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Subject: [media] adv7604: Add endpoint properties to DT bindings Author: Laurent Pinchart <[email protected]> Date: Tue Feb 4 20:23:16 2014 -0300 Add support for the hsync-active, vsync-active and pclk-sample properties to the DT bindings and control BT.656 mode implicitly. Signed-off-by: Laurent Pinchart <[email protected]> Acked-by: Hans Verkuil <[email protected]> Acked-by: Sylwester Nawrocki <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> .../devicetree/bindings/media/i2c/adv7604.txt | 13 +++++++ drivers/media/i2c/adv7604.c | 34 ++++++++++++++++++- 2 files changed, 45 insertions(+), 2 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=6fa88045ef7db3d09af80aa00fd7c937b7289387 diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index 2efb48f..c27cede 100644 --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt @@ -33,6 +33,19 @@ Optional Properties: - reset-gpios: Reference to the GPIO connected to the device's reset pin. +Optional Endpoint Properties: + + The following three properties are defined in video-interfaces.txt and are + valid for source endpoints only. + + - hsync-active: Horizontal synchronization polarity. Defaults to active low. + - vsync-active: Vertical synchronization polarity. Defaults to active low. + - pclk-sample: Pixel clock polarity. Defaults to output on the falling edge. + + If none of hsync-active, vsync-active and pclk-sample is specified the + endpoint will use embedded BT.656 synchronization. + + Example: hdmi_receiver@4c { diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 1323189..1493de6 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -41,6 +41,7 @@ #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-dv-timings.h> +#include <media/v4l2-of.h> static int debug; module_param(debug, int, 0644); @@ -2678,6 +2679,37 @@ MODULE_DEVICE_TABLE(of, adv7604_of_id); static int adv7604_parse_dt(struct adv7604_state *state) { + struct v4l2_of_endpoint bus_cfg; + struct device_node *endpoint; + struct device_node *np; + unsigned int flags; + + np = state->i2c_clients[ADV7604_PAGE_IO]->dev.of_node; + + /* Parse the endpoint. */ + endpoint = of_graph_get_next_endpoint(np, NULL); + if (!endpoint) + return -EINVAL; + + v4l2_of_parse_endpoint(endpoint, &bus_cfg); + of_node_put(endpoint); + + flags = bus_cfg.bus.parallel.flags; + + if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) + state->pdata.inv_hs_pol = 1; + + if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) + state->pdata.inv_vs_pol = 1; + + if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + state->pdata.inv_llc_pol = 1; + + if (bus_cfg.bus_type == V4L2_MBUS_BT656) { + state->pdata.insert_av_codes = 1; + state->pdata.op_656_range = 1; + } + /* Disable the interrupt for now as no DT-based board uses it. */ state->pdata.int1_config = ADV7604_INT1_CONFIG_DISABLED; @@ -2700,9 +2732,7 @@ static int adv7604_parse_dt(struct adv7604_state *state) state->pdata.disable_cable_det_rst = 0; state->pdata.default_input = -1; state->pdata.blank_data = 1; - state->pdata.op_656_range = 1; state->pdata.alt_data_sat = 1; - state->pdata.insert_av_codes = 1; state->pdata.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0; state->pdata.bus_order = ADV7604_BUS_ORDER_RGB; _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
