From patchwork Wed Dec 11 20:25:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 11286245 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B76E96C1 for ; Wed, 11 Dec 2019 20:24:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D1BD2077B for ; Wed, 11 Dec 2019 20:24:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="SSE5Z1gp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726686AbfLKUYp (ORCPT ); Wed, 11 Dec 2019 15:24:45 -0500 Received: from lelv0143.ext.ti.com ([198.47.23.248]:34034 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726345AbfLKUYp (ORCPT ); Wed, 11 Dec 2019 15:24:45 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id xBBKOaU7106830; Wed, 11 Dec 2019 14:24:36 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1576095876; bh=XOokrT+freFORqVJ8mOrjS85/EC9e13R8A2WaBBWr8o=; h=From:To:CC:Subject:Date; b=SSE5Z1gpd8cEZ+Yv2G4LqsDhfgfhTaufX81SZc19PLwM5rD255jkhBFtT2zYZ6RJD 09npLkZxbY1L96PhL+Yadgt2rvAPvQGQmDGDKEpjZqE5CQq4kxF6PJ1DVRcNCOJFGE qMsuEOM9u+rQzMgV9Oeq7GZbl0A+YUzXMWGjijwM= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id xBBKOaZZ011827 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 11 Dec 2019 14:24:36 -0600 Received: from DFLE103.ent.ti.com (10.64.6.24) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Wed, 11 Dec 2019 14:24:36 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Wed, 11 Dec 2019 14:24:36 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id xBBKOaew059579; Wed, 11 Dec 2019 14:24:36 -0600 From: Dave Gerlach To: , CC: Tony Lindgren , Dave Gerlach Subject: [PATCH] ARM: OMAP2+: am43xx: Add lcdc clockdomain Date: Wed, 11 Dec 2019 14:25:58 -0600 Message-ID: <20191211202558.5988-1-d-gerlach@ti.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org As described in AM437x TRM, spruhl7h, Revised January 2018, there is an LCDC clockdomain present in the PER power domain. Although it is entirely unused on AM437x, it should be defined along with the other clockdomains so it can be shut off by Linux as there are no users. Reported-by: Munan Xu Signed-off-by: Dave Gerlach --- arch/arm/mach-omap2/clockdomains43xx_data.c | 10 ++++++++++ arch/arm/mach-omap2/prcm43xx.h | 1 + 2 files changed, 11 insertions(+) diff --git a/arch/arm/mach-omap2/clockdomains43xx_data.c b/arch/arm/mach-omap2/clockdomains43xx_data.c index 751708d727af..c96a2b1efbad 100644 --- a/arch/arm/mach-omap2/clockdomains43xx_data.c +++ b/arch/arm/mach-omap2/clockdomains43xx_data.c @@ -84,6 +84,15 @@ static struct clockdomain l3s_tsc_43xx_clkdm = { .flags = CLKDM_CAN_SWSUP, }; +static struct clockdomain lcdc_43xx_clkdm = { + .name = "lcdc_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_LCDC_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + static struct clockdomain dss_43xx_clkdm = { .name = "dss_clkdm", .pwrdm = { .name = "per_pwrdm" }, @@ -173,6 +182,7 @@ static struct clockdomain *clockdomains_am43xx[] __initdata = { &pruss_ocp_43xx_clkdm, &ocpwp_l3_43xx_clkdm, &l3s_tsc_43xx_clkdm, + &lcdc_43xx_clkdm, &dss_43xx_clkdm, &l3_aon_43xx_clkdm, &emif_43xx_clkdm, diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h index e2ad14e77064..7078a61c1d3f 100644 --- a/arch/arm/mach-omap2/prcm43xx.h +++ b/arch/arm/mach-omap2/prcm43xx.h @@ -68,6 +68,7 @@ #define AM43XX_CM_PER_ICSS_CDOFFS 0x0300 #define AM43XX_CM_PER_L4LS_CDOFFS 0x0400 #define AM43XX_CM_PER_EMIF_CDOFFS 0x0700 +#define AM43XX_CM_PER_LCDC_CDOFFS 0x0800 #define AM43XX_CM_PER_DSS_CDOFFS 0x0a00 #define AM43XX_CM_PER_CPSW_CDOFFS 0x0b00 #define AM43XX_CM_PER_OCPWP_L3_CDOFFS 0x0c00