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[RFC,2/3] am35xx: voltage: Add basic initialization

Message ID 1298483913-20344-3-git-send-email-premi@ti.com (mailing list archive)
State New, archived
Delegated to: Kevin Hilman
Headers show

Commit Message

Sanjeev Premi Feb. 23, 2011, 5:58 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index bbc36e7..63dac11 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -194,6 +194,30 @@  static struct omap_vdd_info omap3_vdd_info[] = {
 
 #define OMAP3_NR_SCALABLE_VDD ARRAY_SIZE(omap3_vdd_info)
 
+/*
+ * AM3517 VDD structures
+ * TODO: The values in vp_offs are just a copy of OMAP3 for now.
+ *       Assignments need to be looked again; but appears that
+ *       they won't ever be used.
+ */
+static struct omap_vdd_info am3517_vdd_info[] = {
+        {
+                .vp_offs = {
+                        .vpconfig       = OMAP3_PRM_VP1_CONFIG_OFFSET,
+                        .vstepmin       = OMAP3_PRM_VP1_VSTEPMIN_OFFSET,
+                        .vstepmax       = OMAP3_PRM_VP1_VSTEPMAX_OFFSET,
+                        .vlimitto       = OMAP3_PRM_VP1_VLIMITTO_OFFSET,
+                        .vstatus        = OMAP3_PRM_VP1_STATUS_OFFSET,
+                        .voltage        = OMAP3_PRM_VP1_VOLTAGE_OFFSET,
+                },
+                .voltdm = {
+                        .name = "mpu",
+                },
+        },
+};
+
+#define AM3517_NR_SCALABLE_VDD 0
+
 /* OMAP4 VDD sturctures */
 static struct omap_vdd_info omap4_vdd_info[] = {
 	{
@@ -1551,11 +1575,30 @@  int __init omap_voltage_late_init(void)
 }
 
 /**
+ * AM35xx - dummy initialization of voltage controller
+ */
+static void __init am3517_vc_init(struct omap_vdd_info *vdd)
+{
+}
+/**
+ * AM35xx - dummy initialization of voltage processor
+ */
+static void __init am3517_vp_init(struct omap_vdd_info *vdd)
+{
+}
+
+/**
  * omap_voltage_early_init()- Volatage driver early init
  */
 static int __init omap_voltage_early_init(void)
 {
-	if (cpu_is_omap34xx()) {
+	if (cpu_is_omap3505() || cpu_is_omap3517()) {
+		vdd_info	= am3517_vdd_info;
+		nr_scalable_vdd	= AM3517_NR_SCALABLE_VDD;
+		vc_init		= am3517_vc_init;
+		vp_init		= am3517_vp_init;
+		vdd_data_configure = omap3_vdd_data_configure;
+	} else if (cpu_is_omap34xx()) {
 		vdd_info = omap3_vdd_info;
 		nr_scalable_vdd = OMAP3_NR_SCALABLE_VDD;
 		vc_init = omap3_vc_init;