ADV7535 is a DSI to HDMI bridge chip like ADV7533 but it allows
1080p@60Hz. v1p2 is fixed to 1.8V on ADV7535 but on ADV7533 can be 1.2V
or 1.8V and is configurable in a register.

Signed-off-by: Bogdan Togorean <bogdan.togor...@analog.com>
---
 drivers/gpu/drm/bridge/adv7511/adv7511.h     |  2 ++
 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 31 +++++++++++++++-----
 2 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h 
b/drivers/gpu/drm/bridge/adv7511/adv7511.h
index 52b2adfdc877..702432615ec8 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -91,6 +91,7 @@
 #define ADV7511_REG_ARC_CTRL                   0xdf
 #define ADV7511_REG_CEC_I2C_ADDR               0xe1
 #define ADV7511_REG_CEC_CTRL                   0xe2
+#define ADV7511_REG_SUPPLY_SELECT              0xe4
 #define ADV7511_REG_CHIP_ID_HIGH               0xf5
 #define ADV7511_REG_CHIP_ID_LOW                        0xf6
 
@@ -320,6 +321,7 @@ struct adv7511_video_config {
 enum adv7511_type {
        ADV7511,
        ADV7533,
+       ADV7535,
 };
 
 #define ADV7511_MAX_ADDRS 3
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c 
b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index f6d2681f6927..941072decb73 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -367,7 +367,7 @@ static void adv7511_power_on(struct adv7511 *adv7511)
         */
        regcache_sync(adv7511->regmap);
 
-       if (adv7511->type == ADV7533)
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
                adv7533_dsi_power_on(adv7511);
        adv7511->powered = true;
 }
@@ -387,7 +387,7 @@ static void __adv7511_power_off(struct adv7511 *adv7511)
 static void adv7511_power_off(struct adv7511 *adv7511)
 {
        __adv7511_power_off(adv7511);
-       if (adv7511->type == ADV7533)
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
                adv7533_dsi_power_off(adv7511);
        adv7511->powered = false;
 }
@@ -761,7 +761,7 @@ static void adv7511_mode_set(struct adv7511 *adv7511,
        regmap_update_bits(adv7511->regmap, 0x17,
                0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
 
-       if (adv7511->type == ADV7533)
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
                adv7533_mode_set(adv7511, adj_mode);
 
        drm_mode_copy(&adv7511->curr_mode, adj_mode);
@@ -874,7 +874,7 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge)
                                 &adv7511_connector_helper_funcs);
        drm_connector_attach_encoder(&adv->connector, bridge->encoder);
 
-       if (adv->type == ADV7533)
+       if (adv->type == ADV7533 || adv->type == ADV7535)
                ret = adv7533_attach_dsi(adv);
 
        if (adv->i2c_main->irq)
@@ -952,7 +952,7 @@ static bool adv7511_cec_register_volatile(struct device 
*dev, unsigned int reg)
        struct i2c_client *i2c = to_i2c_client(dev);
        struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
 
-       if (adv7511->type == ADV7533)
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
                reg -= ADV7533_REG_CEC_OFFSET;
 
        switch (reg) {
@@ -994,7 +994,7 @@ static int adv7511_init_cec_regmap(struct adv7511 *adv)
                goto err;
        }
 
-       if (adv->type == ADV7533) {
+       if (adv->type == ADV7533 || adv->type == ADV7535) {
                ret = adv7533_patch_cec_registers(adv);
                if (ret)
                        goto err;
@@ -1094,8 +1094,9 @@ static int adv7511_probe(struct i2c_client *i2c, const 
struct i2c_device_id *id)
        struct adv7511_link_config link_config;
        struct adv7511 *adv7511;
        struct device *dev = &i2c->dev;
+       struct regulator *reg_v1p2;
        unsigned int val;
-       int ret;
+       int ret, reg_v1p2_uV;
 
        if (!dev->of_node)
                return -EINVAL;
@@ -1163,6 +1164,18 @@ static int adv7511_probe(struct i2c_client *i2c, const 
struct i2c_device_id *id)
        if (ret)
                goto uninit_regulators;
 
+       if (adv7511->type == ADV7533) {
+               ret = match_string(adv7533_supply_names, adv7511->num_supplies,
+                                                                       "v1p2");
+               reg_v1p2 = adv7511->supplies[ret].consumer;
+               reg_v1p2_uV = regulator_get_voltage(reg_v1p2);
+
+               if (reg_v1p2_uV == 1200000) {
+                       regmap_update_bits(adv7511->regmap,
+                               ADV7511_REG_SUPPLY_SELECT, 0x80, 0x80);
+               }
+       }
+
        adv7511_packet_disable(adv7511, 0xffff);
 
        adv7511->i2c_edid = i2c_new_secondary_device(i2c, "edid",
@@ -1242,7 +1255,7 @@ static int adv7511_remove(struct i2c_client *i2c)
 {
        struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
 
-       if (adv7511->type == ADV7533)
+       if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
                adv7533_detach_dsi(adv7511);
        i2c_unregister_device(adv7511->i2c_cec);
        if (adv7511->cec_clk)
@@ -1268,6 +1281,7 @@ static const struct i2c_device_id adv7511_i2c_ids[] = {
        { "adv7513", ADV7511 },
 #ifdef CONFIG_DRM_I2C_ADV7533
        { "adv7533", ADV7533 },
+       { "adv7535", ADV7535 },
 #endif
        { }
 };
@@ -1279,6 +1293,7 @@ static const struct of_device_id adv7511_of_ids[] = {
        { .compatible = "adi,adv7513", .data = (void *)ADV7511 },
 #ifdef CONFIG_DRM_I2C_ADV7533
        { .compatible = "adi,adv7533", .data = (void *)ADV7533 },
+       { .compatible = "adi,adv7535", .data = (void *)ADV7535 },
 #endif
        { }
 };
-- 
2.22.0

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