From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulrich Hecht Date: Fri, 30 Aug 2013 12:37:42 +0000 Subject: [RFC 08/10] ARM: shmobile: r8a7790: lager: i2c support Message-Id: <1377866264-21110-9-git-send-email-ulrich.hecht@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org Enables the four i2c busses on the Lager board. Signed-off-by: Ulrich Hecht --- arch/arm/mach-shmobile/board-lager.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index 4c3e694..c6b5f21 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -20,6 +20,7 @@ #include #include +#include #include #include #include @@ -171,6 +172,11 @@ static const struct pinctrl_map lager_pinctrl_map[] = { "du_sync_1", "du"), PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", "du_clk_out_0", "du"), + /* I2C */ + PIN_MAP_MUX_GROUP_DEFAULT("rcar-i2c.1", "pfc-r8a7790", + "i2c1", "i2c1"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-i2c.2", "pfc-r8a7790", + "i2c2", "i2c2"), /* SCIF0 (CN19: DEBUG SERIAL0) */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790", "scif0_data", "scif0"), @@ -193,6 +199,23 @@ static const struct pinctrl_map lager_pinctrl_map[] = { "intc_irq0", "intc"), }; +static struct i2c_board_info i2c2_devices[] = { + /* ak4643 at 0x12: no driver */ + { + I2C_BOARD_INFO("adv7180", 0x20), + }, + { + I2C_BOARD_INFO("adv7511", 0x39), + }, + /* adv7612 at 0x4c: no driver */ +}; + +/* I2C */ +static struct i2c_rcar_platform_data i2c_pdata = { + .bus_speed = 100000, + .flags = I2C_RCAR_FLAGS_ICCCR_IS_3BIT, +}; + static void __init lager_add_standard_devices(void) { r8a7790_clock_init(); @@ -220,6 +243,15 @@ static void __init lager_add_standard_devices(void) ðer_pdata, sizeof(ether_pdata)); lager_add_du_device(); + + r8a7790_add_i2c_device(0, &i2c_pdata); + r8a7790_add_i2c_device(1, &i2c_pdata); + r8a7790_add_i2c_device(2, &i2c_pdata); + r8a7790_add_i2c_device(3, &i2c_pdata); + + /* I2C channels 0 and 3 are wired to external connectors; channel 1 + has only one device (da9063) for which no driver exists. */ + i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices)); } static const char * const lager_boards_compat_dt[] __initconst = { -- 1.8.1.4