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Date: Mon, 8 Oct 2012 09:53:08 -0400
From: Matt Porter <mporter@...com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Hans J. Koch" <hjk@...sjkoch.de>, Sekhar Nori <nsekhar@...com>
Cc: Russell King <linux@....linux.org.uk>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
Linux DaVinci Kernel List
<davinci-linux-open-source@...ux.davincidsp.com>,
Ben Gardiner <bengardiner@...ometrics.ca>
Subject: [PATCH v5 5/7] 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@...com>
---
arch/arm/mach-davinci/da850.c | 7 +++
arch/arm/mach-davinci/devices-da8xx.c | 71 ++++++++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 2 +
3 files changed, 80 insertions(+)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index d8d69de..ebd7d6a 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -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,
@@ -378,6 +384,7 @@ 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),
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index bd2f72b..36d09d7 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -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,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 20553cf..9262821 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -25,6 +25,7 @@
#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>
extern void __iomem *da8xx_syscfg0_base;
extern void __iomem *da8xx_syscfg1_base;
@@ -83,6 +84,7 @@ 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);
--
1.7.9.5
--
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