From patchwork Thu Nov 15 08:15:22 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Piotr Wilczek X-Patchwork-Id: 199215 X-Patchwork-Delegate: hs@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id C36692C00B4 for ; Thu, 15 Nov 2012 19:16:35 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id CE8E94A0C5; Thu, 15 Nov 2012 09:16:22 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AC7KuFqgO-eG; Thu, 15 Nov 2012 09:16:22 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 94C774A0B9; Thu, 15 Nov 2012 09:16:07 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 489564A0B6 for ; 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Thu, 15 Nov 2012 17:15:52 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MDI00E3HS9U1070@mmp1.samsung.com> for u-boot@lists.denx.de; Thu, 15 Nov 2012 17:15:52 +0900 (KST) From: Piotr Wilczek To: u-boot@lists.denx.de Date: Thu, 15 Nov 2012 09:15:22 +0100 Message-id: <1352967325-26426-4-git-send-email-p.wilczek@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1352967325-26426-1-git-send-email-p.wilczek@samsung.com> References: <1352967325-26426-1-git-send-email-p.wilczek@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMJMWRmVeSWpSXmKPExsVy+t9jAd0dS5YEGKw+ZWXxdm8nuwOjx9k7 OxgDGKO4bFJSczLLUov07RK4Mg7PfM1csFG04uD2k6wNjJ1CXYycHBICJhJbPz9ihbDFJC7c W8/WxcjFISSwiFFi6aPTLCAJIYHFTBJPJymD2GwC2hLL37xhBLFFBCQkfvVfZQRpYBZYyiRx 7t5/sISwgJ1Ex/GTzCA2i4CqxKedE8HivAKuEmu23IHaJi/x9H4fG4jNKeAmcWTHPXaIZa4S rStOM05g5F3AyLCKUTS1ILmgOCk910ivODG3uDQvXS85P3cTI9jrz6R3MK5qsDjEKMDBqMTD a/FxcYAQa2JZcWXuIUYJDmYlEd4XB4FCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeZs9UgKEBNIT S1KzU1MLUotgskwcnFINjDNuPcngKrkVXnPbtSH+rvaMgOubSufyNV1ut14lovCWJ7pAq98+ dluDqMzGH4+U7M5y7p/4r5ZL4W/mGxPh6nsfF80Njnjm3Hp04j7N15WKqWcz0mfcW+yy2S5s 249/98WDeHYJPZzLf27FHAOJJX1GvbueFJ/fuOnahQOftxy9mdCUq7/f4p4SS3FGoqEWc1Fx IgCRVmTX9gEAAA== Cc: Stephen Warren , Piotr Wilczek , Kyungmin Park , Tom Rini , Heiko Schocher Subject: [U-Boot] [PATCH 3/6] exynos:pinmux: Add pinmux support for i2c X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This patch add pinmux for I2C for Exynos4 Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park CC: Minkyu Kang --- arch/arm/cpu/armv7/exynos/pinmux.c | 64 ++++++++++++++++++++++++++++++++++++ 1 files changed, 64 insertions(+), 0 deletions(-) diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 7776add..44ce072 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -265,10 +265,74 @@ static int exynos5_pinmux_config(int peripheral, int flags) return 0; } +static void exynos4_i2c_config(int peripheral, int flags) +{ + struct exynos4_gpio_part1 *gpio1 = + (struct exynos4_gpio_part1 *) samsung_get_base_gpio_part1(); + + switch (peripheral) { + case PERIPH_ID_I2C0: + s5p_gpio_cfg_pin(&gpio1->d1, 0, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->d1, 1, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C1: + s5p_gpio_cfg_pin(&gpio1->d1, 2, GPIO_FUNC(0x2)); + s5p_gpio_cfg_pin(&gpio1->d1, 3, GPIO_FUNC(0x2)); + break; + case PERIPH_ID_I2C2: + s5p_gpio_cfg_pin(&gpio1->a0, 6, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a0, 7, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C3: + s5p_gpio_cfg_pin(&gpio1->a1, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->a1, 3, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C4: + s5p_gpio_cfg_pin(&gpio1->b, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->b, 3, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C5: + s5p_gpio_cfg_pin(&gpio1->b, 6, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->b, 7, GPIO_FUNC(0x3)); + break; + case PERIPH_ID_I2C6: + s5p_gpio_cfg_pin(&gpio1->c1, 3, GPIO_FUNC(0x4)); + s5p_gpio_cfg_pin(&gpio1->c1, 4, GPIO_FUNC(0x4)); + break; + case PERIPH_ID_I2C7: + s5p_gpio_cfg_pin(&gpio1->d0, 2, GPIO_FUNC(0x3)); + s5p_gpio_cfg_pin(&gpio1->d0, 3, GPIO_FUNC(0x3)); + break; + } +} + +static int exynos4_pinmux_config(int peripheral, int flags) +{ + switch (peripheral) { + case PERIPH_ID_I2C0: + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + case PERIPH_ID_I2C3: + case PERIPH_ID_I2C4: + case PERIPH_ID_I2C5: + case PERIPH_ID_I2C6: + case PERIPH_ID_I2C7: + exynos4_i2c_config(peripheral, flags); + break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return -1; + } + + return 0; +} + int exynos_pinmux_config(int peripheral, int flags) { if (cpu_is_exynos5()) return exynos5_pinmux_config(peripheral, flags); + else if (cpu_is_exynos4()) + return exynos4_pinmux_config(peripheral, flags); else { debug("pinmux functionality not supported\n"); return -1;