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pinctrl: rockchip: Add iomux-route switching support for rk3399 

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>
hifive-unleashed-5.1
David Wu 2017-05-26 15:20:23 +08:00 committed by Linus Walleij
parent cedc964a59
commit accc1ce7d2
1 changed files with 41 additions and 0 deletions
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41
drivers/pinctrl/pinctrl-rockchip.c
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@ -816,6 +816,45 @@ 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)
{
@ -3270,6 +3309,8 @@ 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,
};