From patchwork Fri Sep 17 02:32:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhiyong.tao" X-Patchwork-Id: 12500779 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=-14.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UNWANTED_LANGUAGE_BODY,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 E1A90C433F5 for ; Fri, 17 Sep 2021 02:40:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A206B61108 for ; Fri, 17 Sep 2021 02:40:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A206B61108 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GxTA8GfkDS1KRSSTl6+ZnMZcaTIUBLhXQ0RdASyVhSc=; b=Cdcxm/2ndPGbqS p3zHKa/19g/1+zMEdfdD74eTcMvTe0Wb8/mfQi21uxJnKLyM1aAgEFVQ76Awn/Ku6UXgixRquwBzy iJQ9Eh0++2v6uN2ROijbNwMZriYN34M6LPAoK9qd1y66YyjNcs1QqgkN3FXn9/q/afGxb+nTRhrFR uFYYszlaYzsHBbWrXQmLYlIYM6rWQVTgmDsA4KEvSu0mFZ1SUcNuxiW+hT/s4dZ9h4DMH8MmBieNl YxD6G7Li2riDLUpItq1IPDy+RYWNnx4E3hB9NSMnE7O5JQfRST+HD9jn57A9Nnm4alTmtMGIexsQ1 1Et/xjL0aI5lLxrRKWPQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3lJ-00CzE8-Ko; Fri, 17 Sep 2021 02:38:02 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3kN-00Cynf-7s; Fri, 17 Sep 2021 02:37:04 +0000 X-UUID: 36f8cf1509614e9b80190c0c8d334ea8-20210916 X-UUID: 36f8cf1509614e9b80190c0c8d334ea8-20210916 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1626611646; Thu, 16 Sep 2021 19:37:01 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 19:32:20 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 10:32:18 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 10:32:17 +0800 From: Zhiyong Tao To: , , , , CC: , , , , , , , , , , , , , Rob Herring Subject: [PATCH v12 1/5] dt-bindings: pinctrl: mt8195: add rsel define Date: Fri, 17 Sep 2021 10:32:12 +0800 Message-ID: <20210917023216.18384-2-zhiyong.tao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917023216.18384-1-zhiyong.tao@mediatek.com> References: <20210917023216.18384-1-zhiyong.tao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_193703_327689_BAF6BAE1 X-CRM114-Status: UNSURE ( 8.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch adds rsel define for mt8195. Signed-off-by: Zhiyong Tao Acked-by: Rob Herring --- include/dt-bindings/pinctrl/mt65xx.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/dt-bindings/pinctrl/mt65xx.h b/include/dt-bindings/pinctrl/mt65xx.h index 7e16e58fe1f7..f5934abcd1bd 100644 --- a/include/dt-bindings/pinctrl/mt65xx.h +++ b/include/dt-bindings/pinctrl/mt65xx.h @@ -16,6 +16,15 @@ #define MTK_PUPD_SET_R1R0_10 102 #define MTK_PUPD_SET_R1R0_11 103 +#define MTK_PULL_SET_RSEL_000 200 +#define MTK_PULL_SET_RSEL_001 201 +#define MTK_PULL_SET_RSEL_010 202 +#define MTK_PULL_SET_RSEL_011 203 +#define MTK_PULL_SET_RSEL_100 204 +#define MTK_PULL_SET_RSEL_101 205 +#define MTK_PULL_SET_RSEL_110 206 +#define MTK_PULL_SET_RSEL_111 207 + #define MTK_DRIVE_2mA 2 #define MTK_DRIVE_4mA 4 #define MTK_DRIVE_6mA 6 From patchwork Fri Sep 17 02:32:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhiyong.tao" X-Patchwork-Id: 12500781 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 2A770C433F5 for ; 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bh=oMolb74dBRMhrt3nAYpTAP5TgH3H5yJ0887j+1Nh5SA=; b=yr6WmitZRQSSAv 7UevMvYKaJzTeb0sjZaDn3lgWT5YgBnGeCmu2q1Lhi6jl+WOAU7co63BoIdK5DIACS2ral8vytess 8BdYJQ3aKCUIHZM+vIPsh3yhpcrrT+TSIB+K3VqOZLSVSGsLtg8DXdvvdNRYBUv8/FiTV8YG+eyRw MtcLwniB1lgJ+7lBC+8JHYkG8NRVLONTSzNcF8/Dh+9EeIPetRmwSH6zBu7AAv8jLxGlk7jZlEBkB p5pjBNayRvJWBJPHM4xpnhlSjyMlsS8nO6R+z0XBzLLxmEsWIMA2TAy9Ek756A62RAhUOcE3STTub qXmik8FLaKTZcuW4cTNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3ls-00CzYu-No; Fri, 17 Sep 2021 02:38:37 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3kO-00CyoP-8W; Fri, 17 Sep 2021 02:37:05 +0000 X-UUID: 9bb275f549834f4f8d29a299b7c4771f-20210916 X-UUID: 9bb275f549834f4f8d29a299b7c4771f-20210916 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 107088572; Thu, 16 Sep 2021 19:37:01 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 19:32:21 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 10:32:20 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 10:32:18 +0800 From: Zhiyong Tao To: , , , , CC: , , , , , , , , , , , , Subject: [PATCH v12 2/5] dt-bindings: pinctrl: mt8195: change pull up/down description Date: Fri, 17 Sep 2021 10:32:13 +0800 Message-ID: <20210917023216.18384-3-zhiyong.tao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917023216.18384-1-zhiyong.tao@mediatek.com> References: <20210917023216.18384-1-zhiyong.tao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_193704_454190_66E6A208 X-CRM114-Status: GOOD ( 10.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org For supporting SI units in "bias-pull-down" & "bias-pull-up", Change pull up/down description Signed-off-by: Zhiyong Tao --- .../bindings/pinctrl/pinctrl-mt8195.yaml | 65 ++++++++++++++++++- 1 file changed, 63 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml index 2f12ec59eee5..e6fc7a2978dc 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml @@ -85,9 +85,70 @@ patternProperties: 2/4/6/8/10/12/14/16mA in mt8195. enum: [0, 1, 2, 3, 4, 5, 6, 7] - bias-pull-down: true + bias-pull-down: + description: | + For pull down type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull down type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" + define in mt8195. + For pull down type is RSEL, it can add RSEL define & resistance value(ohm) + to set different resistance by identifying property "mediatek,rsel_resistance_in_si_unit". + It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" + & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & "MTK_PULL_SET_RSEL_100" + & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" + define in mt8195. It can also support resistance value(ohm) "75000" & "5000" in mt8195. + An example of using RSEL define: + pincontroller { + i2c0_pin { + pinmux = ; + bias-pull-up = ; + }; + }; + An example of using si unit resistance value(ohm): + &pio { + mediatek,rsel_resistance_in_si_unit; + } + pincontroller { + i2c0_pin { + pinmux = ; + bias-pull-down = <75000>; + }; + }; - bias-pull-up: true + bias-pull-up: + description: | + For pull up type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull up type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" + define in mt8195. + For pull up type is RSEL, it can add RSEL define & resistance value(ohm) + to set different resistance by identifying property "mediatek,rsel_resistance_in_si_unit". + It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" + & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & "MTK_PULL_SET_RSEL_100" + & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" + define in mt8195. It can also support resistance value(ohm) + "1000" & "1500" & "2000" & "3000" & "4000" & "5000" & "10000" & "75000" in mt8195. + An example of using RSEL define: + pincontroller { + i2c0_pin { + pinmux = ; + bias-pull-down = ; + }; + }; + An example of using si unit resistance value(ohm): + &pio { + mediatek,rsel_resistance_in_si_unit; + } + pincontroller { + i2c0_pin { + pinmux = ; + bias-pull-down = <1000>; + }; + }; bias-disable: true From patchwork Fri Sep 17 02:32:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhiyong.tao" X-Patchwork-Id: 12500773 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 592CEC433FE for ; Fri, 17 Sep 2021 02:35:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 296C061164 for ; Fri, 17 Sep 2021 02:35:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 296C061164 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eSx/RL5PZzp/mtBmwFTBT05OuEH67Hxpxq1jngoIzAo=; b=TkHyM4MR2GgeZq zRgC59OkxbVNKBr5Bs9FmuIZiIAeJ9SbsMluNI7zTR494qf7oaV+frXb1YILAESvhNpbXRyHDmoUQ V9A+LDl2+Y+kAVlD084ghqQ05+aTlJu0DR+LIz/qrQOQijaPPOpAo2pNQ63ig39LNMpcenYxe9EMS Vp/+JutWtZmDlGXADe/VRS0uKhpk81apoT3i8WYrk4ZQYM/TZxkN2kB60lnkJFX1Qkj5+OiGJPJmO HZwM2QFwG/Iuwzj6iiAajCJtoCBPNgwDZsoxpBtlnRpKWuJmNQrvYRFGT8yvJCxHvPJhSNh4tPTSV J7Axv9fx46Mjg3paZ4sA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3g9-00CwRP-9j; Fri, 17 Sep 2021 02:32:42 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3fw-00CwN1-FD; Fri, 17 Sep 2021 02:32:29 +0000 X-UUID: 9d5f207a4c5f4c21b7375c9aac833da1-20210916 X-UUID: 9d5f207a4c5f4c21b7375c9aac833da1-20210916 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1329582576; Thu, 16 Sep 2021 19:32:25 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 19:32:23 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 10:32:21 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 10:32:20 +0800 From: Zhiyong Tao To: , , , , CC: , , , , , , , , , , , , Subject: [PATCH v12 3/5] pinctrl: mediatek: fix coding style Date: Fri, 17 Sep 2021 10:32:14 +0800 Message-ID: <20210917023216.18384-4-zhiyong.tao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917023216.18384-1-zhiyong.tao@mediatek.com> References: <20210917023216.18384-1-zhiyong.tao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_193228_571102_C2BEEFA6 X-CRM114-Status: GOOD ( 10.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fix Camel spelling coding style to avoid checkpatch warning in a following patch. Signed-off-by: Zhiyong Tao --- drivers/pinctrl/mediatek/pinctrl-paris.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index 85db2e4377f0..38aec0177d15 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -577,7 +577,7 @@ static int mtk_hw_get_value_wrap(struct mtk_pinctrl *hw, unsigned int gpio, int mtk_hw_get_value_wrap(hw, gpio, PINCTRL_PIN_REG_DRV) ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, - unsigned int gpio, char *buf, unsigned int bufLen) + unsigned int gpio, char *buf, unsigned int buf_len) { int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1; const struct mtk_pin_desc *desc; @@ -610,7 +610,7 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, } else if (pullen != MTK_DISABLE && pullen != MTK_ENABLE) { pullen = 0; } - len += scnprintf(buf + len, bufLen - len, + len += scnprintf(buf + len, buf_len - len, "%03d: %1d%1d%1d%1d%02d%1d%1d%1d%1d", gpio, pinmux, @@ -624,10 +624,10 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, pullup); if (r1 != -1) { - len += scnprintf(buf + len, bufLen - len, " (%1d %1d)\n", + len += scnprintf(buf + len, buf_len - len, " (%1d %1d)\n", r1, r0); } else { - len += scnprintf(buf + len, bufLen - len, "\n"); + len += scnprintf(buf + len, buf_len - len, "\n"); } return len; From patchwork Fri Sep 17 02:32:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhiyong.tao" X-Patchwork-Id: 12500777 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 70EB6C433F5 for ; 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bh=6YoGgFUs5A5FFQi1P4ILx8AOalrc4L+ZcEzX7/6/Yy0=; b=g8uVn2d9LQo9ef 1GGBlLyo5zNDkK1MV0Syl+Ryi+zgD/kAP9hjCXZvWUKxJo422+6yCkgd6KsSTiH1IuTDZtAvnQ8GK ikwIDqDb4c4nwvwbeYbAJa4D6MEnIOWp1D4XnRhpPXudm4LE6vDNEteoLGSrtm3bM7r3VSX9CSCCt DWW6Nhwl5aqMkJ7GNhzRGu8AUAg9ApTUGrtM8ozWiBVwbX/XIG23J0zXz2AMxvPFQefHovp6R1GDZ lq8bju6i1kvOOWqtU94PfF1VJT+L5vVO8CVnJOPlUhbB/nbPgKxLLNiJkGDTt8LhWO+t+ymWBcxvV 4pk1TD+7BWyivq/W8hOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3gW-00CwYu-At; Fri, 17 Sep 2021 02:33:04 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR3fz-00CwOQ-5R; Fri, 17 Sep 2021 02:32:33 +0000 X-UUID: f2bd229d0b204e219d9dbcd4c0d60d57-20210916 X-UUID: f2bd229d0b204e219d9dbcd4c0d60d57-20210916 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1069883971; Thu, 16 Sep 2021 19:32:26 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 19:32:24 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 10:32:22 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 10:32:21 +0800 From: Zhiyong Tao To: , , , , CC: , , , , , , , , , , , , Subject: [PATCH v12 4/5] pinctrl: mediatek: support rsel feature Date: Fri, 17 Sep 2021 10:32:15 +0800 Message-ID: <20210917023216.18384-5-zhiyong.tao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917023216.18384-1-zhiyong.tao@mediatek.com> References: <20210917023216.18384-1-zhiyong.tao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_193231_282488_8960C22B X-CRM114-Status: GOOD ( 23.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch supports rsel(resistance selection) feature for I2C pins. It provides more resistance selection solution in different ICs. It provides rsel define and si unit solution by identifying "mediatek,rsel_resistance_in_si_unit" property in pio dtsi node. Signed-off-by: Zhiyong Tao --- .../pinctrl/mediatek/pinctrl-mtk-common-v2.c | 231 +++++++++++++++--- .../pinctrl/mediatek/pinctrl-mtk-common-v2.h | 45 ++++ drivers/pinctrl/mediatek/pinctrl-paris.c | 60 +++-- 3 files changed, 288 insertions(+), 48 deletions(-) diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 5b3b048725cc..a73a5f624228 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -661,6 +661,181 @@ static int mtk_pinconf_bias_set_pupd_r1_r0(struct mtk_pinctrl *hw, return err; } +static int mtk_hw_pin_rsel_lookup(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, + u32 pullup, u32 arg, u32 *rsel_val) +{ + const struct mtk_pin_rsel *rsel; + int check; + bool found = false; + + rsel = hw->soc->pin_rsel; + + for (check = 0; check <= hw->soc->npin_rsel - 1; check++) { + if (desc->number >= rsel[check].s_pin && + desc->number <= rsel[check].e_pin) { + if (pullup) { + if (rsel[check].up_rsel == arg) { + found = true; + *rsel_val = rsel[check].rsel_index; + break; + } + } else { + if (rsel[check].down_rsel == arg) { + found = true; + *rsel_val = rsel[check].rsel_index; + break; + } + } + } + } + + if (!found) { + dev_err(hw->dev, "Not support rsel value %d Ohm for pin = %d (%s)\n", + arg, desc->number, desc->name); + return -EOPNOTSUPP; + } + + return 0; +} + +static int mtk_pinconf_bias_set_rsel(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, + u32 pullup, u32 arg) +{ + int err, rsel_val; + + if (hw->rsel_si_unit) { + /* find pin rsel_index from pin_rsel array*/ + err = mtk_hw_pin_rsel_lookup(hw, desc, pullup, arg, &rsel_val); + if (err) + goto out; + } else { + if (arg < MTK_PULL_SET_RSEL_000 || + arg > MTK_PULL_SET_RSEL_111) { + err = -EINVAL; + goto out; + } + + rsel_val = arg - MTK_PULL_SET_RSEL_000; + } + + err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_RSEL, rsel_val); + if (err) + goto out; + + err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, MTK_ENABLE); + +out: + return err; +} + +int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, + u32 pullup, u32 arg) +{ + int err = -EOPNOTSUPP; + u32 try_all_type; + + if (hw->soc->pull_type) + try_all_type = hw->soc->pull_type[desc->number]; + else + try_all_type = MTK_PULL_TYPE_MASK; + + if (try_all_type & MTK_PULL_RSEL_TYPE) { + err = mtk_pinconf_bias_set_rsel(hw, desc, pullup, arg); + if (!err) + return err; + } + + if (try_all_type & MTK_PULL_PU_PD_TYPE) { + err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, arg); + if (!err) + return err; + } + + if (try_all_type & MTK_PULL_PULLSEL_TYPE) { + err = mtk_pinconf_bias_set_pullsel_pullen(hw, desc, + pullup, arg); + if (!err) + return err; + } + + if (try_all_type & MTK_PULL_PUPD_R1R0_TYPE) + err = mtk_pinconf_bias_set_pupd_r1_r0(hw, desc, pullup, arg); + + if (err) + dev_err(hw->dev, "Invalid pull argument\n"); + + return err; +} +EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_combo); + +static int mtk_rsel_get_si_unit(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, + u32 pullup, u32 rsel_val, u32 *si_unit) +{ + const struct mtk_pin_rsel *rsel; + int check; + + rsel = hw->soc->pin_rsel; + + for (check = 0; check <= hw->soc->npin_rsel - 1; check++) { + if (desc->number >= rsel[check].s_pin && + desc->number <= rsel[check].e_pin) { + if (rsel_val == rsel[check].rsel_index) { + if (pullup) + *si_unit = rsel[check].up_rsel; + else + *si_unit = rsel[check].down_rsel; + break; + } + } + } + + return 0; +} + +static int mtk_pinconf_bias_get_rsel(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, + u32 *pullup, u32 *enable) +{ + int pu, pd, rsel, err; + + err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_RSEL, &rsel); + if (err) + goto out; + + err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PU, &pu); + if (err) + goto out; + + err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PD, &pd); + + if (pu == 0 && pd == 0) { + *pullup = 0; + *enable = MTK_DISABLE; + } else if (pu == 1 && pd == 0) { + *pullup = 1; + if (hw->rsel_si_unit) + mtk_rsel_get_si_unit(hw, desc, *pullup, rsel, enable); + else + *enable = rsel + MTK_PULL_SET_RSEL_000; + } else if (pu == 0 && pd == 1) { + *pullup = 0; + if (hw->rsel_si_unit) + mtk_rsel_get_si_unit(hw, desc, *pullup, rsel, enable); + else + *enable = rsel + MTK_PULL_SET_RSEL_000; + } else { + err = -EINVAL; + goto out; + } + +out: + return err; +} + static int mtk_pinconf_bias_get_pu_pd(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *pullup, u32 *enable) @@ -742,44 +917,40 @@ static int mtk_pinconf_bias_get_pupd_r1_r0(struct mtk_pinctrl *hw, return err; } -int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw, - const struct mtk_pin_desc *desc, - u32 pullup, u32 arg) -{ - int err; - - err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, arg); - if (!err) - goto out; - - err = mtk_pinconf_bias_set_pullsel_pullen(hw, desc, pullup, arg); - if (!err) - goto out; - - err = mtk_pinconf_bias_set_pupd_r1_r0(hw, desc, pullup, arg); - -out: - return err; -} -EXPORT_SYMBOL_GPL(mtk_pinconf_bias_set_combo); - int mtk_pinconf_bias_get_combo(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *pullup, u32 *enable) { - int err; + int err = -EOPNOTSUPP; + u32 try_all_type; - err = mtk_pinconf_bias_get_pu_pd(hw, desc, pullup, enable); - if (!err) - goto out; + if (hw->soc->pull_type) + try_all_type = hw->soc->pull_type[desc->number]; + else + try_all_type = MTK_PULL_TYPE_MASK; - err = mtk_pinconf_bias_get_pullsel_pullen(hw, desc, pullup, enable); - if (!err) - goto out; + if (try_all_type & MTK_PULL_RSEL_TYPE) { + err = mtk_pinconf_bias_get_rsel(hw, desc, pullup, enable); + if (!err) + return err; + } - err = mtk_pinconf_bias_get_pupd_r1_r0(hw, desc, pullup, enable); + if (try_all_type & MTK_PULL_PU_PD_TYPE) { + err = mtk_pinconf_bias_get_pu_pd(hw, desc, pullup, enable); + if (!err) + return err; + } + + if (try_all_type & MTK_PULL_PULLSEL_TYPE) { + err = mtk_pinconf_bias_get_pullsel_pullen(hw, desc, + pullup, enable); + if (!err) + return err; + } + + if (try_all_type & MTK_PULL_PUPD_R1R0_TYPE) + err = mtk_pinconf_bias_get_pupd_r1_r0(hw, desc, pullup, enable); -out: return err; } EXPORT_SYMBOL_GPL(mtk_pinconf_bias_get_combo); diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h index a6f1bdb2083b..4908c7aedbe0 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h @@ -17,6 +17,22 @@ #define MTK_ENABLE 1 #define MTK_PULLDOWN 0 #define MTK_PULLUP 1 +#define MTK_PULL_PU_PD_TYPE BIT(0) +#define MTK_PULL_PULLSEL_TYPE BIT(1) +#define MTK_PULL_PUPD_R1R0_TYPE BIT(2) +/* MTK_PULL_RSEL_TYPE can select resistance and can be + * turned on/off itself. But it can't be selected pull up/down + */ +#define MTK_PULL_RSEL_TYPE BIT(3) +/* MTK_PULL_PU_PD_RSEL_TYPE is a type which is controlled by + * MTK_PULL_PU_PD_TYPE and MTK_PULL_RSEL_TYPE. + */ +#define MTK_PULL_PU_PD_RSEL_TYPE (MTK_PULL_PU_PD_TYPE \ + | MTK_PULL_RSEL_TYPE) +#define MTK_PULL_TYPE_MASK (MTK_PULL_PU_PD_TYPE |\ + MTK_PULL_PULLSEL_TYPE |\ + MTK_PULL_PUPD_R1R0_TYPE |\ + MTK_PULL_RSEL_TYPE) #define EINT_NA U16_MAX #define NO_EINT_SUPPORT EINT_NA @@ -42,6 +58,14 @@ PIN_FIELD_CALC(_s_pin, _e_pin, 0, _s_addr, _x_addrs, _s_bit, \ _x_bits, 32, 1) +#define PIN_RSEL(_s_pin, _e_pin, _rsel_index, _up_resl, _down_rsel) { \ + .s_pin = _s_pin, \ + .e_pin = _e_pin, \ + .rsel_index = _rsel_index, \ + .up_rsel = _up_resl, \ + .down_rsel = _down_rsel, \ + } + /* List these attributes which could be modified for the pin */ enum { PINCTRL_PIN_REG_MODE, @@ -67,6 +91,7 @@ enum { PINCTRL_PIN_REG_DRV_E0, PINCTRL_PIN_REG_DRV_E1, PINCTRL_PIN_REG_DRV_ADV, + PINCTRL_PIN_REG_RSEL, PINCTRL_PIN_REG_MAX, }; @@ -129,6 +154,21 @@ struct mtk_pin_field_calc { u8 fixed; }; +/* struct mtk_pin_rsel - the structure that provides bias resistance selection. + * @s_pin: the start pin within the rsel range + * @e_pin: the end pin within the rsel range + * @rsel_index: the rsel bias resistance index + * @up_rsel: the pullup rsel bias resistance value + * @down_rsel: the pulldown rsel bias resistance value + */ +struct mtk_pin_rsel { + u16 s_pin; + u16 e_pin; + u16 rsel_index; + u32 up_rsel; + u32 down_rsel; +}; + /* struct mtk_pin_reg_calc - the structure that holds all ranges used to * determine which register the pin would make use of * for certain pin attribute. @@ -206,6 +246,9 @@ struct mtk_pin_soc { bool ies_present; const char * const *base_names; unsigned int nbase_names; + const unsigned int *pull_type; + const struct mtk_pin_rsel *pin_rsel; + unsigned int npin_rsel; /* Specific pinconfig operations */ int (*bias_disable_set)(struct mtk_pinctrl *hw, @@ -254,6 +297,8 @@ struct mtk_pinctrl { const char **grp_names; /* lock pin's register resource to avoid multiple threads issue*/ spinlock_t lock; + /* identify rsel setting by si unit or rsel define in dts node */ + bool rsel_si_unit; }; void mtk_rmw(struct mtk_pinctrl *pctl, u8 i, u32 reg, u32 mask, u32 set); diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index 38aec0177d15..d4e02c5d74a8 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -579,8 +579,9 @@ static int mtk_hw_get_value_wrap(struct mtk_pinctrl *hw, unsigned int gpio, int ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, unsigned int gpio, char *buf, unsigned int buf_len) { - int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1; + int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1, rsel = -1; const struct mtk_pin_desc *desc; + u32 try_all_type; if (gpio >= hw->soc->npins) return -EINVAL; @@ -591,24 +592,39 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, pinmux -= hw->soc->nfuncs; mtk_pinconf_bias_get_combo(hw, desc, &pullup, &pullen); - if (pullen == MTK_PUPD_SET_R1R0_00) { - pullen = 0; - r1 = 0; - r0 = 0; - } else if (pullen == MTK_PUPD_SET_R1R0_01) { - pullen = 1; - r1 = 0; - r0 = 1; - } else if (pullen == MTK_PUPD_SET_R1R0_10) { - pullen = 1; - r1 = 1; - r0 = 0; - } else if (pullen == MTK_PUPD_SET_R1R0_11) { + + if (hw->soc->pull_type) + try_all_type = hw->soc->pull_type[desc->number]; + + if (hw->rsel_si_unit && (try_all_type & MTK_PULL_RSEL_TYPE)) { + rsel = pullen; pullen = 1; - r1 = 1; - r0 = 1; - } else if (pullen != MTK_DISABLE && pullen != MTK_ENABLE) { - pullen = 0; + } else { + /* Case for: R1R0 */ + if (pullen == MTK_PUPD_SET_R1R0_00) { + pullen = 0; + r1 = 0; + r0 = 0; + } else if (pullen == MTK_PUPD_SET_R1R0_01) { + pullen = 1; + r1 = 0; + r0 = 1; + } else if (pullen == MTK_PUPD_SET_R1R0_10) { + pullen = 1; + r1 = 1; + r0 = 0; + } else if (pullen == MTK_PUPD_SET_R1R0_11) { + pullen = 1; + r1 = 1; + r0 = 1; + } + + /* Case for: RSEL */ + if (pullen >= MTK_PULL_SET_RSEL_000 && + pullen <= MTK_PULL_SET_RSEL_111) { + rsel = pullen - MTK_PULL_SET_RSEL_000; + pullen = 1; + } } len += scnprintf(buf + len, buf_len - len, "%03d: %1d%1d%1d%1d%02d%1d%1d%1d%1d", @@ -626,6 +642,8 @@ ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw, if (r1 != -1) { len += scnprintf(buf + len, buf_len - len, " (%1d %1d)\n", r1, r0); + } else if (rsel != -1) { + len += scnprintf(buf + len, buf_len - len, " (%1d)\n", rsel); } else { len += scnprintf(buf + len, buf_len - len, "\n"); } @@ -970,6 +988,12 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev, hw->nbase = hw->soc->nbase_names; + if (of_find_property(hw->dev->of_node, + "mediatek,rsel_resistance_in_si_unit", NULL)) + hw->rsel_si_unit = true; + else + hw->rsel_si_unit = false; + spin_lock_init(&hw->lock); err = mtk_pctrl_build_state(pdev); From patchwork Fri Sep 17 02:32:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhiyong.tao" X-Patchwork-Id: 12500775 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UPPERCASE_50_75,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 5AB1EC4332F for ; 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Thu, 16 Sep 2021 19:32:26 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 19:32:25 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 10:32:24 +0800 Received: from localhost.localdomain (10.17.3.154) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 10:32:23 +0800 From: Zhiyong Tao To: , , , , CC: , , , , , , , , , , , , Subject: [PATCH v12 5/5] pinctrl: mediatek: add rsel setting on MT8195 Date: Fri, 17 Sep 2021 10:32:16 +0800 Message-ID: <20210917023216.18384-6-zhiyong.tao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210917023216.18384-1-zhiyong.tao@mediatek.com> References: <20210917023216.18384-1-zhiyong.tao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_193230_282760_D171101F X-CRM114-Status: GOOD ( 10.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org I2C pins's resistance value can be controlled by rsel register. This patch provides rsel (resistance selection) setting on MT8195 Signed-off-by: Zhiyong Tao --- drivers/pinctrl/mediatek/pinctrl-mt8195.c | 133 ++++++++++++++++++++++ 1 file changed, 133 insertions(+) diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8195.c b/drivers/pinctrl/mediatek/pinctrl-mt8195.c index a7500e18bb1d..9ba86c80c07a 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mt8195.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt8195.c @@ -779,6 +779,135 @@ static const struct mtk_pin_field_calc mt8195_pin_drv_adv_range[] = { PIN_FIELD_BASE(45, 45, 1, 0x040, 0x10, 9, 3), }; +static const struct mtk_pin_field_calc mt8195_pin_rsel_range[] = { + PIN_FIELD_BASE(8, 8, 4, 0x0c0, 0x10, 15, 3), + PIN_FIELD_BASE(9, 9, 4, 0x0c0, 0x10, 0, 3), + PIN_FIELD_BASE(10, 10, 4, 0x0c0, 0x10, 18, 3), + PIN_FIELD_BASE(11, 11, 4, 0x0c0, 0x10, 3, 3), + PIN_FIELD_BASE(12, 12, 4, 0x0c0, 0x10, 21, 3), + PIN_FIELD_BASE(13, 13, 4, 0x0c0, 0x10, 6, 3), + PIN_FIELD_BASE(14, 14, 4, 0x0c0, 0x10, 24, 3), + PIN_FIELD_BASE(15, 15, 4, 0x0c0, 0x10, 9, 3), + PIN_FIELD_BASE(16, 16, 4, 0x0c0, 0x10, 27, 3), + PIN_FIELD_BASE(17, 17, 4, 0x0c0, 0x10, 12, 3), + PIN_FIELD_BASE(29, 29, 2, 0x080, 0x10, 0, 3), + PIN_FIELD_BASE(30, 30, 2, 0x080, 0x10, 3, 3), + PIN_FIELD_BASE(34, 34, 1, 0x0e0, 0x10, 0, 3), + PIN_FIELD_BASE(35, 35, 1, 0x0e0, 0x10, 3, 3), + PIN_FIELD_BASE(44, 44, 1, 0x0e0, 0x10, 6, 3), + PIN_FIELD_BASE(45, 45, 1, 0x0e0, 0x10, 9, 3), +}; + +static const struct mtk_pin_rsel mt8195_pin_rsel_val_range[] = { + PIN_RSEL(8, 17, 0x0, 75000, 75000), + PIN_RSEL(8, 17, 0x1, 10000, 5000), + PIN_RSEL(8, 17, 0x2, 5000, 75000), + PIN_RSEL(8, 17, 0x3, 4000, 5000), + PIN_RSEL(8, 17, 0x4, 3000, 75000), + PIN_RSEL(8, 17, 0x5, 2000, 5000), + PIN_RSEL(8, 17, 0x6, 1500, 75000), + PIN_RSEL(8, 17, 0x7, 1000, 5000), + PIN_RSEL(29, 30, 0x0, 75000, 75000), + PIN_RSEL(29, 30, 0x1, 10000, 5000), + PIN_RSEL(29, 30, 0x2, 5000, 75000), + PIN_RSEL(29, 30, 0x3, 4000, 5000), + PIN_RSEL(29, 30, 0x4, 3000, 75000), + PIN_RSEL(29, 30, 0x5, 2000, 5000), + PIN_RSEL(29, 30, 0x6, 1500, 75000), + PIN_RSEL(29, 30, 0x7, 1000, 5000), + PIN_RSEL(34, 35, 0x0, 75000, 75000), + PIN_RSEL(34, 35, 0x1, 10000, 5000), + PIN_RSEL(34, 35, 0x2, 5000, 75000), + PIN_RSEL(34, 35, 0x3, 4000, 5000), + PIN_RSEL(34, 35, 0x4, 3000, 75000), + PIN_RSEL(34, 35, 0x5, 2000, 5000), + PIN_RSEL(34, 35, 0x6, 1500, 75000), + PIN_RSEL(34, 35, 0x7, 1000, 5000), + PIN_RSEL(44, 45, 0x0, 75000, 75000), + PIN_RSEL(44, 45, 0x1, 10000, 5000), + PIN_RSEL(44, 45, 0x2, 5000, 75000), + PIN_RSEL(44, 45, 0x3, 4000, 5000), + PIN_RSEL(44, 45, 0x4, 3000, 75000), + PIN_RSEL(44, 45, 0x5, 2000, 5000), + PIN_RSEL(44, 45, 0x6, 1500, 75000), + PIN_RSEL(44, 45, 0x7, 1000, 5000), +}; + +static const unsigned int mt8195_pull_type[] = { + MTK_PULL_PUPD_R1R0_TYPE /* 0 */, MTK_PULL_PUPD_R1R0_TYPE /* 1 */, + MTK_PULL_PUPD_R1R0_TYPE /* 2 */, MTK_PULL_PUPD_R1R0_TYPE /* 3 */, + MTK_PULL_PUPD_R1R0_TYPE /* 4 */, MTK_PULL_PUPD_R1R0_TYPE /* 5 */, + MTK_PULL_PU_PD_TYPE /* 6 */, MTK_PULL_PU_PD_TYPE /* 7 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 8 */, MTK_PULL_PU_PD_RSEL_TYPE /* 9 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 10 */, MTK_PULL_PU_PD_RSEL_TYPE /* 11 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 12 */, MTK_PULL_PU_PD_RSEL_TYPE /* 13 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 14 */, MTK_PULL_PU_PD_RSEL_TYPE /* 15 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 16 */, MTK_PULL_PU_PD_RSEL_TYPE /* 17 */, + MTK_PULL_PU_PD_TYPE /* 18 */, MTK_PULL_PU_PD_TYPE /* 19 */, + MTK_PULL_PU_PD_TYPE /* 20 */, MTK_PULL_PU_PD_TYPE /* 21 */, + MTK_PULL_PU_PD_TYPE /* 22 */, MTK_PULL_PU_PD_TYPE /* 23 */, + MTK_PULL_PU_PD_TYPE /* 24 */, MTK_PULL_PU_PD_TYPE /* 25 */, + MTK_PULL_PU_PD_TYPE /* 26 */, MTK_PULL_PU_PD_TYPE /* 27 */, + MTK_PULL_PU_PD_TYPE /* 28 */, MTK_PULL_PU_PD_RSEL_TYPE /* 29 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 30 */, MTK_PULL_PU_PD_TYPE /* 31 */, + MTK_PULL_PU_PD_TYPE /* 32 */, MTK_PULL_PU_PD_TYPE /* 33 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 34 */, MTK_PULL_PU_PD_RSEL_TYPE /* 35 */, + MTK_PULL_PU_PD_TYPE /* 36 */, MTK_PULL_PU_PD_TYPE /* 37 */, + MTK_PULL_PU_PD_TYPE /* 38 */, MTK_PULL_PU_PD_TYPE /* 39 */, + MTK_PULL_PU_PD_TYPE /* 40 */, MTK_PULL_PU_PD_TYPE /* 41 */, + MTK_PULL_PU_PD_TYPE /* 42 */, MTK_PULL_PU_PD_TYPE /* 43 */, + MTK_PULL_PU_PD_RSEL_TYPE /* 44 */, MTK_PULL_PU_PD_RSEL_TYPE /* 45 */, + MTK_PULL_PU_PD_TYPE /* 46 */, MTK_PULL_PU_PD_TYPE /* 47 */, + MTK_PULL_PU_PD_TYPE /* 48 */, MTK_PULL_PU_PD_TYPE /* 49 */, + MTK_PULL_PU_PD_TYPE /* 50 */, MTK_PULL_PU_PD_TYPE /* 51 */, + MTK_PULL_PU_PD_TYPE /* 52 */, MTK_PULL_PU_PD_TYPE /* 53 */, + MTK_PULL_PU_PD_TYPE /* 54 */, MTK_PULL_PU_PD_TYPE /* 55 */, + MTK_PULL_PU_PD_TYPE /* 56 */, MTK_PULL_PU_PD_TYPE /* 57 */, + MTK_PULL_PU_PD_TYPE /* 58 */, MTK_PULL_PU_PD_TYPE /* 59 */, + MTK_PULL_PU_PD_TYPE /* 60 */, MTK_PULL_PU_PD_TYPE /* 61 */, + MTK_PULL_PU_PD_TYPE /* 62 */, MTK_PULL_PU_PD_TYPE /* 63 */, + MTK_PULL_PU_PD_TYPE /* 64 */, MTK_PULL_PU_PD_TYPE /* 65 */, + MTK_PULL_PU_PD_TYPE /* 66 */, MTK_PULL_PU_PD_TYPE /* 67 */, + MTK_PULL_PU_PD_TYPE /* 68 */, MTK_PULL_PU_PD_TYPE /* 69 */, + MTK_PULL_PU_PD_TYPE /* 70 */, MTK_PULL_PU_PD_TYPE /* 71 */, + MTK_PULL_PU_PD_TYPE /* 72 */, MTK_PULL_PU_PD_TYPE /* 73 */, + MTK_PULL_PU_PD_TYPE /* 74 */, MTK_PULL_PU_PD_TYPE /* 75 */, + MTK_PULL_PU_PD_TYPE /* 76 */, MTK_PULL_PUPD_R1R0_TYPE /* 77 */, + MTK_PULL_PUPD_R1R0_TYPE /* 78 */, MTK_PULL_PUPD_R1R0_TYPE /* 79 */, + MTK_PULL_PUPD_R1R0_TYPE /* 80 */, MTK_PULL_PUPD_R1R0_TYPE /* 81 */, + MTK_PULL_PUPD_R1R0_TYPE /* 82 */, MTK_PULL_PUPD_R1R0_TYPE /* 83 */, + MTK_PULL_PUPD_R1R0_TYPE /* 84 */, MTK_PULL_PUPD_R1R0_TYPE /* 85 */, + MTK_PULL_PUPD_R1R0_TYPE /* 86 */, MTK_PULL_PUPD_R1R0_TYPE /* 87 */, + MTK_PULL_PUPD_R1R0_TYPE /* 88 */, MTK_PULL_PUPD_R1R0_TYPE /* 89 */, + MTK_PULL_PUPD_R1R0_TYPE /* 90 */, MTK_PULL_PUPD_R1R0_TYPE /* 91 */, + MTK_PULL_PUPD_R1R0_TYPE /* 92 */, MTK_PULL_PUPD_R1R0_TYPE /* 93 */, + MTK_PULL_PUPD_R1R0_TYPE /* 94 */, MTK_PULL_PUPD_R1R0_TYPE /* 95 */, + MTK_PULL_PUPD_R1R0_TYPE /* 96 */, MTK_PULL_PU_PD_TYPE /* 97 */, + MTK_PULL_PU_PD_TYPE /* 98 */, MTK_PULL_PU_PD_TYPE /* 99 */, + MTK_PULL_PU_PD_TYPE /* 100 */, MTK_PULL_PU_PD_TYPE /* 101 */, + MTK_PULL_PU_PD_TYPE /* 102 */, MTK_PULL_PU_PD_TYPE /* 103 */, + MTK_PULL_PUPD_R1R0_TYPE /* 104 */, MTK_PULL_PUPD_R1R0_TYPE /* 105 */, + MTK_PULL_PUPD_R1R0_TYPE /* 106 */, MTK_PULL_PUPD_R1R0_TYPE /* 107 */, + MTK_PULL_PU_PD_TYPE /* 108 */, MTK_PULL_PU_PD_TYPE /* 109 */, + MTK_PULL_PUPD_R1R0_TYPE /* 110 */, MTK_PULL_PUPD_R1R0_TYPE /* 111 */, + MTK_PULL_PUPD_R1R0_TYPE /* 112 */, MTK_PULL_PUPD_R1R0_TYPE /* 113 */, + MTK_PULL_PUPD_R1R0_TYPE /* 114 */, MTK_PULL_PUPD_R1R0_TYPE /* 115 */, + MTK_PULL_PUPD_R1R0_TYPE /* 116 */, MTK_PULL_PUPD_R1R0_TYPE /* 117 */, + MTK_PULL_PUPD_R1R0_TYPE /* 118 */, MTK_PULL_PUPD_R1R0_TYPE /* 119 */, + MTK_PULL_PUPD_R1R0_TYPE /* 120 */, MTK_PULL_PUPD_R1R0_TYPE /* 121 */, + MTK_PULL_PUPD_R1R0_TYPE /* 122 */, MTK_PULL_PUPD_R1R0_TYPE /* 123 */, + MTK_PULL_PUPD_R1R0_TYPE /* 124 */, MTK_PULL_PUPD_R1R0_TYPE /* 125 */, + MTK_PULL_PUPD_R1R0_TYPE /* 126 */, MTK_PULL_PUPD_R1R0_TYPE /* 127 */, + MTK_PULL_PU_PD_TYPE /* 128 */, MTK_PULL_PU_PD_TYPE /* 129 */, + MTK_PULL_PU_PD_TYPE /* 130 */, MTK_PULL_PU_PD_TYPE /* 131 */, + MTK_PULL_PU_PD_TYPE /* 132 */, MTK_PULL_PU_PD_TYPE /* 133 */, + MTK_PULL_PU_PD_TYPE /* 134 */, MTK_PULL_PU_PD_TYPE /* 135 */, + MTK_PULL_PU_PD_TYPE /* 136 */, MTK_PULL_PU_PD_TYPE /* 137 */, + MTK_PULL_PU_PD_TYPE /* 138 */, MTK_PULL_PU_PD_TYPE /* 139 */, + MTK_PULL_PU_PD_TYPE /* 140 */, MTK_PULL_PU_PD_TYPE /* 141 */, + MTK_PULL_PU_PD_TYPE /* 142 */, MTK_PULL_PU_PD_TYPE /* 143 */, +}; + static const struct mtk_pin_reg_calc mt8195_reg_cals[PINCTRL_PIN_REG_MAX] = { [PINCTRL_PIN_REG_MODE] = MTK_RANGE(mt8195_pin_mode_range), [PINCTRL_PIN_REG_DIR] = MTK_RANGE(mt8195_pin_dir_range), @@ -793,6 +922,7 @@ static const struct mtk_pin_reg_calc mt8195_reg_cals[PINCTRL_PIN_REG_MAX] = { [PINCTRL_PIN_REG_R0] = MTK_RANGE(mt8195_pin_r0_range), [PINCTRL_PIN_REG_R1] = MTK_RANGE(mt8195_pin_r1_range), [PINCTRL_PIN_REG_DRV_ADV] = MTK_RANGE(mt8195_pin_drv_adv_range), + [PINCTRL_PIN_REG_RSEL] = MTK_RANGE(mt8195_pin_rsel_range), }; static const char * const mt8195_pinctrl_register_base_names[] = { @@ -817,6 +947,9 @@ static const struct mtk_pin_soc mt8195_data = { .gpio_m = 0, .base_names = mt8195_pinctrl_register_base_names, .nbase_names = ARRAY_SIZE(mt8195_pinctrl_register_base_names), + .pull_type = mt8195_pull_type, + .pin_rsel = mt8195_pin_rsel_val_range, + .npin_rsel = ARRAY_SIZE(mt8195_pin_rsel_val_range), .bias_set_combo = mtk_pinconf_bias_set_combo, .bias_get_combo = mtk_pinconf_bias_get_combo, .drive_set = mtk_pinconf_drive_set_rev1,