redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[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: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
hifive-unleashed-5.1
Hans-Christian Egtvedt 2007-07-06 14:31:55 +02:00 committed by Haavard Skinnemoen
parent e122eaf694
commit 9cf6cf58d0
2 changed files with 100 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
arch/avr32/mach-at32ap/at32ap7000.c
View File

@ -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,

14
include/asm-avr32/arch-at32ap/board.h
View File

@ -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 */