linux-kernel - [RFC][PATCH] ARM / shmobile: Support for power domain A4MP on SH7372

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Date:	Sat, 30 Apr 2011 11:56:26 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>
Cc:	Greg KH <gregkh@...e.de>, LKML <linux-kernel@...r.kernel.org>,
	Kevin Hilman <khilman@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Magnus Damm <magnus.damm@...il.com>, linux-sh@...r.kernel.org
Subject: [RFC][PATCH] ARM / shmobile: Support for power domain A4MP on SH7372

From: Rafael J. Wysocki <rjw@...k.pl>

Use the power domains support code added by the previous
patches to implement support for power domain A4MP on SH7372.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---

Hi,

This patch is on top of https://lkml.org/lkml/2011/4/29/490 .

Thanks,
Rafael

---
 arch/arm/mach-shmobile/board-mackerel.c      |    2 ++
 arch/arm/mach-shmobile/include/mach/sh7372.h |    3 +++
 arch/arm/mach-shmobile/pm-sh7372.c           |    7 +++++++
 3 files changed, 12 insertions(+)

Index: linux-2.6/arch/arm/mach-shmobile/pm-sh7372.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-shmobile/pm-sh7372.c
+++ linux-2.6/arch/arm/mach-shmobile/pm-sh7372.c
@@ -90,9 +90,16 @@ static struct sh7372_domain_data sh7372_
 
 struct generic_power_domain sh7372_a4lc_domain;
 
+static struct sh7372_domain_data sh7372_a4mp_domain_data = {
+	.bit_shift = 2,
+};
+
+struct generic_power_domain sh7372_a4mp_domain;
+
 static int __init sh7372_power_domains_init(void)
 {
 	sh7372_init_domain(&sh7372_a4lc_domain, &sh7372_a4lc_domain_data);
+	sh7372_init_domain(&sh7372_a4mp_domain, &sh7372_a4mp_domain_data);
 	return 0;
 }
 core_initcall(sh7372_power_domains_init);
Index: linux-2.6/arch/arm/mach-shmobile/include/mach/sh7372.h
===================================================================
--- linux-2.6.orig/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ linux-2.6/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -475,11 +475,14 @@ struct platform_device;
 #ifdef CONFIG_PM
 extern struct generic_power_domain sh7372_a4lc_domain;
 #define SH7372_A4LC	(&sh7372_a4lc_domain)
+extern struct generic_power_domain sh7372_a4mp_domain;
+#define SH7372_A4MP	(&sh7372_a4mp_domain)
 
 extern void sh7372_add_device_to_domain(struct generic_power_domain *domain,
 					struct platform_device *pdev);
 #else
 #define SH7372_A4LC	NULL
+#define SH7372_A4PM	NULL
 
 static inline void sh7372_add_device_to_domain(struct generic_power_domain *dom,
 					       struct platform_device *pd) {}
Index: linux-2.6/arch/arm/mach-shmobile/board-mackerel.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-shmobile/board-mackerel.c
+++ linux-2.6/arch/arm/mach-shmobile/board-mackerel.c
@@ -1218,6 +1218,8 @@ static void __init mackerel_init(void)
 	sh7372_add_device_to_domain(SH7372_A4LC, &lcdc_device);
 	sh7372_add_device_to_domain(SH7372_A4LC, &hdmi_lcdc_device);
 
+	sh7372_add_device_to_domain(SH7372_A4MP, &fsi_device);
+
 	hdmi_init_pm_clock();
 }
 

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