From patchwork Wed Nov 3 04:21:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Lo X-Patchwork-Id: 12600073 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26D21C433EF for ; Wed, 3 Nov 2021 04:31:57 +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 DB2DB60231 for ; Wed, 3 Nov 2021 04:31:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DB2DB60231 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=Bt//d90lQJyvlre4to28AgzqthqMOrPB9ECdBgbuOS8=; b=BEC6qai5GFJmAV q8wXMqd2sEMGsSi0B42zDs/bWkRNxyLLpFrw6p6IDLQ8FcSpZ6E/splyCiMYKoEaPpiLuXwVq1vl8 Cx7Ixp3vVzryqBlRVYRph4rI5GpC6f1SbZAh2lVs8k02MQ3R9RkaC8vHnGgFNQ0/FLJNFD5xdQtY4 CPhMucuqEsWLgruztPfx6rsinenWgAL1N51t2VfVeUOt98fJ4F4rqN/z7jr0YR+6Rgbdqp6KqiND3 kWT+FbbT9a+gzz3Gw1fiSGwNSoiUJhGTk4O/JkIdgxkgIBa+QTmpfFQZzsD3Ot7ynlH/cQIW03uoP XMAeepo8NKavpkMHN5AQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mi7wA-0044vq-Jc; Wed, 03 Nov 2021 04:31:46 +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 1mi7vx-0044rk-Um; Wed, 03 Nov 2021 04:31:35 +0000 X-UUID: e2d54f07925446c384a7f7700623c725-20211102 X-UUID: e2d54f07925446c384a7f7700623c725-20211102 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 1287351746; Tue, 02 Nov 2021 21:31:31 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 2 Nov 2021 21:21:28 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 3 Nov 2021 12:21:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 3 Nov 2021 12:21:27 +0800 From: James Lo To: Stephen Boyd , Rob Herring , Matthias Brugger CC: Hsin-Hsiung Wang , James Lo , , , , , , Subject: [v13 1/4] dt-bindings: spmi: modify the constraint of reg property Date: Wed, 3 Nov 2021 12:21:00 +0800 Message-ID: <20211103042103.4984-2-james.lo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211103042103.4984-1-james.lo@mediatek.com> References: <20211103042103.4984-1-james.lo@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-20211102_213134_022267_C6DA4C99 X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The constraint of reg may larger than 1, so we modify to 'minItem: 1' and 'maxItem: 2'. Signed-off-by: Hsin-Hsiung Wang Acked-by: Rob Herring --- Documentation/devicetree/bindings/spmi/spmi.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/spmi/spmi.yaml b/Documentation/devicetree/bindings/spmi/spmi.yaml index 1d243faef2f8..f29183a45adc 100644 --- a/Documentation/devicetree/bindings/spmi/spmi.yaml +++ b/Documentation/devicetree/bindings/spmi/spmi.yaml @@ -25,7 +25,8 @@ properties: pattern: "^spmi@.*" reg: - maxItems: 1 + maxItems: 2 + minItems: 1 "#address-cells": const: 2 From patchwork Wed Nov 3 04:21:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Lo X-Patchwork-Id: 12600061 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B46EC433F5 for ; Wed, 3 Nov 2021 04:22:21 +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 14DFF610E8 for ; Wed, 3 Nov 2021 04:22:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 14DFF610E8 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=OLdy/0h9E7+PhKw9UqEpPJpwfUFm145Kl9TikrzPK58=; b=qr1SC03Do4fMEf X7UZzB/jijfyh9KabWsYgiJU3tDua/Q1EIrNzlj7wm8V1pT/vNH6mLMJgwc4uA1aUITbvMMGaWPGU 9pvXysTPam8DAEO1hAFuGtxkWAUsIcWoht5MZzYT3OntvIkiO9ge+mlkeq1fDVkZ7Cwqokk/KqnRO ZmseKRystgdS73Z9fs4kG8OPvntzjKTvX6jNB9W9rwhri2g/CiczDQbxSbA9p9JuJtUBeWp5PuSlm ffP0ePniJVfT35fDgGWSc5+3oFZgJ7SCZm7BF0o14bHEcFUIjtAy4pF29jO/7CP+X6Vtp5CxV2u+0 ZvC+mVskoScePyQIPEHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mi7ms-0043QJ-7R; Wed, 03 Nov 2021 04:22:10 +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 1mi7mL-0043Hk-Kh; Wed, 03 Nov 2021 04:21:39 +0000 X-UUID: 22eb96e231f847899d3abad8867da40e-20211102 X-UUID: 22eb96e231f847899d3abad8867da40e-20211102 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 1957992640; Tue, 02 Nov 2021 21:21:30 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 2 Nov 2021 21:21:29 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 3 Nov 2021 12:21:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 3 Nov 2021 12:21:27 +0800 From: James Lo To: Stephen Boyd , Rob Herring , Matthias Brugger CC: Hsin-Hsiung Wang , James Lo , , , , , , Subject: [v13 2/4] dt-bindings: spmi: document binding for the Mediatek SPMI controller Date: Wed, 3 Nov 2021 12:21:01 +0800 Message-ID: <20211103042103.4984-3-james.lo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211103042103.4984-1-james.lo@mediatek.com> References: <20211103042103.4984-1-james.lo@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-20211102_212137_709795_782980B9 X-CRM114-Status: GOOD ( 13.88 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This adds documentation for the SPMI controller found on Mediatek SoCs. Signed-off-by: Hsin-Hsiung Wang --- .../bindings/spmi/mtk,spmi-mtk-pmif.yaml | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml diff --git a/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml b/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml new file mode 100644 index 000000000000..2445c5e0b0ef --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/mtk,spmi-mtk-pmif.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spmi/mtk,spmi-mtk-pmif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek SPMI Controller Device Tree Bindings + +maintainers: + - Hsin-Hsiung Wang + +description: |+ + On MediaTek SoCs the PMIC is connected via SPMI and the controller allows + for multiple SoCs to control a single SPMI master. + +allOf: + - $ref: "spmi.yaml" + +properties: + compatible: + enum: + - mediatek,mt6873-spmi + - mediatek,mt8195-spmi + + reg: + maxItems: 2 + + reg-names: + items: + - const: pmif + - const: spmimst + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: pmif_sys_ck + - const: pmif_tmr_ck + - const: spmimst_clk_mux + + assigned-clocks: + maxItems: 1 + + assigned-clock-parents: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + + spmi: spmi@10027000 { + compatible = "mediatek,mt6873-spmi"; + reg = <0x10027000 0xe00>, + <0x10029000 0x100>; + reg-names = "pmif", "spmimst"; + clocks = <&infracfg CLK_INFRA_PMIC_AP>, + <&infracfg CLK_INFRA_PMIC_TMR>, + <&topckgen CLK_TOP_SPMI_MST_SEL>; + clock-names = "pmif_sys_ck", + "pmif_tmr_ck", + "spmimst_clk_mux"; + assigned-clocks = <&topckgen CLK_TOP_PWRAP_ULPOSC_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_OSC_D10>; + }; +... From patchwork Wed Nov 3 04:21:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Lo X-Patchwork-Id: 12600075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47FF8C433EF for ; Wed, 3 Nov 2021 04:32:11 +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 D586660295 for ; Wed, 3 Nov 2021 04:32:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D586660295 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=chYpLx+ECTnaIlW3C9wUZ58tdNGBEm1dtVJ5IdqCM04=; b=m9CHvQPePnS71K fMJcgGkTgjGFwwJgosIGllF4weBOJKtJXls920iobfQRJDnWSnq/5HHFLVq+6dOujvLcvcFTEWjo+ NT7rnSxBloGNSahxBRRCcmAT86eDZuGdSIbTtJgYx1aaYYJMZmSESd6QDSpYV70EqO9dn9e+dc67d 9UZC1ns7kFuSFL1CbIEmuqX34D/CuxpdUtnPTJXI9TKRkKDPvHRe2kLEJmUcNXBuYhEReUxPCCXtk t6V0IH7Pxtfh3KJKlhAkc9SZ883Fh3tGx83cJt69o3AjLrVRTB2P8rjFglEzThgkgSYTeTFdKQC6d EcJT7TrU1XrKaEuVRp+w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mi7wL-0044yj-MZ; Wed, 03 Nov 2021 04:31:57 +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 1mi7vy-0044sA-NB; Wed, 03 Nov 2021 04:31:36 +0000 X-UUID: 2a6de85b5f38423d9fb55d1224179782-20211102 X-UUID: 2a6de85b5f38423d9fb55d1224179782-20211102 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 622580818; Tue, 02 Nov 2021 21:31:31 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 2 Nov 2021 21:21:29 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 3 Nov 2021 12:21:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 3 Nov 2021 12:21:27 +0800 From: James Lo To: Stephen Boyd , Rob Herring , Matthias Brugger CC: Hsin-Hsiung Wang , James Lo , , , , , , Subject: [v13 3/4] spmi: mediatek: Add support for MT6873/8192 Date: Wed, 3 Nov 2021 12:21:02 +0800 Message-ID: <20211103042103.4984-4-james.lo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211103042103.4984-1-james.lo@mediatek.com> References: <20211103042103.4984-1-james.lo@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-20211102_213134_809627_036C77EB X-CRM114-Status: GOOD ( 28.63 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add spmi support for MT6873/8192. Signed-off-by: Hsin-Hsiung Wang Acked-By: AngeloGioacchino Del Regno --- drivers/spmi/Kconfig | 11 + drivers/spmi/Makefile | 1 + drivers/spmi/spmi-mtk-pmif.c | 454 +++++++++++++++++++++++++++++++++++ 3 files changed, 466 insertions(+) create mode 100644 drivers/spmi/spmi-mtk-pmif.c diff --git a/drivers/spmi/Kconfig b/drivers/spmi/Kconfig index 2874b6c26028..737802046314 100644 --- a/drivers/spmi/Kconfig +++ b/drivers/spmi/Kconfig @@ -34,4 +34,15 @@ config SPMI_MSM_PMIC_ARB This is required for communicating with Qualcomm PMICs and other devices that have the SPMI interface. +config SPMI_MTK_PMIF + tristate "Mediatek SPMI Controller (PMIC Arbiter)" + depends on ARCH_MEDIATEK || COMPILE_TEST + help + If you say yes to this option, support will be included for the + built-in SPMI PMIC Arbiter interface on Mediatek family + processors. + + This is required for communicating with Mediatek PMICs and + other devices that have the SPMI interface. + endif diff --git a/drivers/spmi/Makefile b/drivers/spmi/Makefile index 6e092e6f290c..9d974424c8c1 100644 --- a/drivers/spmi/Makefile +++ b/drivers/spmi/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_SPMI) += spmi.o obj-$(CONFIG_SPMI_HISI3670) += hisi-spmi-controller.o obj-$(CONFIG_SPMI_MSM_PMIC_ARB) += spmi-pmic-arb.o +obj-$(CONFIG_SPMI_MTK_PMIF) += spmi-mtk-pmif.o diff --git a/drivers/spmi/spmi-mtk-pmif.c b/drivers/spmi/spmi-mtk-pmif.c new file mode 100644 index 000000000000..3283d0a5903c --- /dev/null +++ b/drivers/spmi/spmi-mtk-pmif.c @@ -0,0 +1,454 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2021 MediaTek Inc. + +#include +#include +#include +#include +#include +#include +#include + +#define SWINF_IDLE 0x00 +#define SWINF_WFVLDCLR 0x06 + +#define GET_SWINF(x) (((x) >> 1) & 0x7) + +#define PMIF_CMD_REG_0 0 +#define PMIF_CMD_REG 1 +#define PMIF_CMD_EXT_REG 2 +#define PMIF_CMD_EXT_REG_LONG 3 + +#define PMIF_DELAY_US 10 +#define PMIF_TIMEOUT_US (10 * 1000) + +#define PMIF_CHAN_OFFSET 0x5 + +#define PMIF_MAX_CLKS 3 + +#define SPMI_OP_ST_BUSY 1 + +struct ch_reg { + u32 ch_sta; + u32 wdata; + u32 rdata; + u32 ch_send; + u32 ch_rdy; +}; + +struct pmif_data { + const u32 *regs; + const u32 *spmimst_regs; + u32 soc_chan; +}; + +struct pmif { + void __iomem *base; + void __iomem *spmimst_base; + struct ch_reg chan; + struct clk_bulk_data clks[PMIF_MAX_CLKS]; + size_t nclks; + const struct pmif_data *data; +}; + +static const char * const pmif_clock_names[] = { + "pmif_sys_ck", "pmif_tmr_ck", "spmimst_clk_mux", +}; + +enum pmif_regs { + PMIF_INIT_DONE, + PMIF_INF_EN, + PMIF_ARB_EN, + PMIF_CMDISSUE_EN, + PMIF_TIMER_CTRL, + PMIF_SPI_MODE_CTRL, + PMIF_IRQ_EVENT_EN_0, + PMIF_IRQ_FLAG_0, + PMIF_IRQ_CLR_0, + PMIF_IRQ_EVENT_EN_1, + PMIF_IRQ_FLAG_1, + PMIF_IRQ_CLR_1, + PMIF_IRQ_EVENT_EN_2, + PMIF_IRQ_FLAG_2, + PMIF_IRQ_CLR_2, + PMIF_IRQ_EVENT_EN_3, + PMIF_IRQ_FLAG_3, + PMIF_IRQ_CLR_3, + PMIF_IRQ_EVENT_EN_4, + PMIF_IRQ_FLAG_4, + PMIF_IRQ_CLR_4, + PMIF_WDT_EVENT_EN_0, + PMIF_WDT_FLAG_0, + PMIF_WDT_EVENT_EN_1, + PMIF_WDT_FLAG_1, + PMIF_SWINF_0_STA, + PMIF_SWINF_0_WDATA_31_0, + PMIF_SWINF_0_RDATA_31_0, + PMIF_SWINF_0_ACC, + PMIF_SWINF_0_VLD_CLR, + PMIF_SWINF_1_STA, + PMIF_SWINF_1_WDATA_31_0, + PMIF_SWINF_1_RDATA_31_0, + PMIF_SWINF_1_ACC, + PMIF_SWINF_1_VLD_CLR, + PMIF_SWINF_2_STA, + PMIF_SWINF_2_WDATA_31_0, + PMIF_SWINF_2_RDATA_31_0, + PMIF_SWINF_2_ACC, + PMIF_SWINF_2_VLD_CLR, + PMIF_SWINF_3_STA, + PMIF_SWINF_3_WDATA_31_0, + PMIF_SWINF_3_RDATA_31_0, + PMIF_SWINF_3_ACC, + PMIF_SWINF_3_VLD_CLR, +}; + +static const u32 mt6873_regs[] = { + [PMIF_INIT_DONE] = 0x0000, + [PMIF_INF_EN] = 0x0024, + [PMIF_ARB_EN] = 0x0150, + [PMIF_CMDISSUE_EN] = 0x03B4, + [PMIF_TIMER_CTRL] = 0x03E0, + [PMIF_SPI_MODE_CTRL] = 0x0400, + [PMIF_IRQ_EVENT_EN_0] = 0x0418, + [PMIF_IRQ_FLAG_0] = 0x0420, + [PMIF_IRQ_CLR_0] = 0x0424, + [PMIF_IRQ_EVENT_EN_1] = 0x0428, + [PMIF_IRQ_FLAG_1] = 0x0430, + [PMIF_IRQ_CLR_1] = 0x0434, + [PMIF_IRQ_EVENT_EN_2] = 0x0438, + [PMIF_IRQ_FLAG_2] = 0x0440, + [PMIF_IRQ_CLR_2] = 0x0444, + [PMIF_IRQ_EVENT_EN_3] = 0x0448, + [PMIF_IRQ_FLAG_3] = 0x0450, + [PMIF_IRQ_CLR_3] = 0x0454, + [PMIF_IRQ_EVENT_EN_4] = 0x0458, + [PMIF_IRQ_FLAG_4] = 0x0460, + [PMIF_IRQ_CLR_4] = 0x0464, + [PMIF_WDT_EVENT_EN_0] = 0x046C, + [PMIF_WDT_FLAG_0] = 0x0470, + [PMIF_WDT_EVENT_EN_1] = 0x0474, + [PMIF_WDT_FLAG_1] = 0x0478, + [PMIF_SWINF_0_ACC] = 0x0C00, + [PMIF_SWINF_0_WDATA_31_0] = 0x0C04, + [PMIF_SWINF_0_RDATA_31_0] = 0x0C14, + [PMIF_SWINF_0_VLD_CLR] = 0x0C24, + [PMIF_SWINF_0_STA] = 0x0C28, + [PMIF_SWINF_1_ACC] = 0x0C40, + [PMIF_SWINF_1_WDATA_31_0] = 0x0C44, + [PMIF_SWINF_1_RDATA_31_0] = 0x0C54, + [PMIF_SWINF_1_VLD_CLR] = 0x0C64, + [PMIF_SWINF_1_STA] = 0x0C68, + [PMIF_SWINF_2_ACC] = 0x0C80, + [PMIF_SWINF_2_WDATA_31_0] = 0x0C84, + [PMIF_SWINF_2_RDATA_31_0] = 0x0C94, + [PMIF_SWINF_2_VLD_CLR] = 0x0CA4, + [PMIF_SWINF_2_STA] = 0x0CA8, + [PMIF_SWINF_3_ACC] = 0x0CC0, + [PMIF_SWINF_3_WDATA_31_0] = 0x0CC4, + [PMIF_SWINF_3_RDATA_31_0] = 0x0CD4, + [PMIF_SWINF_3_VLD_CLR] = 0x0CE4, + [PMIF_SWINF_3_STA] = 0x0CE8, +}; + +enum spmi_regs { + SPMI_OP_ST_CTRL, + SPMI_GRP_ID_EN, + SPMI_OP_ST_STA, + SPMI_MST_SAMPL, + SPMI_MST_REQ_EN, + SPMI_REC_CTRL, + SPMI_REC0, + SPMI_REC1, + SPMI_REC2, + SPMI_REC3, + SPMI_REC4, + SPMI_MST_DBG, +}; + +static const u32 mt6873_spmi_regs[] = { + [SPMI_OP_ST_CTRL] = 0x0000, + [SPMI_GRP_ID_EN] = 0x0004, + [SPMI_OP_ST_STA] = 0x0008, + [SPMI_MST_SAMPL] = 0x000c, + [SPMI_MST_REQ_EN] = 0x0010, + [SPMI_REC_CTRL] = 0x0040, + [SPMI_REC0] = 0x0044, + [SPMI_REC1] = 0x0048, + [SPMI_REC2] = 0x004c, + [SPMI_REC3] = 0x0050, + [SPMI_REC4] = 0x0054, + [SPMI_MST_DBG] = 0x00fc, +}; + +static u32 pmif_readl(struct pmif *arb, enum pmif_regs reg) +{ + return readl(arb->base + arb->data->regs[reg]); +} + +static void pmif_writel(struct pmif *arb, u32 val, enum pmif_regs reg) +{ + writel(val, arb->base + arb->data->regs[reg]); +} + +static void mtk_spmi_writel(struct pmif *arb, u32 val, enum spmi_regs reg) +{ + writel(val, arb->spmimst_base + arb->data->spmimst_regs[reg]); +} + +static bool pmif_is_fsm_vldclr(struct pmif *arb) +{ + u32 reg_rdata; + + reg_rdata = pmif_readl(arb, arb->chan.ch_sta); + + return GET_SWINF(reg_rdata) == SWINF_WFVLDCLR; +} + +static int pmif_arb_cmd(struct spmi_controller *ctrl, u8 opc, u8 sid) +{ + struct pmif *arb = spmi_controller_get_drvdata(ctrl); + u32 rdata, cmd; + int ret; + + /* Check the opcode */ + if (opc < SPMI_CMD_RESET || opc > SPMI_CMD_WAKEUP) + return -EINVAL; + + cmd = opc - SPMI_CMD_RESET; + + mtk_spmi_writel(arb, (cmd << 0x4) | sid, SPMI_OP_ST_CTRL); + ret = readl_poll_timeout_atomic(arb->spmimst_base + arb->data->spmimst_regs[SPMI_OP_ST_STA], + rdata, (rdata & SPMI_OP_ST_BUSY) == SPMI_OP_ST_BUSY, + PMIF_DELAY_US, PMIF_TIMEOUT_US); + if (ret < 0) + dev_err(&ctrl->dev, "timeout, err = %d\n", ret); + + return ret; +} + +static int pmif_spmi_read_cmd(struct spmi_controller *ctrl, u8 opc, u8 sid, + u16 addr, u8 *buf, size_t len) +{ + struct pmif *arb = spmi_controller_get_drvdata(ctrl); + struct ch_reg *inf_reg; + int ret; + u32 data, cmd; + + /* Check for argument validation. */ + if (sid & ~0xf) { + dev_err(&ctrl->dev, "exceed the max slv id\n"); + return -EINVAL; + } + + if (len > 4) { + dev_err(&ctrl->dev, "pmif supports 1..4 bytes per trans, but:%zu requested", len); + + return -EINVAL; + } + + if (opc >= 0x60 && opc <= 0x7f) + opc = PMIF_CMD_REG; + else if ((opc >= 0x20 && opc <= 0x2f) || (opc >= 0x38 && opc <= 0x3f)) + opc = PMIF_CMD_EXT_REG_LONG; + else + return -EINVAL; + + /* Wait for Software Interface FSM state to be IDLE. */ + inf_reg = &arb->chan; + ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta], + data, GET_SWINF(data) == SWINF_IDLE, + PMIF_DELAY_US, PMIF_TIMEOUT_US); + if (ret < 0) { + /* set channel ready if the data has transferred */ + if (pmif_is_fsm_vldclr(arb)) + pmif_writel(arb, 1, inf_reg->ch_rdy); + dev_err(&ctrl->dev, "failed to wait for SWINF_IDLE\n"); + return ret; + } + + /* Send the command. */ + cmd = (opc << 30) | (sid << 24) | ((len - 1) << 16) | addr; + pmif_writel(arb, cmd, inf_reg->ch_send); + + /* + * Wait for Software Interface FSM state to be WFVLDCLR, + * read the data and clear the valid flag. + */ + ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta], + data, GET_SWINF(data) == SWINF_WFVLDCLR, + PMIF_DELAY_US, PMIF_TIMEOUT_US); + if (ret < 0) { + dev_err(&ctrl->dev, "failed to wait for SWINF_WFVLDCLR\n"); + return ret; + } + + data = pmif_readl(arb, inf_reg->rdata); + memcpy(buf, &data, len); + pmif_writel(arb, 1, inf_reg->ch_rdy); + + return 0; +} + +static int pmif_spmi_write_cmd(struct spmi_controller *ctrl, u8 opc, u8 sid, + u16 addr, const u8 *buf, size_t len) +{ + struct pmif *arb = spmi_controller_get_drvdata(ctrl); + struct ch_reg *inf_reg; + int ret; + u32 data, cmd; + + if (len > 4) { + dev_err(&ctrl->dev, "pmif supports 1..4 bytes per trans, but:%zu requested", len); + + return -EINVAL; + } + + /* Check the opcode */ + if (opc >= 0x40 && opc <= 0x5F) + opc = PMIF_CMD_REG; + else if ((opc <= 0xF) || (opc >= 0x30 && opc <= 0x37)) + opc = PMIF_CMD_EXT_REG_LONG; + else if (opc >= 0x80) + opc = PMIF_CMD_REG_0; + else + return -EINVAL; + + /* Wait for Software Interface FSM state to be IDLE. */ + inf_reg = &arb->chan; + ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta], + data, GET_SWINF(data) == SWINF_IDLE, + PMIF_DELAY_US, PMIF_TIMEOUT_US); + if (ret < 0) { + /* set channel ready if the data has transferred */ + if (pmif_is_fsm_vldclr(arb)) + pmif_writel(arb, 1, inf_reg->ch_rdy); + dev_err(&ctrl->dev, "failed to wait for SWINF_IDLE\n"); + return ret; + } + + /* Set the write data. */ + memcpy(&data, buf, len); + pmif_writel(arb, data, inf_reg->wdata); + + /* Send the command. */ + cmd = (opc << 30) | BIT(29) | (sid << 24) | ((len - 1) << 16) | addr; + pmif_writel(arb, cmd, inf_reg->ch_send); + + return 0; +} + +static const struct pmif_data mt6873_pmif_arb = { + .regs = mt6873_regs, + .spmimst_regs = mt6873_spmi_regs, + .soc_chan = 2, +}; + +static int mtk_spmi_probe(struct platform_device *pdev) +{ + struct pmif *arb; + struct spmi_controller *ctrl; + int err, i; + u32 chan_offset; + + ctrl = spmi_controller_alloc(&pdev->dev, sizeof(*arb)); + if (!ctrl) + return -ENOMEM; + + arb = spmi_controller_get_drvdata(ctrl); + arb->data = device_get_match_data(&pdev->dev); + if (!arb->data) { + err = -EINVAL; + dev_err(&pdev->dev, "Cannot get drv_data\n"); + goto err_put_ctrl; + } + + arb->base = devm_platform_ioremap_resource_byname(pdev, "pmif"); + if (IS_ERR(arb->base)) { + err = PTR_ERR(arb->base); + goto err_put_ctrl; + } + + arb->spmimst_base = devm_platform_ioremap_resource_byname(pdev, "spmimst"); + if (IS_ERR(arb->spmimst_base)) { + err = PTR_ERR(arb->spmimst_base); + goto err_put_ctrl; + } + + arb->nclks = ARRAY_SIZE(pmif_clock_names); + for (i = 0; i < arb->nclks; i++) + arb->clks[i].id = pmif_clock_names[i]; + + err = devm_clk_bulk_get(&pdev->dev, arb->nclks, arb->clks); + if (err) { + dev_err(&pdev->dev, "Failed to get clocks: %d\n", err); + goto err_put_ctrl; + } + + err = clk_bulk_prepare_enable(arb->nclks, arb->clks); + if (err) { + dev_err(&pdev->dev, "Failed to enable clocks: %d\n", err); + goto err_put_ctrl; + } + + ctrl->cmd = pmif_arb_cmd; + ctrl->read_cmd = pmif_spmi_read_cmd; + ctrl->write_cmd = pmif_spmi_write_cmd; + + chan_offset = PMIF_CHAN_OFFSET * arb->data->soc_chan; + arb->chan.ch_sta = PMIF_SWINF_0_STA + chan_offset; + arb->chan.wdata = PMIF_SWINF_0_WDATA_31_0 + chan_offset; + arb->chan.rdata = PMIF_SWINF_0_RDATA_31_0 + chan_offset; + arb->chan.ch_send = PMIF_SWINF_0_ACC + chan_offset; + arb->chan.ch_rdy = PMIF_SWINF_0_VLD_CLR + chan_offset; + + platform_set_drvdata(pdev, ctrl); + + err = spmi_controller_add(ctrl); + if (err) + goto err_domain_remove; + + return 0; + +err_domain_remove: + clk_bulk_disable_unprepare(arb->nclks, arb->clks); +err_put_ctrl: + spmi_controller_put(ctrl); + return err; +} + +static int mtk_spmi_remove(struct platform_device *pdev) +{ + struct spmi_controller *ctrl = platform_get_drvdata(pdev); + struct pmif *arb = spmi_controller_get_drvdata(ctrl); + + clk_bulk_disable_unprepare(arb->nclks, arb->clks); + spmi_controller_remove(ctrl); + spmi_controller_put(ctrl); + return 0; +} + +static const struct of_device_id mtk_spmi_match_table[] = { + { + .compatible = "mediatek,mt6873-spmi", + .data = &mt6873_pmif_arb, + }, { + /* sentinel */ + }, +}; +MODULE_DEVICE_TABLE(of, mtk_spmi_match_table); + +static struct platform_driver mtk_spmi_driver = { + .driver = { + .name = "spmi-mtk", + .of_match_table = of_match_ptr(mtk_spmi_match_table), + }, + .probe = mtk_spmi_probe, + .remove = mtk_spmi_remove, +}; +module_platform_driver(mtk_spmi_driver); + +MODULE_AUTHOR("Hsin-Hsiung Wang "); +MODULE_DESCRIPTION("MediaTek SPMI Driver"); +MODULE_LICENSE("GPL"); From patchwork Wed Nov 3 04:21:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Lo X-Patchwork-Id: 12600059 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC0B1C433F5 for ; Wed, 3 Nov 2021 04:22:16 +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 86B88610E8 for ; 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Wed, 3 Nov 2021 12:21:28 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 3 Nov 2021 12:21:27 +0800 From: James Lo To: Stephen Boyd , Rob Herring , Matthias Brugger CC: Hsin-Hsiung Wang , James Lo , , , , , , , Henry Chen Subject: [v13 4/4] spmi: mediatek: Add support for MT8195 Date: Wed, 3 Nov 2021 12:21:03 +0800 Message-ID: <20211103042103.4984-5-james.lo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211103042103.4984-1-james.lo@mediatek.com> References: <20211103042103.4984-1-james.lo@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-20211102_212137_574401_C7BCBDCB X-CRM114-Status: GOOD ( 13.16 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add spmi support for MT8195. Signed-off-by: Henry Chen Signed-off-by: Hsin-Hsiung Wang Acked-By: AngeloGioacchino Del Regno --- drivers/spmi/spmi-mtk-pmif.c | 88 ++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/drivers/spmi/spmi-mtk-pmif.c b/drivers/spmi/spmi-mtk-pmif.c index 3283d0a5903c..c5946494087f 100644 --- a/drivers/spmi/spmi-mtk-pmif.c +++ b/drivers/spmi/spmi-mtk-pmif.c @@ -152,6 +152,54 @@ static const u32 mt6873_regs[] = { [PMIF_SWINF_3_STA] = 0x0CE8, }; +static const u32 mt8195_regs[] = { + [PMIF_INIT_DONE] = 0x0000, + [PMIF_INF_EN] = 0x0024, + [PMIF_ARB_EN] = 0x0150, + [PMIF_CMDISSUE_EN] = 0x03B8, + [PMIF_TIMER_CTRL] = 0x03E4, + [PMIF_SPI_MODE_CTRL] = 0x0408, + [PMIF_IRQ_EVENT_EN_0] = 0x0420, + [PMIF_IRQ_FLAG_0] = 0x0428, + [PMIF_IRQ_CLR_0] = 0x042C, + [PMIF_IRQ_EVENT_EN_1] = 0x0430, + [PMIF_IRQ_FLAG_1] = 0x0438, + [PMIF_IRQ_CLR_1] = 0x043C, + [PMIF_IRQ_EVENT_EN_2] = 0x0440, + [PMIF_IRQ_FLAG_2] = 0x0448, + [PMIF_IRQ_CLR_2] = 0x044C, + [PMIF_IRQ_EVENT_EN_3] = 0x0450, + [PMIF_IRQ_FLAG_3] = 0x0458, + [PMIF_IRQ_CLR_3] = 0x045C, + [PMIF_IRQ_EVENT_EN_4] = 0x0460, + [PMIF_IRQ_FLAG_4] = 0x0468, + [PMIF_IRQ_CLR_4] = 0x046C, + [PMIF_WDT_EVENT_EN_0] = 0x0474, + [PMIF_WDT_FLAG_0] = 0x0478, + [PMIF_WDT_EVENT_EN_1] = 0x047C, + [PMIF_WDT_FLAG_1] = 0x0480, + [PMIF_SWINF_0_ACC] = 0x0800, + [PMIF_SWINF_0_WDATA_31_0] = 0x0804, + [PMIF_SWINF_0_RDATA_31_0] = 0x0814, + [PMIF_SWINF_0_VLD_CLR] = 0x0824, + [PMIF_SWINF_0_STA] = 0x0828, + [PMIF_SWINF_1_ACC] = 0x0840, + [PMIF_SWINF_1_WDATA_31_0] = 0x0844, + [PMIF_SWINF_1_RDATA_31_0] = 0x0854, + [PMIF_SWINF_1_VLD_CLR] = 0x0864, + [PMIF_SWINF_1_STA] = 0x0868, + [PMIF_SWINF_2_ACC] = 0x0880, + [PMIF_SWINF_2_WDATA_31_0] = 0x0884, + [PMIF_SWINF_2_RDATA_31_0] = 0x0894, + [PMIF_SWINF_2_VLD_CLR] = 0x08A4, + [PMIF_SWINF_2_STA] = 0x08A8, + [PMIF_SWINF_3_ACC] = 0x08C0, + [PMIF_SWINF_3_WDATA_31_0] = 0x08C4, + [PMIF_SWINF_3_RDATA_31_0] = 0x08D4, + [PMIF_SWINF_3_VLD_CLR] = 0x08E4, + [PMIF_SWINF_3_STA] = 0x08E8, +}; + enum spmi_regs { SPMI_OP_ST_CTRL, SPMI_GRP_ID_EN, @@ -165,6 +213,15 @@ enum spmi_regs { SPMI_REC3, SPMI_REC4, SPMI_MST_DBG, + + /* MT8195 spmi regs */ + SPMI_MST_RCS_CTRL, + SPMI_SLV_3_0_EINT, + SPMI_SLV_7_4_EINT, + SPMI_SLV_B_8_EINT, + SPMI_SLV_F_C_EINT, + SPMI_REC_CMD_DEC, + SPMI_DEC_DBG, }; static const u32 mt6873_spmi_regs[] = { @@ -182,6 +239,28 @@ static const u32 mt6873_spmi_regs[] = { [SPMI_MST_DBG] = 0x00fc, }; +static const u32 mt8195_spmi_regs[] = { + [SPMI_OP_ST_CTRL] = 0x0000, + [SPMI_GRP_ID_EN] = 0x0004, + [SPMI_OP_ST_STA] = 0x0008, + [SPMI_MST_SAMPL] = 0x000C, + [SPMI_MST_REQ_EN] = 0x0010, + [SPMI_MST_RCS_CTRL] = 0x0014, + [SPMI_SLV_3_0_EINT] = 0x0020, + [SPMI_SLV_7_4_EINT] = 0x0024, + [SPMI_SLV_B_8_EINT] = 0x0028, + [SPMI_SLV_F_C_EINT] = 0x002C, + [SPMI_REC_CTRL] = 0x0040, + [SPMI_REC0] = 0x0044, + [SPMI_REC1] = 0x0048, + [SPMI_REC2] = 0x004C, + [SPMI_REC3] = 0x0050, + [SPMI_REC4] = 0x0054, + [SPMI_REC_CMD_DEC] = 0x005C, + [SPMI_DEC_DBG] = 0x00F8, + [SPMI_MST_DBG] = 0x00FC, +}; + static u32 pmif_readl(struct pmif *arb, enum pmif_regs reg) { return readl(arb->base + arb->data->regs[reg]); @@ -345,6 +424,12 @@ static const struct pmif_data mt6873_pmif_arb = { .soc_chan = 2, }; +static const struct pmif_data mt8195_pmif_arb = { + .regs = mt8195_regs, + .spmimst_regs = mt8195_spmi_regs, + .soc_chan = 2, +}; + static int mtk_spmi_probe(struct platform_device *pdev) { struct pmif *arb; @@ -433,6 +518,9 @@ static const struct of_device_id mtk_spmi_match_table[] = { { .compatible = "mediatek,mt6873-spmi", .data = &mt6873_pmif_arb, + }, { + .compatible = "mediatek,mt8195-spmi", + .data = &mt8195_pmif_arb, }, { /* sentinel */ },