linux-kernel - [PATCH 05/14] clk: sunxi: Add APB1 clock for A83T

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Message-Id: <1454203266-4450-6-git-send-email-vishnupatekar0510@gmail.com>
Date:	Sun, 31 Jan 2016 09:20:57 +0800
From:	Vishnu Patekar <vishnupatekar0510@...il.com>
To:	robh+dt@...nel.org, corbet@....net, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, maxime.ripard@...e-electrons.com,
	linux@....linux.org.uk, emilio@...pez.com.ar
Cc:	jenskuske@...il.com, hdegoede@...hat.com, wens@...e.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
	linux-gpio@...r.kernel.org, linus.walleij@...aro.org,
	mturquette@...libre.com, sboyd@...eaurora.org,
	patchesrdh@...as.com, linux-clk@...r.kernel.org
Subject: [PATCH 05/14] clk: sunxi: Add APB1 clock for A83T

APB1 is similar to sun4i-a10-apb0-clk, except different dividers.

This adds support for apb1 on A83T.

Signed-off-by: Vishnu Patekar <vishnupatekar0510@...il.com>
---
 Documentation/devicetree/bindings/clock/sunxi.txt |  1 +
 drivers/clk/sunxi/clk-sunxi.c                     | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index bfd82f1..10637e7 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -49,6 +49,7 @@ Required properties:
 	"allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23
 	"allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80
 	"allwinner,sun4i-a10-apb1-clk" - for the APB1 clock
+	"allwinner,sun8i-a83t-apb1-clk" - for the APB1 clock on A83T
 	"allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80
 	"allwinner,sun4i-a10-apb1-gates-clk" - for the APB1 gates on A10
 	"allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 02bbdf6..6510b0e 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -772,6 +772,22 @@ static const struct div_data sun4i_apb0_data __initconst = {
 	.table	= sun4i_apb0_table,
 };
 
+
+static const struct clk_div_table sun8i_a83t_apb1_table[] __initconst = {
+	{ .val = 0, .div = 1 },
+	{ .val = 1, .div = 2 },
+	{ .val = 2, .div = 3 },
+	{ .val = 3, .div = 4 },
+	{ } /* sentinel */
+};
+
+static const struct div_data sun8i_a83t_apb1_data __initconst = {
+	.shift	= 8,
+	.pow	= 0,
+	.width	= 2,
+	.table	= sun8i_a83t_apb1_table,
+};
+
 static void __init sunxi_divider_clk_setup(struct device_node *node,
 					   struct div_data *data)
 {
@@ -1027,6 +1043,7 @@ static const struct of_device_id clk_div_match[] __initconst = {
 	{.compatible = "allwinner,sun8i-a23-axi-clk", .data = &sun8i_a23_axi_data,},
 	{.compatible = "allwinner,sun4i-a10-ahb-clk", .data = &sun4i_ahb_data,},
 	{.compatible = "allwinner,sun4i-a10-apb0-clk", .data = &sun4i_apb0_data,},
+	{.compatible = "allwinner,sun8i-a83t-apb1-clk", .data = &sun8i_a83t_apb1_data,},
 	{}
 };
 
-- 
1.9.1