From patchwork Wed Jun 1 09:06:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 9146827 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8DA20607D8 for ; Wed, 1 Jun 2016 09:08:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E69C1FFBD for ; Wed, 1 Jun 2016 09:08:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 732FB20410; Wed, 1 Jun 2016 09:08:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.2 required=2.0 tests=BAYES_00,FSL_HELO_HOME, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3624022473 for ; Wed, 1 Jun 2016 09:08:58 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b827l-0003mj-5O; Wed, 01 Jun 2016 09:07:37 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b827Y-0003Vp-PC for linux-arm-kernel@lists.infradead.org; Wed, 01 Jun 2016 09:07:25 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id u5196cUO021011; Wed, 1 Jun 2016 04:06:39 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5196h1a032405; Wed, 1 Jun 2016 04:06:43 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Wed, 1 Jun 2016 04:06:43 -0500 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5196dDE028171; Wed, 1 Jun 2016 04:06:40 -0500 From: Tero Kristo To: , , , , Subject: [PATCH 19/28] ARM: DRA7: hwmod: Add data for RNG IP Date: Wed, 1 Jun 2016 12:06:40 +0300 Message-ID: <1464772000-11216-1-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464771389-10640-1-git-send-email-t-kristo@ti.com> References: <1464771389-10640-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160601_020724_962000_98C9A97B X-CRM114-Status: UNSURE ( 8.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lokeshvutla@ti.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Joel Fernandes DRA7 SoC contains hardware random number generator. Add hwmod data for this IP so that it can be utilized. Signed-off-by: Joel Fernandes Signed-off-by: Lokesh Vutla [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 --- arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 36 +++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 8932619..0508067 100644 --- 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 * @@ -3839,6 +3867,13 @@ 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, @@ -4069,6 +4104,7 @@ 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, };