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Message-Id: <1495783223-28857-3-git-send-email-david.wu@rock-chips.com>
Date: Fri, 26 May 2017 15:20:21 +0800
From: David Wu <david.wu@...k-chips.com>
To: heiko@...ech.de, linus.walleij@...aro.org
Cc: huangtao@...k-chips.com, dianders@...omium.org,
linux-rockchip@...ts.infradead.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, David Wu <david.wu@...k-chips.com>
Subject: [PATCH v2 2/4] 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@...k-chips.com>
---
Change in v2:
- calculate the per-bank value dynamically (Heiko)
drivers/pinctrl/pinctrl-rockchip.c | 132 +++++++++++++++++++++++++++++++++++++
1 file changed, 132 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index a5d7177..605e24e 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -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 int rockchip_pinctrl_probe(struct platform_device *pdev)
.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,
};
--
1.9.1
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