From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9609C433E0 for ; Tue, 23 Jun 2020 02:53:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 979372076A for ; Tue, 23 Jun 2020 02:53:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731783AbgFWCxc (ORCPT ); Mon, 22 Jun 2020 22:53:32 -0400 Received: from mx2.suse.de ([195.135.220.15]:33056 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731873AbgFWCve (ORCPT ); Mon, 22 Jun 2020 22:51:34 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 18F55AE83; Tue, 23 Jun 2020 02:51:33 +0000 (UTC) From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: linux-realtek-soc@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?UTF-8?q?James=20Tai=20=5B=E6=88=B4=E5=BF=97=E5=B3=B0=5D?= , =?UTF-8?q?Stanley=20Chang=20=5B=E6=98=8C=E8=82=B2=E5=BE=B7=5D?= , Edgar Lee , =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [PATCH v2 08/29] soc: realtek: chip: Detect RTD1293 Date: Tue, 23 Jun 2020 04:50:45 +0200 Message-Id: <20200623025106.31273-9-afaerber@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200623025106.31273-1-afaerber@suse.de> References: <20200623025106.31273-1-afaerber@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Logic self-determined by comparing DS418j and DS418 registers. Signed-off-by: Andreas Färber --- TODO: Identify the bit in ISO_CHIP_INFO1:bound_opts and what it really means. v1 -> v2: * Rebased onto iso syscon regmap drivers/soc/realtek/chip.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/soc/realtek/chip.c b/drivers/soc/realtek/chip.c index 103f564aad7f..32ed0e4a3646 100644 --- a/drivers/soc/realtek/chip.c +++ b/drivers/soc/realtek/chip.c @@ -75,8 +75,11 @@ static const char *rtd1295_name(struct device *dev, const struct dhc_soc *s) ret = regmap_read(regmap, REG_ISO_CHIP_INFO1, &val); if (ret) dev_warn(dev, "Could not read chip_info1 (%d)\n", ret); - else if (val & BIT(11)) + else if (val & BIT(11)) { + if (val & BIT(4)) + return "RTD1293"; return "RTD1296"; + } } return "RTD1295"; -- 2.26.2