From: Nikita Kiryanov <nikita@compulab.co.il>
Date: Wed, 20 Aug 2014 12:08:54 +0000 (+0300)
Subject: i2c: imx: add macros to setup pads for multiple SoC types
X-Git-Tag: v2025.01-rc5-pxa1908~14663^2^2~31
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/kyber.dk/phpMyBuilder/static/%7B%7B%20%28.OutputFormats.Get?a=commitdiff_plain;h=c6c2492ad881988a9e67aabb220b8cac91d41473;p=u-boot.git

i2c: imx: add macros to setup pads for multiple SoC types

Add macro which defines i2c_pads_info structs for multiple SoC types,
and a macro which selects the appropriate struct based on CPU type,
thus eliminating the need to manage multiple i2c pad configurations
manually when supporting multiple SoC types.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
---

diff --git a/arch/arm/include/asm/imx-common/mxc_i2c.h b/arch/arm/include/asm/imx-common/mxc_i2c.h
index 47a9edc81b..182c2f397f 100644
--- a/arch/arm/include/asm/imx-common/mxc_i2c.h
+++ b/arch/arm/include/asm/imx-common/mxc_i2c.h
@@ -19,6 +19,39 @@ struct i2c_pads_info {
 	struct i2c_pin_ctrl sda;
 };
 
+#if defined(CONFIG_MX6QDL)
+#define I2C_PADS(name, scl_i2c, scl_gpio, scl_gp, sda_i2c, sda_gpio, sda_gp) \
+	struct i2c_pads_info mx6q_##name = {		\
+		.scl = {				\
+			.i2c_mode = MX6Q_##scl_i2c,	\
+			.gpio_mode = MX6Q_##scl_gpio,	\
+			.gp = scl_gp,			\
+		},					\
+		.sda = {				\
+			.i2c_mode = MX6Q_##sda_i2c,	\
+			.gpio_mode = MX6Q_##sda_gpio,	\
+			.gp = sda_gp,			\
+		}					\
+	};						\
+	struct i2c_pads_info mx6s_##name = {		\
+		.scl = {				\
+			.i2c_mode = MX6DL_##scl_i2c,	\
+			.gpio_mode = MX6DL_##scl_gpio,	\
+			.gp = scl_gp,			\
+		},					\
+		.sda = {				\
+			.i2c_mode = MX6DL_##sda_i2c,	\
+			.gpio_mode = MX6DL_##sda_gpio,	\
+			.gp = sda_gp,			\
+		}					\
+	};
+
+
+#define I2C_PADS_INFO(name)	\
+	(is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) ? \
+					&mx6q_##name : &mx6s_##name
+#endif
+
 void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
 		struct i2c_pads_info *p);
 void bus_i2c_init(void *base, int speed, int slave_addr,