[v2,2/6] DaVinci: DM355: Updates for SPI for DM355 SOC

Commit Message

[e-mail] Aug. 26, 2009, 10:43 p.m. UTC

From: Sandeep Paulraj <[e-mail]>

this patch does the following
1) minor update to the clocks for SPI
2) Adds platform data for DM355 SPI0

Signed-off-by: Sandeep Paulraj <[e-mail]>
---
 arch/arm/mach-davinci/dm355.c |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)

Patch

diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 4f42169..3eaf2c0 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -15,7 +15,6 @@ 
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/gpio.h>
-
 #include <linux/spi/spi.h>
 
 #include <asm/mach/map.h>
@@ -31,6 +30,7 @@ 
 #include <mach/serial.h>
 #include <mach/common.h>
 #include <mach/asp.h>
+#include <mach/spi.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -365,9 +365,9 @@  static struct davinci_clk dm355_clks[] = {
 	CLK("davinci-asp.1", NULL, &asp1_clk),
 	CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
 	CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
-	CLK(NULL, "spi0", &spi0_clk),
-	CLK(NULL, "spi1", &spi1_clk),
-	CLK(NULL, "spi2", &spi2_clk),
+	CLK("spi_davinci.0", NULL, &spi0_clk),
+	CLK("spi_davinci.1", NULL, &spi1_clk),
+	CLK("spi_davinci.2", NULL, &spi2_clk),
 	CLK(NULL, "gpio", &gpio_clk),
 	CLK(NULL, "aemif", &aemif_clk),
 	CLK(NULL, "pwm0", &pwm0_clk),
@@ -406,12 +406,24 @@  static struct resource dm355_spi0_resources[] = {
 	 */
 };
 
+static struct davinci_spi_platform_data dm355_spi0_pdata = {
+	.version 	= SPI_VERSION_1,
+	.num_chipselect = 2,
+	.clk_internal	= 1,
+	.cs_hold	= 1,
+	.intr_level	= 0,
+	.poll_mode	= 1,
+	.c2tdelay	= 8,
+	.t2cdelay	= 8,
+};
+
 static struct platform_device dm355_spi0_device = {
 	.name = "spi_davinci",
 	.id = 0,
 	.dev = {
 		.dma_mask = &dm355_spi0_dma_mask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &dm355_spi0_pdata,
 	},
 	.num_resources = ARRAY_SIZE(dm355_spi0_resources),
 	.resource = dm355_spi0_resources,