From patchwork Fri Dec 4 01:25:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 7764861 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B36B3BEEE1 for ; Fri, 4 Dec 2015 01:28:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CD885204E7 for ; Fri, 4 Dec 2015 01:28:12 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id E92D8204E3 for ; Fri, 4 Dec 2015 01:28:11 +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 1a4f8Z-00038T-JF; Fri, 04 Dec 2015 01:26:15 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1a4f8M-00035Y-S7 for linux-arm-kernel@lists.infradead.org; Fri, 04 Dec 2015 01:26:03 +0000 Received: from sampyla.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 4430C850C; Fri, 4 Dec 2015 01:26:34 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 1/7] ARM: dts: Add pinctrl macros for dm814x Date: Thu, 3 Dec 2015 17:25:29 -0800 Message-Id: <1449192335-10137-2-git-send-email-tony@atomide.com> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1449192335-10137-1-git-send-email-tony@atomide.com> References: <1449192335-10137-1-git-send-email-tony@atomide.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151203_172603_089068_F2B7E016 X-CRM114-Status: GOOD ( 12.76 ) X-Spam-Score: -1.9 (-) 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: Matthijs van Duin , Linus Walleij , Neil Armstrong , Philipp Rosenberger , Delio Brignoli , Brian Hutchinson , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let's add the DM814X_IOPAD macro the same way as we have for dm816x and am33xx as this allows comparing the registers with the documentation easily. The pinctrl bits are yet again different on dm814x. Cc: Linus Walleij Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/dm814x.dtsi | 2 +- include/dt-bindings/pinctrl/dm814x.h | 48 ++++++++++++++++++++++++++++++++++++ include/dt-bindings/pinctrl/omap.h | 1 + 3 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 include/dt-bindings/pinctrl/dm814x.h diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi index 09a8d88..ca92346 100644 --- a/arch/arm/boot/dts/dm814x.dtsi +++ b/arch/arm/boot/dts/dm814x.dtsi @@ -5,7 +5,7 @@ */ #include -#include +#include #include "skeleton.dtsi" diff --git a/include/dt-bindings/pinctrl/dm814x.h b/include/dt-bindings/pinctrl/dm814x.h new file mode 100644 index 0000000..0f48427 --- /dev/null +++ b/include/dt-bindings/pinctrl/dm814x.h @@ -0,0 +1,48 @@ +/* + * This header provides constants specific to DM814X pinctrl bindings. + */ + +#ifndef _DT_BINDINGS_PINCTRL_DM814X_H +#define _DT_BINDINGS_PINCTRL_DM814X_H + +#include + +#undef INPUT_EN +#undef PULL_UP +#undef PULL_ENA + +/* + * Note that dm814x silicon revision 2.1 and older require input enabled + * (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage. For + * more info, see errata advisory 2.1.87. We leave bit 18 out of + * function-mask in dm814x.h and rely on the bootloader for it. + */ +#define INPUT_EN (1 << 18) +#define PULL_UP (1 << 17) +#define PULL_DISABLE (1 << 16) + +/* update macro depending on INPUT_EN and PULL_ENA */ +#undef PIN_OUTPUT +#undef PIN_OUTPUT_PULLUP +#undef PIN_OUTPUT_PULLDOWN +#undef PIN_INPUT +#undef PIN_INPUT_PULLUP +#undef PIN_INPUT_PULLDOWN + +#define PIN_OUTPUT (PULL_DISABLE) +#define PIN_OUTPUT_PULLUP (PULL_UP) +#define PIN_OUTPUT_PULLDOWN 0 +#define PIN_INPUT (INPUT_EN | PULL_DISABLE) +#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP) +#define PIN_INPUT_PULLDOWN (INPUT_EN) + +/* undef non-existing modes */ +#undef PIN_OFF_NONE +#undef PIN_OFF_OUTPUT_HIGH +#undef PIN_OFF_OUTPUT_LOW +#undef PIN_OFF_INPUT_PULLUP +#undef PIN_OFF_INPUT_PULLDOWN +#undef PIN_OFF_WAKEUPENABLE + +#endif + diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h index 1394925..d1e1512 100644 --- a/include/dt-bindings/pinctrl/omap.h +++ b/include/dt-bindings/pinctrl/omap.h @@ -61,6 +61,7 @@ #define OMAP3430_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25d8) (val) #define OMAP3630_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25a0) (val) #define OMAP3_WKUP_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2a00) (val) +#define DM814X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) #define DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) #define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) #define AM4372_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)