Thread (6 messages) 6 messages, 2 authors, 2012-02-09
STALE5225d
Revisions (3)
  1. v1 [diff vs current]
  2. v1 current
  3. v1 [diff vs current]

[PATCH 1/3] ARM: EXYNOS: Enable MDMA driver

From: Tushar Behera <hidden>
Date: 2012-02-01 02:51:41
Also in: linux-samsung-soc

On 01/31/2012 09:27 PM, Kukjin Kim wrote:
quoted hunk ↗ jump to hunk
From: Boojin Kim <redacted>

This patch adds MDMA platform data and enables
MDMA for DMA memcpy operation for EXYNOS SoCs.

Signed-off-by: Boojin Kim <redacted>
Signed-off-by: Kukjin Kim <redacted>
---
 arch/arm/mach-exynos/clock-exynos4.c           |    9 ++++++
 arch/arm/mach-exynos/dma.c                     |   35 ++++++++++++++++++++++++
 arch/arm/mach-exynos/include/mach/irqs.h       |    2 +
 arch/arm/mach-exynos/include/mach/map.h        |    3 +-
 arch/arm/plat-samsung/include/plat/dma-pl330.h |    8 +++++
 5 files changed, 56 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c
index 411b366b..ffcc46b 100644
--- a/arch/arm/mach-exynos/clock-exynos4.c
+++ b/arch/arm/mach-exynos/clock-exynos4.c
@@ -783,6 +783,13 @@ static struct clk exynos4_clk_pdma1 = {
 	.ctrlbit	= (1 << 1),
 };
 
+static struct clk exynos4_clk_mdma1 = {
exynos4_clk_mdma ?
quoted hunk ↗ jump to hunk
+	.name		= "dma",
+	.devname	= "dma-pl330.2",
+	.enable		= exynos4_clk_ip_image_ctrl,
+	.ctrlbit	= ((1 << 8) | (1 << 5) | (1 << 2)),
+};
+
 struct clk *exynos4_clkset_group_list[] = {
 	[0] = &clk_ext_xtal_mux,
 	[1] = &clk_xusbxti,
@@ -1301,6 +1308,7 @@ static struct clksrc_clk *exynos4_sysclks[] = {
 static struct clk *exynos4_clk_cdev[] = {
 	&exynos4_clk_pdma0,
 	&exynos4_clk_pdma1,
+	&exynos4_clk_mdma,
 };
 
 static struct clksrc_clk *exynos4_clksrc_cdev[] = {
@@ -1329,6 +1337,7 @@ static struct clk_lookup exynos4_clk_lookup[] = {
 	CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
 	CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0),
 	CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1),
+	CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos4_clk_mdma),
 	CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &exynos4_clk_sclk_spi0.clk),
 	CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &exynos4_clk_sclk_spi1.clk),
 	CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &exynos4_clk_sclk_spi2.clk),

-- 
Tushar Behera
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help