diff options
| -rw-r--r-- | Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_drv.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 30 |
3 files changed, 33 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index 46df3b78ae9e..b2c08af73a95 100644 --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt @@ -86,6 +86,7 @@ The TCON acts as a timing controller for RGB, LVDS and TV interfaces. Required properties: - compatible: value must be either: + * allwinner,sun4i-a10-tcon * allwinner,sun5i-a13-tcon * allwinner,sun6i-a31-tcon * allwinner,sun6i-a31s-tcon diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index a27efad9bc76..12855ed53d13 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -185,7 +185,8 @@ static bool sun4i_drv_node_is_frontend(struct device_node *node) static bool sun4i_drv_node_is_tcon(struct device_node *node) { - return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") || + return of_device_is_compatible(node, "allwinner,sun4i-a10-tcon") || + of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") || of_device_is_compatible(node, "allwinner,sun6i-a31-tcon") || of_device_is_compatible(node, "allwinner,sun6i-a31s-tcon") || of_device_is_compatible(node, "allwinner,sun8i-a33-tcon") || diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index f69bcdf11cb8..7beac80c406e 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -800,6 +800,30 @@ static int sun4i_tcon_remove(struct platform_device *pdev) } /* platform specific TCON muxing callbacks */ +static int sun4i_a10_tcon_set_mux(struct sun4i_tcon *tcon, + const struct drm_encoder *encoder) +{ + struct sun4i_tcon *tcon0 = sun4i_get_tcon0(encoder->dev); + u32 shift; + + if (!tcon0) + return -EINVAL; + + switch (encoder->encoder_type) { + case DRM_MODE_ENCODER_TMDS: + /* HDMI */ + shift = 8; + break; + default: + return -EINVAL; + } + + regmap_update_bits(tcon0->regs, SUN4I_TCON_MUX_CTRL_REG, + 0x3 << shift, tcon->id << shift); + + return 0; +} + static int sun5i_a13_tcon_set_mux(struct sun4i_tcon *tcon, const struct drm_encoder *encoder) { @@ -841,6 +865,11 @@ static int sun6i_tcon_set_mux(struct sun4i_tcon *tcon, return 0; } +static const struct sun4i_tcon_quirks sun4i_a10_quirks = { + .has_channel_1 = true, + .set_mux = sun4i_a10_tcon_set_mux, +}; + static const struct sun4i_tcon_quirks sun5i_a13_quirks = { .has_channel_1 = true, .set_mux = sun5i_a13_tcon_set_mux, @@ -866,6 +895,7 @@ static const struct sun4i_tcon_quirks sun8i_v3s_quirks = { }; static const struct of_device_id sun4i_tcon_of_table[] = { + { .compatible = "allwinner,sun4i-a10-tcon", .data = &sun4i_a10_quirks }, { .compatible = "allwinner,sun5i-a13-tcon", .data = &sun5i_a13_quirks }, { .compatible = "allwinner,sun6i-a31-tcon", .data = &sun6i_a31_quirks }, { .compatible = "allwinner,sun6i-a31s-tcon", .data = &sun6i_a31s_quirks }, |