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