clk: vc5: Add support for IDT VersaClock 5P49V6901

Update IDT VersaClock 5 driver to support IDT VersaClock 6 5P49V6901.
This chip has two clock inputs (external XTAL or external CLKIN), four
fractional dividers (FODs) and five clock outputs (four universal clock
outputs and one reference clock output at OUT0_SELB_I2C).

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Alexey Firago <alexey_firago@mentor.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-renesas-soc@vger.kernel.org
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
on Salvator-XS with the display LVDS output.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 68ca2d9fcd73b3277fec4309996fbd5373b58bbd..a874b72612d09f43b73c92858e5f7fa61a87f696 100644 (file)
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -210,14 +210,14 @@ config COMMON_CLK_OXNAS
          Support for the OXNAS SoC Family clocks.
 
 config COMMON_CLK_VC5
-       tristate "Clock driver for IDT VersaClock5 devices"
+       tristate "Clock driver for IDT VersaClock 5,6 devices"
        depends on I2C
        depends on OF
        select REGMAP_I2C
        help
        ---help---
-         This driver supports the IDT VersaClock5 programmable clock
-         generator.
+         This driver supports the IDT VersaClock 5 and VersaClock 6
+         programmable clock generators.
 
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/hisilicon/Kconfig"

diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c
index 2bdd456f89e4c885af79ac65b4654e8c9d06d022..e4c36dfdc85145fd3530c65fdc07d9df6920a1aa 100644 (file)
--- a/drivers/clk/clk-versaclock5.c
+++ b/drivers/clk/clk-versaclock5.c
@@ -131,6 +131,7 @@ enum vc5_model {
        IDT_VC5_5P49V5923,
        IDT_VC5_5P49V5933,
        IDT_VC5_5P49V5935,
+       IDT_VC6_5P49V6901,
 };
 
 /* Structure to describe features of a particular VC5 model */
@@ -686,6 +687,7 @@ static int vc5_map_index_to_output(const enum vc5_model model,
                return (n == 0) ? 0 : 3;
        case IDT_VC5_5P49V5923:
        case IDT_VC5_5P49V5935:
+       case IDT_VC6_5P49V6901:
        default:
                return n;
        }
@@ -923,10 +925,18 @@ static const struct vc5_chip_info idt_5p49v5935_info = {
        .flags = VC5_HAS_INTERNAL_XTAL,
 };
 
+static const struct vc5_chip_info idt_5p49v6901_info = {
+       .model = IDT_VC6_5P49V6901,
+       .clk_fod_cnt = 4,
+       .clk_out_cnt = 5,
+       .flags = VC5_HAS_PFD_FREQ_DBL,
+};
+
 static const struct i2c_device_id vc5_id[] = {
        { "5p49v5923", .driver_data = IDT_VC5_5P49V5923 },
        { "5p49v5933", .driver_data = IDT_VC5_5P49V5933 },
        { "5p49v5935", .driver_data = IDT_VC5_5P49V5935 },
+       { "5p49v6901", .driver_data = IDT_VC6_5P49V6901 },
        { }
 };
 MODULE_DEVICE_TABLE(i2c, vc5_id);
@@ -935,6 +945,7 @@ static const struct of_device_id clk_vc5_of_match[] = {
        { .compatible = "idt,5p49v5923", .data = &idt_5p49v5923_info },
        { .compatible = "idt,5p49v5933", .data = &idt_5p49v5933_info },
        { .compatible = "idt,5p49v5935", .data = &idt_5p49v5935_info },
+       { .compatible = "idt,5p49v6901", .data = &idt_5p49v6901_info },
        { },
 };
 MODULE_DEVICE_TABLE(of, clk_vc5_of_match);