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Message-ID: <1331628428-24017-6-git-send-email-b29396@freescale.com>
Date: Tue, 13 Mar 2012 16:47:08 +0800
From: Dong Aisheng <b29396@...escale.com>
To: <devicetree-discuss@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
CC: <s.hauer@...gutronix.de>, <shawn.guo@...escale.com>,
<kernel@...gutronix.de>, <grant.likely@...retlab.ca>,
<rob.herring@...xeda.com>, <cjb@...top.org>,
<rdunlap@...otime.net>, <vinod.koul@...ux.intel.com>
Subject: [PATCH v1 5/5] ARM: mxs: add mxs dma dt support
From: Dong Aisheng <dong.aisheng@...aro.org>
Originally the dma device will be added by default via
arch_initcall(mxs_add_mxs_dma);
Now change to call it explicitly in board file to avoid conflict
with device tree support.
Signed-off-by: Dong Aisheng <dong.aisheng@...aro.org>
---
arch/arm/boot/dts/imx28.dtsi | 12 +++++++++++-
arch/arm/mach-mxs/devices-mx23.h | 2 ++
arch/arm/mach-mxs/devices-mx28.h | 2 ++
arch/arm/mach-mxs/devices/platform-dma.c | 3 +--
arch/arm/mach-mxs/imx28-dt.c | 2 ++
arch/arm/mach-mxs/include/mach/devices-common.h | 3 +++
arch/arm/mach-mxs/mach-apx4devkit.c | 1 +
arch/arm/mach-mxs/mach-m28evk.c | 1 +
arch/arm/mach-mxs/mach-mx23evk.c | 1 +
arch/arm/mach-mxs/mach-mx28evk.c | 1 +
arch/arm/mach-mxs/mach-stmp378x_devb.c | 1 +
arch/arm/mach-mxs/mach-tx28.c | 1 +
12 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 71c7bfb..f0322e9 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -47,6 +47,11 @@
reg = <0x80000000 0x2000>;
};
+ dma-apbh@...04000 {
+ compatible = "fsl,mxs-dma-apbh";
+ reg = <0x80004000 2000>;
+ };
+
ssp@...10000 {
compatible = "fsl,imx28-mmc";
reg = <0x80010000 2000>;
@@ -79,7 +84,12 @@
dma_channel = <3>;
status = "disabled";
};
- };
+
+ dma-apbx@...24000 {
+ compatible = "fsl,mxs-dma-apbx";
+ reg = <0x80024000 2000>;
+ };
+ };
apbx@...40000 {
compatible = "simple-bus";
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index 3fa651d..721c91a 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -31,3 +31,5 @@ struct platform_device *__init mx23_add_mxsfb(
const struct mxsfb_platform_data *pdata);
struct platform_device *__init mx23_add_rtc_stmp3xxx(void);
+
+#define mx23_add_dma() mxs_add_mxs_dma()
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 4f50094..c0cfd4e 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -51,3 +51,5 @@ extern const struct mxs_saif_data mx28_saif_data[] __initconst;
mxs_add_saif(&mx28_saif_data[id], pdata)
struct platform_device *__init mx28_add_rtc_stmp3xxx(void);
+
+#define mx28_add_dma() mxs_add_mxs_dma()
diff --git a/arch/arm/mach-mxs/devices/platform-dma.c b/arch/arm/mach-mxs/devices/platform-dma.c
index 6a0202b..57f851e 100644
--- a/arch/arm/mach-mxs/devices/platform-dma.c
+++ b/arch/arm/mach-mxs/devices/platform-dma.c
@@ -30,7 +30,7 @@ static struct platform_device *__init mxs_add_dma(const char *devid,
DMA_BIT_MASK(32));
}
-static int __init mxs_add_mxs_dma(void)
+int __init mxs_add_mxs_dma(void)
{
char *apbh = "mxs-dma-apbh";
char *apbx = "mxs-dma-apbx";
@@ -47,4 +47,3 @@ static int __init mxs_add_mxs_dma(void)
return 0;
}
-arch_initcall(mxs_add_mxs_dma);
diff --git a/arch/arm/mach-mxs/imx28-dt.c b/arch/arm/mach-mxs/imx28-dt.c
index 429b88e..1c4d317 100644
--- a/arch/arm/mach-mxs/imx28-dt.c
+++ b/arch/arm/mach-mxs/imx28-dt.c
@@ -25,6 +25,8 @@ static const struct of_dev_auxdata imx28_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("fsl,imx28-fec", MX28_ENET_MAC1_BASE_ADDR, "imx28-fec.1", NULL),
OF_DEV_AUXDATA("fsl,imx28-mmc", MX28_SSP0_BASE_ADDR, "mxs-mmc.0", NULL),
OF_DEV_AUXDATA("fsl,imx28-mmc", MX28_SSP1_BASE_ADDR, "mxs-mmc.1", NULL),
+ OF_DEV_AUXDATA("fsl,mxs-dma-apbh", MX28_APBH_DMA_BASE_ADDR, "mxs-dma-apbh", NULL),
+ OF_DEV_AUXDATA("fsl,mxs-dma-apbx", MX28_APBX_DMA_BASE_ADDR, "mxs-dma-apbx", NULL),
{ /* sentinel */ }
};
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index dc369c1..87939a2 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -106,3 +106,6 @@ struct mxs_saif_data {
struct platform_device *__init mxs_add_saif(
const struct mxs_saif_data *data,
const struct mxs_saif_platform_data *pdata);
+
+/* dma */
+int __init mxs_add_mxs_dma(void);
diff --git a/arch/arm/mach-mxs/mach-apx4devkit.c b/arch/arm/mach-mxs/mach-apx4devkit.c
index 48a7fab..92f47e9 100644
--- a/arch/arm/mach-mxs/mach-apx4devkit.c
+++ b/arch/arm/mach-mxs/mach-apx4devkit.c
@@ -210,6 +210,7 @@ static void __init apx4devkit_init(void)
mxs_iomux_setup_multiple_pads(apx4devkit_pads,
ARRAY_SIZE(apx4devkit_pads));
+ mx28_add_dma();
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart1();
diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c
index 06d7996..9a74ce6 100644
--- a/arch/arm/mach-mxs/mach-m28evk.c
+++ b/arch/arm/mach-mxs/mach-m28evk.c
@@ -321,6 +321,7 @@ static void __init m28evk_init(void)
{
mxs_iomux_setup_multiple_pads(m28evk_pads, ARRAY_SIZE(m28evk_pads));
+ mx28_add_dma();
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index 5ea1c57..cabc884 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -143,6 +143,7 @@ static void __init mx23evk_init(void)
mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
+ mx23_add_dma();
mx23_add_duart();
mx23_add_auart0();
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index e386c14..4b645eb 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -415,6 +415,7 @@ static void __init mx28evk_init(void)
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
+ mx28_add_dma();
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c
index a626c07..a391b9e 100644
--- a/arch/arm/mach-mxs/mach-stmp378x_devb.c
+++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c
@@ -88,6 +88,7 @@ static void __init stmp378x_dvb_init(void)
mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads,
ARRAY_SIZE(stmp378x_dvb_pads));
+ mx23_add_dma();
mx23_add_duart();
mx23_add_auart0();
mx23_add_rtc_stmp3xxx();
diff --git a/arch/arm/mach-mxs/mach-tx28.c b/arch/arm/mach-mxs/mach-tx28.c
index 2c0862e..e17e262 100644
--- a/arch/arm/mach-mxs/mach-tx28.c
+++ b/arch/arm/mach-mxs/mach-tx28.c
@@ -149,6 +149,7 @@ static void __init tx28_stk5v3_init(void)
mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads,
ARRAY_SIZE(tx28_stk5v3_pads));
+ mx28_add_dma();
mx28_add_duart(); /* UART1 */
mx28_add_auart(1); /* UART2 */
--
1.7.0.4
--
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