leds: leds-mt6323: Add support for MT6331 leds

Add the register offsets for MT6331. The hwspec is the same as MT6323.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230601110813.2373764-8-angelogioacchino.delregno@collabora.com

Author: AngeloGioacchino Del Regno

drivers/leds/leds-mt6323.c

@@ -529,6 +529,17 @@ static const struct mt6323_regs mt6323_registers = {
 	.isink_en_ctrl = 0x356,
 };
 
+static const struct mt6323_regs mt6331_registers = {
+	.top_ckpdn = (const u16[]){ 0x138, 0x13e, 0x144 },
+	.num_top_ckpdn = 3,
+	.top_ckcon = (const u16[]){ 0x14c, 0x14a },
+	.num_top_ckcon = 2,
+	.isink_con = (const u16[]){ 0x40c, 0x40e, 0x410, 0x412, 0x414 },
+	.num_isink_con = 5,
+	.isink_max_regs = 4, /* ISINK[0..3] */
+	.isink_en_ctrl = 0x43a,
+};
+
 static const struct mt6323_hwspec mt6323_spec = {
 	.max_period = 10000,
 	.max_leds = 4,
@@ -541,8 +552,14 @@ static const struct mt6323_data mt6323_pdata = {
 	.spec = &mt6323_spec,
 };
 
+static const struct mt6323_data mt6331_pdata = {
+	.regs = &mt6331_registers,
+	.spec = &mt6323_spec,
+};
+
 static const struct of_device_id mt6323_led_dt_match[] = {
 	{ .compatible = "mediatek,mt6323-led", .data = &mt6323_pdata},
+	{ .compatible = "mediatek,mt6331-led", .data = &mt6331_pdata },
 	{},
 };
 MODULE_DEVICE_TABLE(of, mt6323_led_dt_match);