
100#else
101static inline void __init pdm360ng_touchscreen_init(void)
102{
103}
104#endif /* CONFIG_TOUCHSCREEN_ADS7846 */
105
106void __init pdm360ng_init(void)
107{
108 mpc512x_init();
109 pdm360ng_touchscreen_init();
110}
111
112static int __init pdm360ng_probe(void)
113{
114 unsigned long root = of_get_flat_dt_root();
115
116 return of_flat_dt_is_compatible(root, "ifm,pdm360ng");
117}
118
119define_machine(pdm360ng) {
120 .name = "PDM360NG",
121 .probe = pdm360ng_probe,
122 .setup_arch = mpc512x_setup_diu,
123 .init = pdm360ng_init,
124 .init_early = mpc512x_init_diu,
125 .init_IRQ = mpc512x_init_IRQ,
126 .get_irq = ipic_get_irq,
127 .calibrate_decr = generic_calibrate_decr,
128 .restart = mpc512x_restart,
129};
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-01 07:50:45 -0500