diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-22 18:47:58 -0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-22 18:47:58 -0400 |
commit | 2ef39e606bb43d6041b6d820e2a9156110a82d21 (patch) | |
tree | 7c4cb8bd147d962344d357569172dfbe35f098a6 /arch/arm | |
parent | a89be93c28cd656d1c3c49fe627666b3bbecd45a (diff) | |
parent | b4cad7af6665743647f28119b689e1552326d4da (diff) |
Merge remote-tracking branch 'asoc/topic/ux500' into for-3.7
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-ux500/board-mop500-msp.c | 79 | ||||
-rw-r--r-- | arch/arm/mach-ux500/include/mach/msp.h | 2 |
2 files changed, 1 insertions, 80 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-msp.c b/arch/arm/mach-ux500/board-mop500-msp.c index df15646036aa..ace6c051bc1a 100644 --- a/arch/arm/mach-ux500/board-mop500-msp.c +++ b/arch/arm/mach-ux500/board-mop500-msp.c | |||
@@ -7,7 +7,6 @@ | |||
7 | #include <linux/platform_device.h> | 7 | #include <linux/platform_device.h> |
8 | #include <linux/init.h> | 8 | #include <linux/init.h> |
9 | #include <linux/gpio.h> | 9 | #include <linux/gpio.h> |
10 | #include <linux/pinctrl/consumer.h> | ||
11 | 10 | ||
12 | #include <plat/gpio-nomadik.h> | 11 | #include <plat/gpio-nomadik.h> |
13 | #include <plat/pincfg.h> | 12 | #include <plat/pincfg.h> |
@@ -23,53 +22,6 @@ | |||
23 | #include "devices-db8500.h" | 22 | #include "devices-db8500.h" |
24 | #include "pins-db8500.h" | 23 | #include "pins-db8500.h" |
25 | 24 | ||
26 | /* MSP1/3 Tx/Rx usage protection */ | ||
27 | static DEFINE_SPINLOCK(msp_rxtx_lock); | ||
28 | |||
29 | /* Reference Count */ | ||
30 | static int msp_rxtx_ref; | ||
31 | |||
32 | /* Pin modes */ | ||
33 | struct pinctrl *msp1_p; | ||
34 | struct pinctrl_state *msp1_def; | ||
35 | struct pinctrl_state *msp1_sleep; | ||
36 | |||
37 | int msp13_i2s_init(void) | ||
38 | { | ||
39 | int retval = 0; | ||
40 | unsigned long flags; | ||
41 | |||
42 | spin_lock_irqsave(&msp_rxtx_lock, flags); | ||
43 | if (msp_rxtx_ref == 0 && !(IS_ERR(msp1_p) || IS_ERR(msp1_def))) { | ||
44 | retval = pinctrl_select_state(msp1_p, msp1_def); | ||
45 | if (retval) | ||
46 | pr_err("could not set MSP1 defstate\n"); | ||
47 | } | ||
48 | if (!retval) | ||
49 | msp_rxtx_ref++; | ||
50 | spin_unlock_irqrestore(&msp_rxtx_lock, flags); | ||
51 | |||
52 | return retval; | ||
53 | } | ||
54 | |||
55 | int msp13_i2s_exit(void) | ||
56 | { | ||
57 | int retval = 0; | ||
58 | unsigned long flags; | ||
59 | |||
60 | spin_lock_irqsave(&msp_rxtx_lock, flags); | ||
61 | WARN_ON(!msp_rxtx_ref); | ||
62 | msp_rxtx_ref--; | ||
63 | if (msp_rxtx_ref == 0 && !(IS_ERR(msp1_p) || IS_ERR(msp1_sleep))) { | ||
64 | retval = pinctrl_select_state(msp1_p, msp1_sleep); | ||
65 | if (retval) | ||
66 | pr_err("could not set MSP1 sleepstate\n"); | ||
67 | } | ||
68 | spin_unlock_irqrestore(&msp_rxtx_lock, flags); | ||
69 | |||
70 | return retval; | ||
71 | } | ||
72 | |||
73 | static struct stedma40_chan_cfg msp0_dma_rx = { | 25 | static struct stedma40_chan_cfg msp0_dma_rx = { |
74 | .high_priority = true, | 26 | .high_priority = true, |
75 | .dir = STEDMA40_PERIPH_TO_MEM, | 27 | .dir = STEDMA40_PERIPH_TO_MEM, |
@@ -132,8 +84,6 @@ static struct msp_i2s_platform_data msp1_platform_data = { | |||
132 | .id = MSP_I2S_1, | 84 | .id = MSP_I2S_1, |
133 | .msp_i2s_dma_rx = NULL, | 85 | .msp_i2s_dma_rx = NULL, |
134 | .msp_i2s_dma_tx = &msp1_dma_tx, | 86 | .msp_i2s_dma_tx = &msp1_dma_tx, |
135 | .msp_i2s_init = msp13_i2s_init, | ||
136 | .msp_i2s_exit = msp13_i2s_exit, | ||
137 | }; | 87 | }; |
138 | 88 | ||
139 | static struct stedma40_chan_cfg msp2_dma_rx = { | 89 | static struct stedma40_chan_cfg msp2_dma_rx = { |
@@ -219,49 +169,22 @@ static struct msp_i2s_platform_data msp3_platform_data = { | |||
219 | .id = MSP_I2S_3, | 169 | .id = MSP_I2S_3, |
220 | .msp_i2s_dma_rx = &msp1_dma_rx, | 170 | .msp_i2s_dma_rx = &msp1_dma_rx, |
221 | .msp_i2s_dma_tx = NULL, | 171 | .msp_i2s_dma_tx = NULL, |
222 | .msp_i2s_init = msp13_i2s_init, | ||
223 | .msp_i2s_exit = msp13_i2s_exit, | ||
224 | }; | 172 | }; |
225 | 173 | ||
226 | int mop500_msp_init(struct device *parent) | 174 | int mop500_msp_init(struct device *parent) |
227 | { | 175 | { |
228 | struct platform_device *msp1; | ||
229 | |||
230 | pr_info("%s: Register platform-device 'snd-soc-mop500'.\n", __func__); | 176 | pr_info("%s: Register platform-device 'snd-soc-mop500'.\n", __func__); |
231 | platform_device_register(&snd_soc_mop500); | 177 | platform_device_register(&snd_soc_mop500); |
232 | 178 | ||
233 | pr_info("Initialize MSP I2S-devices.\n"); | 179 | pr_info("Initialize MSP I2S-devices.\n"); |
234 | db8500_add_msp_i2s(parent, 0, U8500_MSP0_BASE, IRQ_DB8500_MSP0, | 180 | db8500_add_msp_i2s(parent, 0, U8500_MSP0_BASE, IRQ_DB8500_MSP0, |
235 | &msp0_platform_data); | 181 | &msp0_platform_data); |
236 | msp1 = db8500_add_msp_i2s(parent, 1, U8500_MSP1_BASE, IRQ_DB8500_MSP1, | 182 | db8500_add_msp_i2s(parent, 1, U8500_MSP1_BASE, IRQ_DB8500_MSP1, |
237 | &msp1_platform_data); | 183 | &msp1_platform_data); |
238 | db8500_add_msp_i2s(parent, 2, U8500_MSP2_BASE, IRQ_DB8500_MSP2, | 184 | db8500_add_msp_i2s(parent, 2, U8500_MSP2_BASE, IRQ_DB8500_MSP2, |
239 | &msp2_platform_data); | 185 | &msp2_platform_data); |
240 | db8500_add_msp_i2s(parent, 3, U8500_MSP3_BASE, IRQ_DB8500_MSP1, | 186 | db8500_add_msp_i2s(parent, 3, U8500_MSP3_BASE, IRQ_DB8500_MSP1, |
241 | &msp3_platform_data); | 187 | &msp3_platform_data); |
242 | 188 | ||
243 | /* Get the pinctrl handle for MSP1 */ | ||
244 | if (msp1) { | ||
245 | msp1_p = pinctrl_get(&msp1->dev); | ||
246 | if (IS_ERR(msp1_p)) | ||
247 | dev_err(&msp1->dev, "could not get MSP1 pinctrl\n"); | ||
248 | else { | ||
249 | msp1_def = pinctrl_lookup_state(msp1_p, | ||
250 | PINCTRL_STATE_DEFAULT); | ||
251 | if (IS_ERR(msp1_def)) { | ||
252 | dev_err(&msp1->dev, | ||
253 | "could not get MSP1 defstate\n"); | ||
254 | } | ||
255 | msp1_sleep = pinctrl_lookup_state(msp1_p, | ||
256 | PINCTRL_STATE_SLEEP); | ||
257 | if (IS_ERR(msp1_sleep)) | ||
258 | dev_err(&msp1->dev, | ||
259 | "could not get MSP1 idlestate\n"); | ||
260 | } | ||
261 | } | ||
262 | |||
263 | pr_info("%s: Register platform-device 'ux500-pcm'\n", __func__); | ||
264 | platform_device_register(&ux500_pcm); | ||
265 | |||
266 | return 0; | 189 | return 0; |
267 | } | 190 | } |
diff --git a/arch/arm/mach-ux500/include/mach/msp.h b/arch/arm/mach-ux500/include/mach/msp.h index 798be19129ef..3cc7142eee02 100644 --- a/arch/arm/mach-ux500/include/mach/msp.h +++ b/arch/arm/mach-ux500/include/mach/msp.h | |||
@@ -22,8 +22,6 @@ struct msp_i2s_platform_data { | |||
22 | enum msp_i2s_id id; | 22 | enum msp_i2s_id id; |
23 | struct stedma40_chan_cfg *msp_i2s_dma_rx; | 23 | struct stedma40_chan_cfg *msp_i2s_dma_rx; |
24 | struct stedma40_chan_cfg *msp_i2s_dma_tx; | 24 | struct stedma40_chan_cfg *msp_i2s_dma_tx; |
25 | int (*msp_i2s_init) (void); | ||
26 | int (*msp_i2s_exit) (void); | ||
27 | }; | 25 | }; |
28 | 26 | ||
29 | #endif | 27 | #endif |