2 * linux/arch/arm/mach-omap2/mcbsp.c
4 * Copyright (C) 2008 Instituto Nokia de Tecnologia
5 * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * Multichannel mode not supported.
13 #include <linux/module.h>
14 #include <linux/init.h>
15 #include <linux/clk.h>
16 #include <linux/err.h>
18 #include <linux/platform_device.h>
20 #include <mach/irqs.h>
24 #include <mach/mcbsp.h>
26 static void omap2_mcbsp2_mux_setup(void)
28 omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
29 omap_cfg_reg(R14_24XX_MCBSP2_FSX);
30 omap_cfg_reg(W15_24XX_MCBSP2_DR);
31 omap_cfg_reg(V15_24XX_MCBSP2_DX);
32 omap_cfg_reg(V14_24XX_GPIO117);
34 * TODO: Need to add MUX settings for OMAP 2430 SDP
38 static void omap2_mcbsp_request(unsigned int id)
40 if (cpu_is_omap2420() && (id == OMAP_MCBSP2))
41 omap2_mcbsp2_mux_setup();
44 static struct omap_mcbsp_ops omap2_mcbsp_ops = {
45 .request = omap2_mcbsp_request,
48 #ifdef CONFIG_ARCH_OMAP2420
49 static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
51 .phys_base = OMAP24XX_MCBSP1_BASE,
52 .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
53 .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
54 .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
55 .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
56 .ops = &omap2_mcbsp_ops,
59 .phys_base = OMAP24XX_MCBSP2_BASE,
60 .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
61 .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
62 .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
63 .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
64 .ops = &omap2_mcbsp_ops,
67 #define OMAP2420_MCBSP_PDATA_SZ ARRAY_SIZE(omap2420_mcbsp_pdata)
69 #define omap2420_mcbsp_pdata NULL
70 #define OMAP2420_MCBSP_PDATA_SZ 0
73 #ifdef CONFIG_ARCH_OMAP2430
74 static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
76 .phys_base = OMAP24XX_MCBSP1_BASE,
77 .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
78 .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
79 .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
80 .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
81 .ops = &omap2_mcbsp_ops,
84 .phys_base = OMAP24XX_MCBSP2_BASE,
85 .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
86 .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
87 .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
88 .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
89 .ops = &omap2_mcbsp_ops,
92 .phys_base = OMAP2430_MCBSP3_BASE,
93 .dma_rx_sync = OMAP24XX_DMA_MCBSP3_RX,
94 .dma_tx_sync = OMAP24XX_DMA_MCBSP3_TX,
95 .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
96 .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
97 .ops = &omap2_mcbsp_ops,
100 .phys_base = OMAP2430_MCBSP4_BASE,
101 .dma_rx_sync = OMAP24XX_DMA_MCBSP4_RX,
102 .dma_tx_sync = OMAP24XX_DMA_MCBSP4_TX,
103 .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
104 .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
105 .ops = &omap2_mcbsp_ops,
108 .phys_base = OMAP2430_MCBSP5_BASE,
109 .dma_rx_sync = OMAP24XX_DMA_MCBSP5_RX,
110 .dma_tx_sync = OMAP24XX_DMA_MCBSP5_TX,
111 .rx_irq = INT_24XX_MCBSP5_IRQ_RX,
112 .tx_irq = INT_24XX_MCBSP5_IRQ_TX,
113 .ops = &omap2_mcbsp_ops,
116 #define OMAP2430_MCBSP_PDATA_SZ ARRAY_SIZE(omap2430_mcbsp_pdata)
118 #define omap2430_mcbsp_pdata NULL
119 #define OMAP2430_MCBSP_PDATA_SZ 0
122 #ifdef CONFIG_ARCH_OMAP34XX
123 static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
125 .phys_base = OMAP34XX_MCBSP1_BASE,
126 .dma_rx_sync = OMAP24XX_DMA_MCBSP1_RX,
127 .dma_tx_sync = OMAP24XX_DMA_MCBSP1_TX,
128 .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
129 .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
130 .ops = &omap2_mcbsp_ops,
133 .phys_base = OMAP34XX_MCBSP2_BASE,
134 .dma_rx_sync = OMAP24XX_DMA_MCBSP2_RX,
135 .dma_tx_sync = OMAP24XX_DMA_MCBSP2_TX,
136 .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
137 .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
138 .ops = &omap2_mcbsp_ops,
141 .phys_base = OMAP34XX_MCBSP3_BASE,
142 .dma_rx_sync = OMAP24XX_DMA_MCBSP3_RX,
143 .dma_tx_sync = OMAP24XX_DMA_MCBSP3_TX,
144 .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
145 .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
146 .ops = &omap2_mcbsp_ops,
149 .phys_base = OMAP34XX_MCBSP4_BASE,
150 .dma_rx_sync = OMAP24XX_DMA_MCBSP4_RX,
151 .dma_tx_sync = OMAP24XX_DMA_MCBSP4_TX,
152 .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
153 .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
154 .ops = &omap2_mcbsp_ops,
157 .phys_base = OMAP34XX_MCBSP5_BASE,
158 .dma_rx_sync = OMAP24XX_DMA_MCBSP5_RX,
159 .dma_tx_sync = OMAP24XX_DMA_MCBSP5_TX,
160 .rx_irq = INT_24XX_MCBSP5_IRQ_RX,
161 .tx_irq = INT_24XX_MCBSP5_IRQ_TX,
162 .ops = &omap2_mcbsp_ops,
165 #define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
167 #define omap34xx_mcbsp_pdata NULL
168 #define OMAP34XX_MCBSP_PDATA_SZ 0
171 static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
173 .phys_base = OMAP44XX_MCBSP1_BASE,
174 .dma_rx_sync = OMAP44XX_DMA_MCBSP1_RX,
175 .dma_tx_sync = OMAP44XX_DMA_MCBSP1_TX,
176 .rx_irq = INT_24XX_MCBSP1_IRQ_RX,
177 .tx_irq = INT_24XX_MCBSP1_IRQ_TX,
178 .ops = &omap2_mcbsp_ops,
181 .phys_base = OMAP44XX_MCBSP2_BASE,
182 .dma_rx_sync = OMAP44XX_DMA_MCBSP2_RX,
183 .dma_tx_sync = OMAP44XX_DMA_MCBSP2_TX,
184 .rx_irq = INT_24XX_MCBSP2_IRQ_RX,
185 .tx_irq = INT_24XX_MCBSP2_IRQ_TX,
186 .ops = &omap2_mcbsp_ops,
189 .phys_base = OMAP44XX_MCBSP3_BASE,
190 .dma_rx_sync = OMAP44XX_DMA_MCBSP3_RX,
191 .dma_tx_sync = OMAP44XX_DMA_MCBSP3_TX,
192 .rx_irq = INT_24XX_MCBSP3_IRQ_RX,
193 .tx_irq = INT_24XX_MCBSP3_IRQ_TX,
194 .ops = &omap2_mcbsp_ops,
197 .phys_base = OMAP44XX_MCBSP4_BASE,
198 .dma_rx_sync = OMAP44XX_DMA_MCBSP4_RX,
199 .dma_tx_sync = OMAP44XX_DMA_MCBSP4_TX,
200 .rx_irq = INT_24XX_MCBSP4_IRQ_RX,
201 .tx_irq = INT_24XX_MCBSP4_IRQ_TX,
202 .ops = &omap2_mcbsp_ops,
205 #define OMAP44XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap44xx_mcbsp_pdata)
207 static int __init omap2_mcbsp_init(void)
209 if (cpu_is_omap2420())
210 omap_mcbsp_count = OMAP2420_MCBSP_PDATA_SZ;
211 if (cpu_is_omap2430())
212 omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
213 if (cpu_is_omap34xx())
214 omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
215 if (cpu_is_omap44xx())
216 omap_mcbsp_count = OMAP44XX_MCBSP_PDATA_SZ;
218 mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
223 if (cpu_is_omap2420())
224 omap_mcbsp_register_board_cfg(omap2420_mcbsp_pdata,
225 OMAP2420_MCBSP_PDATA_SZ);
226 if (cpu_is_omap2430())
227 omap_mcbsp_register_board_cfg(omap2430_mcbsp_pdata,
228 OMAP2430_MCBSP_PDATA_SZ);
229 if (cpu_is_omap34xx())
230 omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
231 OMAP34XX_MCBSP_PDATA_SZ);
232 if (cpu_is_omap44xx())
233 omap_mcbsp_register_board_cfg(omap44xx_mcbsp_pdata,
234 OMAP44XX_MCBSP_PDATA_SZ);
236 return omap_mcbsp_init();
238 arch_initcall(omap2_mcbsp_init);