linux-kernel - [RFC PATCH v2 6/7] ARM: pxa: mioa701 convert to the new AC97 bus

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Date:	Fri, 27 May 2016 22:26:58 +0200
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, patches@...nsource.wolfsonmicro.com
Subject: [RFC PATCH v2 6/7] ARM: pxa: mioa701 convert to the new AC97 bus

This migration implies :
 - wm9713 device is removed, it will be auto-probed
 - the AC97 bit clock is added as the pxa internally generated 13MHz
   clock

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
 arch/arm/mach-pxa/mioa701.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 38a96a193dc4..e26bace43147 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -19,6 +19,7 @@
  *
  */
 
+#include <linux/clkdev.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
@@ -682,7 +683,6 @@ MIO_SIMPLE_DEV(mioa701_led,	  "leds-gpio",	    &gpio_led_info)
 MIO_SIMPLE_DEV(pxa2xx_pcm,	  "pxa2xx-pcm",	    NULL)
 MIO_SIMPLE_DEV(mioa701_sound,	  "mioa701-wm9713", NULL)
 MIO_SIMPLE_DEV(mioa701_board,	  "mioa701-board",  NULL)
-MIO_SIMPLE_DEV(wm9713_acodec,	  "wm9713-codec",   NULL);
 MIO_SIMPLE_DEV(gpio_vbus,	  "gpio-vbus",      &gpio_vbus_data);
 MIO_SIMPLE_DEV(mioa701_camera,	  "soc-camera-pdrv",&iclink);
 
@@ -690,7 +690,6 @@ static struct platform_device *devices[] __initdata = {
 	&mioa701_gpio_keys,
 	&mioa701_backlight,
 	&mioa701_led,
-	&wm9713_acodec,
 	&pxa2xx_pcm,
 	&mioa701_sound,
 	&power_dev,
@@ -742,6 +741,15 @@ static void __init mioa701_machine_init(void)
 	__raw_writel(0x0001c391, MCATT0);
 	__raw_writel(0x0001c391, MCIO0);
 
+	rc = clk_add_alias("ac97_clk", "pxa2xx-ac97:0", "AC97CONFCLK",
+			   &pxa_device_ac97.dev);
+	if (rc)
+		pr_err("PXA2xx AC97 clock1 alias error: %d\n", rc);
+
+	rc = clk_add_alias("ac97_clk", "pxa2xx-ac97:1", "AC97CONFCLK",
+			   &pxa_device_ac97.dev);
+	if (rc)
+		pr_err("PXA2xx AC97 clock2 alias error: %d\n", rc);
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 	pxa_set_ffuart_info(NULL);
-- 
2.1.4