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ARM: davinci: da8xx: add DA850 PRUSS support 

Adds PRUSS clock support and registration helper for the
uio_pruss device.

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Matt Porter 2012-10-08 09:53:08 -04:00 committed by Sekhar Nori
parent 983c42ba34
commit 8e0d72d2c7
3 changed files with 80 additions and 0 deletions
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7
arch/arm/mach-davinci/da850.c
View File

@ -212,6 +212,12 @@ static struct clk tptc2_clk = {
.flags = ALWAYS_ENABLED,
};
static struct clk pruss_clk = {
.name = "pruss",
.parent = &pll0_sysclk2,
.lpsc = DA8XX_LPSC0_PRUSS,
};
static struct clk uart0_clk = {
.name = "uart0",
.parent = &pll0_sysclk2,
@ -385,6 +391,7 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "tptc1", &tptc1_clk),
CLK(NULL, "tpcc1", &tpcc1_clk),
CLK(NULL, "tptc2", &tptc2_clk),
CLK("pruss_uio", "pruss", &pruss_clk),
CLK(NULL, "uart0", &uart0_clk),
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),

71
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -22,6 +22,7 @@
#include <mach/time.h>
#include <mach/da8xx.h>
#include <mach/cpuidle.h>
#include <mach/sram.h>
#include "clock.h"
#include "asp.h"
@ -32,6 +33,7 @@
#define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */
#define DA8XX_I2C0_BASE 0x01c22000
#define DA8XX_RTC_BASE 0x01c23000
#define DA8XX_PRUSS_MEM_BASE 0x01c30000
#define DA8XX_MMCSD0_BASE 0x01c40000
#define DA8XX_SPI0_BASE 0x01c41000
#define DA830_SPI1_BASE 0x01e12000
@ -518,6 +520,75 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata)
}
}
static struct resource da8xx_pruss_resources[] = {
{
.start = DA8XX_PRUSS_MEM_BASE,
.end = DA8XX_PRUSS_MEM_BASE + 0xFFFF,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_DA8XX_EVTOUT0,
.end = IRQ_DA8XX_EVTOUT0,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT1,
.end = IRQ_DA8XX_EVTOUT1,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT2,
.end = IRQ_DA8XX_EVTOUT2,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT3,
.end = IRQ_DA8XX_EVTOUT3,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT4,
.end = IRQ_DA8XX_EVTOUT4,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT5,
.end = IRQ_DA8XX_EVTOUT5,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT6,
.end = IRQ_DA8XX_EVTOUT6,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_DA8XX_EVTOUT7,
.end = IRQ_DA8XX_EVTOUT7,
.flags = IORESOURCE_IRQ,
},
};
static struct uio_pruss_pdata da8xx_uio_pruss_pdata = {
.pintc_base = 0x4000,
};
static struct platform_device da8xx_uio_pruss_dev = {
.name = "pruss_uio",
.id = -1,
.num_resources = ARRAY_SIZE(da8xx_pruss_resources),
.resource = da8xx_pruss_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &da8xx_uio_pruss_pdata,
}
};
int __init da8xx_register_uio_pruss(void)
{
da8xx_uio_pruss_pdata.sram_pool = sram_get_gen_pool();
return platform_device_register(&da8xx_uio_pruss_dev);
}
static const struct display_panel disp_panel = {
QVGA,
16,

2
arch/arm/mach-davinci/include/mach/da8xx.h
View File

@ -26,6 +26,7 @@
#include <linux/platform_data/mmc-davinci.h>
#include <linux/platform_data/usb-davinci.h>
#include <linux/platform_data/spi-davinci.h>
#include <linux/platform_data/uio_pruss.h>
#include <media/davinci/vpif_types.h>
@ -87,6 +88,7 @@ int da8xx_register_watchdog(void);
int da8xx_register_usb20(unsigned mA, unsigned potpgt);
int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
int da8xx_register_emac(void);
int da8xx_register_uio_pruss(void);
int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata);
int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
int da850_register_mmcsd1(struct davinci_mmc_config *config);