From fc2d8382ea788bd78ac1646516459b7d3e8fb6a5 Mon Sep 17 00:00:00 2001
From: David Wu <david.wu@rock-chips.com>
Date: Wed, 23 Aug 2017 16:00:07 +0800
Subject: [PATCH] pinctrl: rockchip: Add rv1108 recalculated iomux support

The pins from GPIO1A0 to GPIO1B1 are special, need to recalculate
iomux. And the register offset is larger than the u8 range, so changed
to u32.

Change-Id: I4b759f1ae7bf959bfb1a3a7a0374ea3492b9af4c
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/pinctrl/pinctrl-rockchip.c | 68 +++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index a3bc4d754c3d..e27aa14a880e 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -358,7 +358,7 @@ struct rockchip_pin_bank {
 struct rockchip_mux_recalced_data {
 	u8 num;
 	u8 pin;
-	u8 reg;
+	u32 reg;
 	u8 bit;
 	u8 mask;
 };
@@ -620,6 +620,70 @@ static const struct pinctrl_ops rockchip_pctrl_ops = {
  * Hardware access
  */
 
+static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
+	{
+		.num = 1,
+		.pin = 0,
+		.reg = 0x418,
+		.bit = 0,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 1,
+		.reg = 0x418,
+		.bit = 2,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 2,
+		.reg = 0x418,
+		.bit = 4,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 3,
+		.reg = 0x418,
+		.bit = 6,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 4,
+		.reg = 0x418,
+		.bit = 8,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 5,
+		.reg = 0x418,
+		.bit = 10,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 6,
+		.reg = 0x418,
+		.bit = 12,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 7,
+		.reg = 0x418,
+		.bit = 14,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 8,
+		.reg = 0x41c,
+		.bit = 0,
+		.mask = 0x3
+	}, {
+		.num = 1,
+		.pin = 9,
+		.reg = 0x41c,
+		.bit = 2,
+		.mask = 0x3
+	},
+};
+
 static  struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = {
 	{
 		.num = 2,
@@ -3937,6 +4001,8 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
 	.type			= RV1108,
 	.grf_mux_offset		= 0x10,
 	.pmu_mux_offset		= 0x0,
+	.iomux_recalced		= rv1108_mux_recalced_data,
+	.niomux_recalced	= ARRAY_SIZE(rv1108_mux_recalced_data),
 	.pull_calc_reg		= rv1108_calc_pull_reg_and_bit,
 	.drv_calc_reg		= rv1108_calc_drv_reg_and_bit,
 	.schmitt_calc_reg	= rv1108_calc_schmitt_reg_and_bit,