From patchwork Wed Sep 7 12:53:27 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Govindraj.R" X-Patchwork-Id: 1127192 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p87G3exo006429 for ; Wed, 7 Sep 2011 16:03:40 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755054Ab1IGQBh (ORCPT ); Wed, 7 Sep 2011 12:01:37 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:48346 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754870Ab1IGQBF (ORCPT ); Wed, 7 Sep 2011 12:01:05 -0400 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id p87Crq7Y010052 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 7 Sep 2011 07:53:54 -0500 Received: from dbde70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id p87Crohp026936; Wed, 7 Sep 2011 18:23:51 +0530 (IST) Received: from dbdp31.itg.ti.com (172.24.170.98) by DBDE70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 8.3.106.1; Wed, 7 Sep 2011 18:23:51 +0530 Received: from ula0131859.india.ti.com ([172.24.191.138]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p87Crjvs008977; Wed, 7 Sep 2011 18:23:50 +0530 (IST) From: "Govindraj.R" To: CC: , , "Govindraj.R" , Kevin Hilman , Paul Walmsley , Tony Lindgren , Vishwanath Sripathy , Partha Basak Subject: [PATCH v4 05/11] OMAP2+: Serial: Add default mux for all uarts. Date: Wed, 7 Sep 2011 18:23:27 +0530 Message-ID: <1315400013-4849-6-git-send-email-govindraj.raja@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1315400013-4849-1-git-send-email-govindraj.raja@ti.com> References: <1315400013-4849-1-git-send-email-govindraj.raja@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Wed, 07 Sep 2011 16:03:41 +0000 (UTC) Add default mux data for all uart's if mux info is not passed from board file to avoid breaking any board support. Signed-off-by: Govindraj.R --- arch/arm/mach-omap2/serial.c | 132 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 132 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index e732d6c..2e10357 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -62,6 +62,134 @@ static struct omap_device_pm_latency omap_uart_latency[] = { }, }; +#ifdef CONFIG_OMAP_MUX +static struct omap_device_pad default_uart1_pads[] __initdata = { + { + .name = "uart1_cts.uart1_cts", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart1_rts.uart1_rts", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart1_tx.uart1_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart1_rx.uart1_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_uart2_pads[] __initdata = { + { + .name = "uart2_cts.uart2_cts", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart2_rts.uart2_rts", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart2_tx.uart2_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart2_rx.uart2_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_uart3_pads[] __initdata = { + { + .name = "uart3_cts_rctx.uart3_cts_rctx", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart3_rts_sd.uart3_rts_sd", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart3_tx_irtx.uart3_tx_irtx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart3_rx_irrx.uart3_rx_irrx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_omap36xx_uart4_pads[] __initdata = { + { + .name = "gpmc_wait2.uart4_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "gpmc_wait3.uart4_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE2, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE2, + }, +}; + +static struct omap_device_pad default_omap4_uart4_pads[] __initdata = { + { + .name = "uart4_tx.uart4_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart4_rx.uart4_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + }, +}; +#else +static struct omap_device_pad default_uart1_pads[] __initdata = {}; +static struct omap_device_pad default_uart2_pads[] __initdata = {}; +static struct omap_device_pad default_uart3_pads[] __initdata = {}; +static struct omap_device_pad default_omap36xx_uart4_pads[] __initdata = {}; +static struct omap_device_pad default_omap4_uart4_pads[] __initdata = {}; +#endif + +static void omap_serial_fill_default_pads(struct omap_board_data *bdata) +{ + switch (bdata->id) { + case 0: + bdata->pads = default_uart1_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart1_pads); + break; + case 1: + bdata->pads = default_uart2_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart2_pads); + break; + case 2: + bdata->pads = default_uart3_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart3_pads); + break; + case 3: + if (cpu_is_omap44xx()) { + bdata->pads = default_omap4_uart4_pads; + bdata->pads_cnt = + ARRAY_SIZE(default_omap4_uart4_pads); + } else { + bdata->pads = default_omap36xx_uart4_pads; + bdata->pads_cnt = + ARRAY_SIZE(default_omap36xx_uart4_pads); + } + break; + default: + break; + } +} + static void omap_uart_idle_init(struct omap_uart_port_info *uart, unsigned short num) { @@ -221,6 +349,10 @@ void __init omap_serial_init(void) bdata.flags = 0; bdata.pads = NULL; bdata.pads_cnt = 0; + + if (cpu_is_omap44xx() || cpu_is_omap34xx()) + omap_serial_fill_default_pads(&bdata); + omap_serial_init_port(&bdata); } }