[v4,07/11] da850: pruss SUART platform specific additions.

Commit Message

Subhasish Ghosh April 22, 2011, 12:08 p.m. UTC

This patch adds the McASP clock alias.
The alias is used by the pruss suart driver
for enabling the McASP PSC.

Signed-off-by: Subhasish Ghosh <[e-mail]>
---
 arch/arm/mach-davinci/devices-da8xx.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

Patch

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index f51c9ad..8f41ae4 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -567,9 +567,27 @@  static struct platform_device da8xx_pruss_mfddev = {
 	.resource	= da8xx_pruss_resources,
 };
 
+#ifdef CONFIG_SERIAL_PRUSS_SUART_MODULE
+static int da8xx_mcasp_clk_add_alias(void)
+{
+	return clk_add_alias(NULL, "da8xx_pruss_uart.0",
+			NULL, &da850_mcasp_device.dev);
+}
+#else
+static int da8xx_mcasp_clk_add_alias(void)
+{
+	return 0;
+}
+#endif
 int __init da8xx_register_pruss_mfd(struct mfd_cell *cell)
 {
+	int ret;
+
 	da8xx_pruss_mfddev.dev.platform_data = cell;
+
+	ret = da8xx_mcasp_clk_add_alias();
+	if (ret < 0)
+		return ret;
 	return platform_device_register(&da8xx_pruss_mfddev);
 }