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Commit 9cf6cf58 authored by Hans-Christian Egtvedt's avatar Hans-Christian Egtvedt Committed by Haavard Skinnemoen
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[AVR32] Add Atmel SSC driver platform device to AT32AP architecture 



This patch adds register definitions, clocks and IRQs to the platform devices.

Signed-off-by: default avatarHans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent e122eaf6

arch/avr32/mach-at32ap/at32ap7000.c

+86 −0
Original line number Diff line number Diff line
@@ -1084,6 +1084,89 @@ err_dup_modedb: 
	return NULL;

}



/* --------------------------------------------------------------------

 *  SSC

 * -------------------------------------------------------------------- */

static struct resource ssc0_resource[] = {

	PBMEM(0xffe01c00),

	IRQ(10),

};

DEFINE_DEV(ssc, 0);

DEV_CLK(pclk, ssc0, pba, 7);



static struct resource ssc1_resource[] = {

	PBMEM(0xffe02000),

	IRQ(11),

};

DEFINE_DEV(ssc, 1);

DEV_CLK(pclk, ssc1, pba, 8);



static struct resource ssc2_resource[] = {

	PBMEM(0xffe02400),

	IRQ(12),

};

DEFINE_DEV(ssc, 2);

DEV_CLK(pclk, ssc2, pba, 9);



struct platform_device *__init

at32_add_device_ssc(unsigned int id, unsigned int flags)

{

	struct platform_device *pdev;



	switch (id) {

	case 0:

		pdev = &ssc0_device;

		if (flags & ATMEL_SSC_RF)

			select_peripheral(PA(21), PERIPH_A, 0);	/* RF */

		if (flags & ATMEL_SSC_RK)

			select_peripheral(PA(22), PERIPH_A, 0);	/* RK */

		if (flags & ATMEL_SSC_TK)

			select_peripheral(PA(23), PERIPH_A, 0);	/* TK */

		if (flags & ATMEL_SSC_TF)

			select_peripheral(PA(24), PERIPH_A, 0);	/* TF */

		if (flags & ATMEL_SSC_TD)

			select_peripheral(PA(25), PERIPH_A, 0);	/* TD */

		if (flags & ATMEL_SSC_RD)

			select_peripheral(PA(26), PERIPH_A, 0);	/* RD */

		break;

	case 1:

		pdev = &ssc1_device;

		if (flags & ATMEL_SSC_RF)

			select_peripheral(PA(0), PERIPH_B, 0);	/* RF */

		if (flags & ATMEL_SSC_RK)

			select_peripheral(PA(1), PERIPH_B, 0);	/* RK */

		if (flags & ATMEL_SSC_TK)

			select_peripheral(PA(2), PERIPH_B, 0);	/* TK */

		if (flags & ATMEL_SSC_TF)

			select_peripheral(PA(3), PERIPH_B, 0);	/* TF */

		if (flags & ATMEL_SSC_TD)

			select_peripheral(PA(4), PERIPH_B, 0);	/* TD */

		if (flags & ATMEL_SSC_RD)

			select_peripheral(PA(5), PERIPH_B, 0);	/* RD */

		break;

	case 2:

		pdev = &ssc2_device;

		if (flags & ATMEL_SSC_TD)

			select_peripheral(PB(13), PERIPH_A, 0);	/* TD */

		if (flags & ATMEL_SSC_RD)

			select_peripheral(PB(14), PERIPH_A, 0);	/* RD */

		if (flags & ATMEL_SSC_TK)

			select_peripheral(PB(15), PERIPH_A, 0);	/* TK */

		if (flags & ATMEL_SSC_TF)

			select_peripheral(PB(16), PERIPH_A, 0);	/* TF */

		if (flags & ATMEL_SSC_RF)

			select_peripheral(PB(17), PERIPH_A, 0);	/* RF */

		if (flags & ATMEL_SSC_RK)

			select_peripheral(PB(18), PERIPH_A, 0);	/* RK */

		break;

	default:

		return NULL;

	}



	platform_device_register(pdev);

	return pdev;

}



/* --------------------------------------------------------------------

 *  GCLK

 * -------------------------------------------------------------------- */
@@ -1166,6 +1249,9 @@ struct clk *at32_clock_list[] = { 
	&atmel_spi1_spi_clk,

	&atmel_lcdfb0_hck1,

	&atmel_lcdfb0_pixclk,

	&ssc0_pclk,

	&ssc1_pclk,

	&ssc2_pclk,

	&gclk0,

	&gclk1,

	&gclk2,

include/asm-avr32/arch-at32ap/board.h

+14 −0
Original line number Diff line number Diff line
@@ -36,4 +36,18 @@ struct platform_device * 
at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,

		     unsigned long fbmem_start, unsigned long fbmem_len);



/* depending on what's hooked up, not all SSC pins will be used */

#define	ATMEL_SSC_TK		0x01

#define	ATMEL_SSC_TF		0x02

#define	ATMEL_SSC_TD		0x04

#define	ATMEL_SSC_TX		(ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)



#define	ATMEL_SSC_RK		0x10

#define	ATMEL_SSC_RF		0x20

#define	ATMEL_SSC_RD		0x40

#define	ATMEL_SSC_RX		(ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)



struct platform_device *

at32_add_device_ssc(unsigned int id, unsigned int flags);



#endif /* __ASM_ARCH_BOARD_H */