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pinctrl: rockchip: Add iomux-route switching support for rk3228 

There are 9 IP blocks pin routes need to be switched, that are
pwm-0, pwm-1, pwm-2, pwm-3, sdio, spi, emmc, uart2, uart1.

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 15:20:21 +08:00 committed by Linus Walleij
parent bd35b9bf82
commit d4970ee076
1 changed files with 132 additions and 0 deletions
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132
drivers/pinctrl/pinctrl-rockchip.c
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@ -605,6 +605,136 @@ static void rk3328_recalc_mux(u8 bank_num, int pin, int *reg,
*bit = data->bit;
}
static struct rockchip_mux_route_data rk3228_mux_route_data[] = {
{
/* pwm0-0 */
.bank_num = 0,
.pin = 26,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16),
}, {
/* pwm0-1 */
.bank_num = 3,
.pin = 21,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16) | BIT(0),
}, {
/* pwm1-0 */
.bank_num = 0,
.pin = 27,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 1),
}, {
/* pwm1-1 */
.bank_num = 0,
.pin = 30,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 1) | BIT(1),
}, {
/* pwm2-0 */
.bank_num = 0,
.pin = 28,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 2),
}, {
/* pwm2-1 */
.bank_num = 1,
.pin = 12,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 2) | BIT(2),
}, {
/* pwm3-0 */
.bank_num = 3,
.pin = 26,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 3),
}, {
/* pwm3-1 */
.bank_num = 1,
.pin = 11,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 3) | BIT(3),
}, {
/* sdio-0_d0 */
.bank_num = 1,
.pin = 1,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 4),
}, {
/* sdio-1_d0 */
.bank_num = 3,
.pin = 2,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 4) | BIT(4),
}, {
/* spi-0_rx */
.bank_num = 0,
.pin = 13,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 5),
}, {
/* spi-1_rx */
.bank_num = 2,
.pin = 0,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 5) | BIT(5),
}, {
/* emmc-0_cmd */
.bank_num = 1,
.pin = 22,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 7),
}, {
/* emmc-1_cmd */
.bank_num = 2,
.pin = 4,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 7) | BIT(7),
}, {
/* uart2-0_rx */
.bank_num = 1,
.pin = 19,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 8),
}, {
/* uart2-1_rx */
.bank_num = 1,
.pin = 10,
.func = 2,
.route_offset = 0x50,
.route_val = BIT(16 + 8) | BIT(8),
}, {
/* uart1-0_rx */
.bank_num = 1,
.pin = 10,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 11),
}, {
/* uart1-1_rx */
.bank_num = 3,
.pin = 13,
.func = 1,
.route_offset = 0x50,
.route_val = BIT(16 + 11) | BIT(11),
},
};
static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
int mux, u32 *reg, u32 *value)
{
@ -2898,6 +3028,8 @@ static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
.label = "RK3228-GPIO",
.type = RK3288,
.grf_mux_offset = 0x0,
.iomux_routes = rk3228_mux_route_data,
.niomux_routes = ARRAY_SIZE(rk3228_mux_route_data),
.pull_calc_reg = rk3228_calc_pull_reg_and_bit,
.drv_calc_reg = rk3228_calc_drv_reg_and_bit,
};