[PATCH 34/35] davinci: da850/omapl138: Specify reserved channels/slots

[Kevin Hilman]

From: Sudhakar Rajashekhara <sudhakar.raj at ti.com>

Pass reserved EDMA channel/slots as platform data for da850/omap-l138.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj at ti.com>
Signed-off-by: Kevin Hilman <khilman at deeprootsystems.com>
---
 arch/arm/mach-davinci/devices-da8xx.c |   39 +++++++++++++++++++++++++++++++++
 1 files changed, 39 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 9a5342b..7e0789f 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -134,6 +134,41 @@ static const s16 da830_dma_rsv_slots[][2] = {
 	{-1, -1}
 };
 
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138, hence they
+ * are being reserved for codecs on the DSP side.
+ */
+static const s16 da850_dma0_rsv_chans[][2] = {
+	/* (offset, number) */
+	{ 8,  6},
+	{24,  4},
+	{30,  2},
+	{-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+	/* (offset, number) */
+	{ 8,  6},
+	{24,  4},
+	{30, 50},
+	{-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+	/* (offset, number) */
+	{ 0, 28},
+	{30,  2},
+	{-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+	/* (offset, number) */
+	{ 0, 28},
+	{30, 90},
+	{-1, -1}
+};
+
 static struct edma_soc_info da830_edma_info[] = {
 	{
 		.n_channel		= 32,
@@ -155,6 +190,8 @@ static struct edma_soc_info da850_edma_info[] = {
 		.n_slot			= 128,
 		.n_tc			= 2,
 		.n_cc			= 1,
+		.rsv_chans		= da850_dma0_rsv_chans,
+		.rsv_slots		= da850_dma0_rsv_slots,
 		.queue_tc_mapping	= da8xx_queue_tc_mapping,
 		.queue_priority_mapping	= da8xx_queue_priority_mapping,
 	},
@@ -164,6 +201,8 @@ static struct edma_soc_info da850_edma_info[] = {
 		.n_slot			= 128,
 		.n_tc			= 1,
 		.n_cc			= 1,
+		.rsv_chans		= da850_dma1_rsv_chans,
+		.rsv_slots		= da850_dma1_rsv_slots,
 		.queue_tc_mapping	= da850_queue_tc_mapping,
 		.queue_priority_mapping	= da850_queue_priority_mapping,
 	},
-- 
1.6.6.rc2.1.g42108