Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752177AbdGUGXZ (ORCPT ); Fri, 21 Jul 2017 02:23:25 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:50099 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751698AbdGUGXW (ORCPT ); Fri, 21 Jul 2017 02:23:22 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: david.wu@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: david.wu@rock-chips.com X-UNIQUE-TAG: <528caeb7438925070c3b7f9aadf07246> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: David Wu To: heiko@sntech.de, linus.walleij@linaro.org Cc: huangtao@rock-chips.com, dianders@chromium.org, linux-rockchip@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, David Wu Subject: [PATCH 2/2] pinctrl: rockchip: Add rk3128 pinctrl support Date: Fri, 21 Jul 2017 14:27:15 +0800 Message-Id: <1500618435-15092-3-git-send-email-david.wu@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500618435-15092-1-git-send-email-david.wu@rock-chips.com> References: <1500618435-15092-1-git-send-email-david.wu@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6122 Lines: 221 There are 3 IP blocks pin routes need to be switched, that are emmc-cmd, spi, i2s. And there are some pins need to be recalced, which are gpio2c4~gpio2c7 and gpio2d0. Signed-off-by: David Wu --- .../bindings/pinctrl/rockchip,pinctrl.txt | 1 + drivers/pinctrl/pinctrl-rockchip.c | 129 +++++++++++++++++++++ 2 files changed, 130 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt index ee01ab5..58b7921 100644 --- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt @@ -24,6 +24,7 @@ Required properties for iomux controller: "rockchip,rk2928-pinctrl": for Rockchip RK2928 "rockchip,rk3066a-pinctrl": for Rockchip RK3066a "rockchip,rk3066b-pinctrl": for Rockchip RK3066b + "rockchip,rk3128-pinctrl": for Rockchip RK3128 "rockchip,rk3188-pinctrl": for Rockchip RK3188 "rockchip,rk3228-pinctrl": for Rockchip RK3228 "rockchip,rk3288-pinctrl": for Rockchip RK3288 diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index fd4e491..7ba0c40 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -62,6 +62,7 @@ enum rockchip_pinctrl_type { RV1108, RK2928, RK3066B, + RK3128, RK3188, RK3288, RK3368, @@ -557,6 +558,40 @@ static void rockchip_dt_free_map(struct pinctrl_dev *pctldev, * Hardware access */ +static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { + { + .num = 2, + .pin = 20, + .reg = 0xe8, + .bit = 0, + .mask = 0x7 + }, { + .num = 2, + .pin = 21, + .reg = 0xe8, + .bit = 4, + .mask = 0x7 + }, { + .num = 2, + .pin = 22, + .reg = 0xe8, + .bit = 8, + .mask = 0x7 + }, { + .num = 2, + .pin = 23, + .reg = 0xe8, + .bit = 12, + .mask = 0x7 + }, { + .num = 2, + .pin = 24, + .reg = 0xd4, + .bit = 12, + .mask = 0x7 + }, +}; + static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = { { .num = 2, @@ -602,6 +637,59 @@ static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, *bit = data->bit; } +static struct rockchip_mux_route_data rk3128_mux_route_data[] = { + { + /* spi-0 */ + .bank_num = 1, + .pin = 10, + .func = 1, + .route_offset = 0x144, + .route_val = BIT(16 + 3) | BIT(16 + 4), + }, { + /* spi-1 */ + .bank_num = 1, + .pin = 27, + .func = 3, + .route_offset = 0x144, + .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(3), + }, { + /* spi-2 */ + .bank_num = 0, + .pin = 13, + .func = 2, + .route_offset = 0x144, + .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(4), + }, { + /* i2s-0 */ + .bank_num = 1, + .pin = 5, + .func = 1, + .route_offset = 0x144, + .route_val = BIT(16 + 5), + }, { + /* i2s-1 */ + .bank_num = 0, + .pin = 14, + .func = 1, + .route_offset = 0x144, + .route_val = BIT(16 + 5) | BIT(5), + }, { + /* emmc-0 */ + .bank_num = 1, + .pin = 22, + .func = 2, + .route_offset = 0x144, + .route_val = BIT(16 + 6), + }, { + /* emmc-1 */ + .bank_num = 2, + .pin = 4, + .func = 2, + .route_offset = 0x144, + .route_val = BIT(16 + 6) | BIT(6), + }, +}; + static struct rockchip_mux_route_data rk3228_mux_route_data[] = { { /* pwm0-0 */ @@ -1102,6 +1190,22 @@ static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit = pin_num % RK2928_PULL_PINS_PER_REG; }; +#define RK3128_PULL_OFFSET 0x118 + +static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + *regmap = info->regmap_base; + *reg = RK3128_PULL_OFFSET; + *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE; + *reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4); + + *bit = pin_num % RK2928_PULL_PINS_PER_REG; +} + #define RK3188_PULL_OFFSET 0x164 #define RK3188_PULL_BITS_PER_PIN 2 #define RK3188_PULL_PINS_PER_REG 8 @@ -1571,6 +1675,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) switch (ctrl->type) { case RK2928: + case RK3128: return !(data & BIT(bit)) ? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT : PIN_CONFIG_BIAS_DISABLE; @@ -1611,6 +1716,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, switch (ctrl->type) { case RK2928: + case RK3128: data = BIT(bit + 16); if (pull == PIN_CONFIG_BIAS_DISABLE) data |= BIT(bit); @@ -1865,6 +1971,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, { switch (ctrl->type) { case RK2928: + case RK3128: return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT || pull == PIN_CONFIG_BIAS_DISABLE); case RK3066B: @@ -3093,6 +3200,26 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) .grf_mux_offset = 0x60, }; +static struct rockchip_pin_bank rk3128_pin_banks[] = { + PIN_BANK(0, 32, "gpio0"), + PIN_BANK(1, 32, "gpio1"), + PIN_BANK(2, 32, "gpio2"), + PIN_BANK(3, 32, "gpio3"), +}; + +static struct rockchip_pin_ctrl rk3128_pin_ctrl = { + .pin_banks = rk3128_pin_banks, + .nr_banks = ARRAY_SIZE(rk3128_pin_banks), + .label = "RK3128-GPIO", + .type = RK3128, + .grf_mux_offset = 0xa8, + .iomux_recalced = rk3128_mux_recalced_data, + .niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data), + .iomux_routes = rk3128_mux_route_data, + .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data), + .pull_calc_reg = rk3128_calc_pull_reg_and_bit, +}; + static struct rockchip_pin_bank rk3188_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0), PIN_BANK(1, 32, "gpio1"), @@ -3301,6 +3428,8 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) .data = &rk3066a_pin_ctrl }, { .compatible = "rockchip,rk3066b-pinctrl", .data = &rk3066b_pin_ctrl }, + { .compatible = "rockchip,rk3128-pinctrl", + .data = (void *)&rk3128_pin_ctrl }, { .compatible = "rockchip,rk3188-pinctrl", .data = &rk3188_pin_ctrl }, { .compatible = "rockchip,rk3228-pinctrl", -- 1.9.1