ARM: DRA7: hwmod: Add data for RNG IP

DRA7 SoC contains hardware random number generator. Add hwmod data for
this IP so that it can be utilized.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[t-kristo@ti.com: squashed the RNG hwmod IP flag fixes from Lokesh,
                  squashed the HS chip fix from Daniel Allred]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 87e9293..2804f06 100644 (file)
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -2641,6 +2641,34 @@ static struct omap_hwmod dra7xx_des_hwmod = {
        },
 };
 
+/* rng */
+static struct omap_hwmod_class_sysconfig dra7xx_rng_sysc = {
+       .rev_offs       = 0x1fe0,
+       .sysc_offs      = 0x1fe4,
+       .sysc_flags     = SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE,
+       .idlemodes      = SIDLE_FORCE | SIDLE_NO,
+       .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class dra7xx_rng_hwmod_class = {
+       .name           = "rng",
+       .sysc           = &dra7xx_rng_sysc,
+};
+
+static struct omap_hwmod dra7xx_rng_hwmod = {
+       .name           = "rng",
+       .class          = &dra7xx_rng_hwmod_class,
+       .flags          = HWMOD_SWSUP_SIDLE,
+       .clkdm_name     = "l4sec_clkdm",
+       .prcm = {
+               .omap4 = {
+                       .clkctrl_offs = DRA7XX_CM_L4SEC_RNG_CLKCTRL_OFFSET,
+                       .context_offs = DRA7XX_RM_L4SEC_RNG_CONTEXT_OFFSET,
+                       .modulemode   = MODULEMODE_HWCTRL,
+               },
+       },
+};
+
 /*
  * 'usb_otg_ss' class
  *
@@ -3798,6 +3826,13 @@ static struct omap_hwmod_ocp_if dra7xx_l4_wkup__uart10 = {
        .user           = OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* l4_per1 -> rng */
+static struct omap_hwmod_ocp_if dra7xx_l4_per1__rng = {
+       .master         = &dra7xx_l4_per1_hwmod,
+       .slave          = &dra7xx_rng_hwmod,
+       .user           = OCP_USER_MPU,
+};
+
 /* l4_per3 -> usb_otg_ss1 */
 static struct omap_hwmod_ocp_if dra7xx_l4_per3__usb_otg_ss1 = {
        .master         = &dra7xx_l4_per3_hwmod,
@@ -4028,6 +4063,7 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
 /* GP-only hwmod links */
 static struct omap_hwmod_ocp_if *dra7xx_gp_hwmod_ocp_ifs[] __initdata = {
        &dra7xx_l4_wkup__timer12,
+       &dra7xx_l4_per1__rng,
        NULL,
 };