linux-kernel - [RFC 17/25] leds: tm1628: Prepare Fude Microelectronics AiP1618

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Date:   Thu, 12 Dec 2019 04:39:44 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org, linux-leds@...r.kernel.org
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>
Subject: [RFC 17/25] leds: tm1628: Prepare Fude Microelectronics AiP1618

Add definition for AiP1618 chipset.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 drivers/leds/Kconfig       |  5 +++--
 drivers/leds/leds-tm1628.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index a7695d961d9c..3a7e6028ae80 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -842,8 +842,9 @@ config LEDS_TM1628
 	depends on SPI
 	depends on OF || COMPILE_TEST
 	help
-	  Say Y to enable support for Titan Micro Electronics TM1628 and
-	  Fuda Hisi Microelectronics FD628 LED controllers.
+	  Say Y to enable support for Titan Micro Electronics TM1628,
+	  Fuda Hisi Microelectronics FD628 and Fude Microelectronics AiP1618
+	  LED controllers.
 	  They are 3-wire SPI devices controlling a two-dimensional grid of
 	  LEDs. Dimming is applied to all outputs through an internal PWM.
 
diff --git a/drivers/leds/leds-tm1628.c b/drivers/leds/leds-tm1628.c
index ef85712a84f2..8a8fd1562853 100644
--- a/drivers/leds/leds-tm1628.c
+++ b/drivers/leds/leds-tm1628.c
@@ -3,6 +3,7 @@
  * Titan Micro Electronics TM1628 LED controller
  * Also compatible:
  * Fuda Hisi Microelectronics FD628
+ * Fude Microelectronics AiP1618
  *
  * Copyright (c) 2019 Andreas Färber
  */
@@ -411,9 +412,38 @@ static const struct tm1628_info fd628_info = {
 	.default_pwm = 0,
 };
 
+static const struct tm1628_mode aip1618_modes[4] = {
+	{
+		.grid_mask = GENMASK(4, 1),
+		.seg_mask = GENMASK(8, 1),
+	},
+	{
+		.grid_mask = GENMASK(5, 1),
+		.seg_mask = GENMASK(7, 1),
+	},
+	{
+		.grid_mask = GENMASK(6, 1),
+		.seg_mask = GENMASK(6, 1),
+	},
+	{
+		.grid_mask = GENMASK(7, 1),
+		.seg_mask = GENMASK(5, 1),
+	},
+};
+
+static const struct tm1628_info aip1618_info = {
+	.grid_mask = GENMASK(7, 1),
+	.seg_mask = GENMASK(14, 12) | GENMASK(5, 1),
+	.modes = aip1618_modes,
+	.default_mode = 3,
+	.pwm_map = tm1628_pwm_map,
+	.default_pwm = 0,
+};
+
 static const struct of_device_id tm1628_spi_of_matches[] = {
 	{ .compatible = "titanmec,tm1628", .data = &tm1628_info },
 	{ .compatible = "fdhisi,fd628", .data = &fd628_info },
+	{ .compatible = "szfdwdz,aip1618", .data = &aip1618_info },
 	{}
 };
 MODULE_DEVICE_TABLE(of, tm1628_spi_of_matches);
-- 
2.16.4