linux-kernel - [PATCH] ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX

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Message-Id: <1376924198-22678-1-git-send-email-aida.mynzhasova@skitlab.ru>
Date:	Mon, 19 Aug 2013 18:56:38 +0400
From:	Aida Mynzhasova <aida.mynzhasova@...tlab.ru>
To:	linux-omap@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, tony@...mide.com,
	linux@....linux.org.uk
Subject: [PATCH] ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX

This patch adds alwon powerdomain support for TI81XX, which is required
for stable functioning of a big number of TI81XX subsystems.
---
 arch/arm/mach-omap2/powerdomains3xxx_data.c | 8 ++++++++
 arch/arm/mach-omap2/prcm-common.h           | 1 +
 2 files changed, 9 insertions(+)

diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c
index e2d4bd8..328c103 100644
--- a/arch/arm/mach-omap2/powerdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c
@@ -336,6 +336,13 @@ static struct powerdomain dpll5_pwrdm = {
 	.voltdm		  = { .name = "core" },
 };
 
+static struct powerdomain alwon_81xx_pwrdm = {
+	.name		  = "alwon_pwrdm",
+	.prcm_offs	  = TI81XX_PRM_ALWON_MOD,
+	.pwrsts		  = PWRSTS_OFF_ON,
+	.voltdm		  = { .name = "core" },
+};
+
 static struct powerdomain device_81xx_pwrdm = {
 	.name		  = "device_pwrdm",
 	.prcm_offs	  = TI81XX_PRM_DEVICE_MOD,
@@ -442,6 +449,7 @@ static struct powerdomain *powerdomains_am35x[] __initdata = {
 };
 
 static struct powerdomain *powerdomains_ti81xx[] __initdata = {
+	&alwon_81xx_pwrdm,
 	&device_81xx_pwrdm,
 	&active_816x_pwrdm,
 	&default_816x_pwrdm,
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index ff1ac4a..0e841fd 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -58,6 +58,7 @@
 #define TI816X_PRM_IVAHD1_MOD			0x0d00
 #define TI816X_PRM_IVAHD2_MOD			0x0e00
 #define TI816X_PRM_SGX_MOD				0x0f00
+#define TI81XX_PRM_ALWON_MOD			0x1800
 
 /* 24XX register bits shared between CM & PRM registers */
 
-- 
1.8.1.2

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