From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753158Ab1ARTW0 (ORCPT ); Tue, 18 Jan 2011 14:22:26 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:42374 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752985Ab1ARTWU (ORCPT ); Tue, 18 Jan 2011 14:22:20 -0500 From: Cyril Chemparathy To: davinci-linux-open-source@linux.davincidsp.com, spi-devel-general@lists.sourceforge.net, sameo@linux.intel.com, rpurdie@rpsys.net, dbrownell@users.sourceforge.net Cc: c-park@ti.com, linux-arm-kernel@lists.arm.linux.org.uk, linux-kernel@vger.kernel.org, Cyril Chemparathy Subject: [PATCH v8 11/11] davinci: add tnetv107x evm i2c eeprom device Date: Tue, 18 Jan 2011 14:21:45 -0500 Message-Id: <1295378505-15221-12-git-send-email-cyril@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1295378505-15221-1-git-send-email-cyril@ti.com> References: <1295378505-15221-1-git-send-email-cyril@ti.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The tnetv107x evm board has an I2C device connected on one of the SSP ports. This patch adds board definitions for a GPIO based I2C master, as well as definitions for the eeprom device on these boards. Signed-off-by: Cyril Chemparathy --- arch/arm/mach-davinci/board-tnetv107x-evm.c | 30 +++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c index ac62de2..869af15 100644 --- a/arch/arm/mach-davinci/board-tnetv107x-evm.c +++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c @@ -29,6 +29,9 @@ #include #include #include +#include +#include +#include #include #include @@ -44,6 +47,8 @@ #define EVM_MMC_WP_GPIO 21 #define EVM_MMC_CD_GPIO 24 #define EVM_SPI_CS_GPIO 54 +#define EVM_I2C_SDA_GPIO (SSP_GPIO_START + 0) +#define EVM_I2C_SCL_GPIO (SSP_GPIO_START + 1) #define EVM_BACKLIGHT_GPIO (SSP_GPIO_START + 2) static int initialize_gpio(int gpio, char *desc) @@ -360,6 +365,29 @@ static struct platform_device backlight_device = { .dev.platform_data = (void *)EVM_BACKLIGHT_GPIO, }; +struct i2c_gpio_platform_data i2c_data = { + .sda_pin = EVM_I2C_SDA_GPIO, + .scl_pin = EVM_I2C_SCL_GPIO, +}; + +static struct platform_device i2c_device = { + .name = "i2c-gpio", + .id = 0, + .dev.platform_data = &i2c_data, +}; + +static struct at24_platform_data at24_config = { + .byte_len = SZ_16K / 8, + .page_size = 16, +}; + +static struct i2c_board_info i2c_info[] __initconst = { + { + I2C_BOARD_INFO("24c16", 0x50), + .platform_data = &at24_config, + }, +}; + static __init void tnetv107x_evm_board_init(void) { davinci_cfg_reg_list(sdio1_pins); @@ -369,11 +397,13 @@ static __init void tnetv107x_evm_board_init(void) tnetv107x_devices_init(&evm_device_info); spi_register_board_info(spi_info, ARRAY_SIZE(spi_info)); + i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info)); } static int __init tnetv107x_evm_late_init(void) { platform_device_register(&backlight_device); + platform_device_register(&i2c_device); return 0; } late_initcall(tnetv107x_evm_late_init); -- 1.7.1