ARM: OMAP3: hwmod data and setup code for band gap thermal driver

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index c15cfad..982eba8 100644 (file)
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -673,6 +673,29 @@ static inline void omap_init_vout(void) {}
 
 /*-------------------------------------------------------------------------*/
 
+#if defined(CONFIG_ARCH_OMAP3) && \
+       (defined(CONFIG_OMAP3_THERMAL) || defined(CONFIG_OMAP3_THERMAL_MODULE))
+static void omap_init_temp_sensor(void)
+{
+       struct omap_hwmod *oh;
+       struct platform_device *pdev;
+
+       oh = omap_hwmod_lookup("bandgap_ts");
+       if (!oh) {
+               pr_err("%s: unable to find hwmod\n", __func__);
+               return;
+       }
+
+       pdev = omap_device_build("omap3-thermal", -1, oh, NULL, 0, NULL, 0, 0);
+       WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
+                          __func__, PTR_ERR(pdev));
+}
+#else
+static inline void omap_init_temp_sensor(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
 static int __init omap2_init_devices(void)
 {
        /*
@@ -690,6 +713,7 @@ static int __init omap2_init_devices(void)
        omap_init_sham();
        omap_init_aes();
        omap_init_vout();
+       omap_init_temp_sensor();
 
        return 0;
 }

diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index b3e2cd3..2db400d 100644 (file)
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -2967,6 +2967,44 @@ static struct omap_hwmod omap34xx_mcspi4 = {
        .dev_attr       = &omap_mcspi4_dev_attr,
 };
 
+/* temp. sensor */
+struct omap_hwmod_class omap34xx_bandgap_ts_class = {
+       .name   = "bandgap_ts",
+};
+
+static struct omap_hwmod_addr_space omap3xxx_bandgap_ts_addrs[] = {
+       {
+               .name           = "mpu",
+               .pa_start       = 0x48002524,
+               .pa_end         = 0x48002524 + 4,
+               .flags          = ADDR_TYPE_RT
+       },
+       { }
+};
+
+static struct omap_hwmod omap34xx_bandgap_ts;
+
+/* l4_core -> bandgap */
+static struct omap_hwmod_ocp_if omap3xxx_l4_core__bandgap_ts = {
+       .master         = &omap3xxx_l4_core_hwmod,
+       .slave          = &omap34xx_bandgap_ts,
+       .addr           = omap3xxx_bandgap_ts_addrs,
+       .user           = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_ocp_if *omap3xxx_bandgap_ts_slaves[] = {
+       &omap3xxx_l4_core__bandgap_ts,
+};
+
+static struct omap_hwmod omap34xx_bandgap_ts = {
+       .name           = "bandgap_ts",
+       .main_clk       = "ts_fck",
+       .slaves         = omap3xxx_bandgap_ts_slaves,
+       .slaves_cnt     = ARRAY_SIZE(omap3xxx_bandgap_ts_slaves),
+       .class          = &omap34xx_bandgap_ts_class,
+       .flags          = HWMOD_NO_IDLEST,
+};
+
 /*
  * usbhsotg
  */
@@ -3315,6 +3353,8 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
        &omap34xx_mcspi3,
        &omap34xx_mcspi4,
 
+       &omap34xx_bandgap_ts,
+
        NULL,
 };