From 666db9c0405102aa362c0eb6a588d5772b841220 Mon Sep 17 00:00:00 2001
From: David Wu <david.wu@rock-chips.com>
Date: Fri, 26 May 2017 15:20:23 +0800
Subject: [PATCH 09/86] pinctrl: rockchip: Add iomux-route switching support
 for rk3399

Git-commit: accc1ce7d2ffc6419a8eaf8c0190d9240df0c43f
Patch-mainline: v4.13-rc1
References: fate#323912

There are 2 IP blocks pin routes need to be switched, that are
uart2dbg, pcie_clkreq.

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>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/pinctrl/pinctrl-rockchip.c | 41 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index a0568a2cc125..e831647c56a6 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -811,6 +811,45 @@ static struct rockchip_mux_route_data rk3328_mux_route_data[] = {
 	},
 };
 
+static struct rockchip_mux_route_data rk3399_mux_route_data[] = {
+	{
+		/* uart2dbga_rx */
+		.bank_num = 4,
+		.pin = 8,
+		.func = 2,
+		.route_offset = 0xe21c,
+		.route_val = BIT(16 + 10) | BIT(16 + 11),
+	}, {
+		/* uart2dbgb_rx */
+		.bank_num = 4,
+		.pin = 16,
+		.func = 2,
+		.route_offset = 0xe21c,
+		.route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(10),
+	}, {
+		/* uart2dbgc_rx */
+		.bank_num = 4,
+		.pin = 19,
+		.func = 1,
+		.route_offset = 0xe21c,
+		.route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(11),
+	}, {
+		/* pcie_clkreqn */
+		.bank_num = 2,
+		.pin = 26,
+		.func = 2,
+		.route_offset = 0xe21c,
+		.route_val = BIT(16 + 14),
+	}, {
+		/* pcie_clkreqnb */
+		.bank_num = 4,
+		.pin = 24,
+		.func = 1,
+		.route_offset = 0xe21c,
+		.route_val = BIT(16 + 14) | BIT(14),
+	},
+};
+
 static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
 				   int mux, u32 *reg, u32 *value)
 {
@@ -3234,6 +3273,8 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
 		.pmu_mux_offset		= 0x0,
 		.grf_drv_offset		= 0xe100,
 		.pmu_drv_offset		= 0x80,
+		.iomux_routes		= rk3399_mux_route_data,
+		.niomux_routes		= ARRAY_SIZE(rk3399_mux_route_data),
 		.pull_calc_reg		= rk3399_calc_pull_reg_and_bit,
 		.drv_calc_reg		= rk3399_calc_drv_reg_and_bit,
 };
-- 
2.11.0