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.

Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c
index e2d4bd8..328c103 100644 (file)
--- 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 (file)
--- 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 */