From patchwork Fri Feb 28 06:40:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 869407 Received: from smtp.forwardemail.net (smtp.forwardemail.net [121.127.44.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB4BE1C7001 for ; Fri, 28 Feb 2025 06:40:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=121.127.44.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740724850; cv=none; b=aLzcnIysPQZpCMotZnNrbhxW/vHLFaMQBQfGAusGSYFZBKFO0juovlQGkEYXSQ1fOQSvrMjxVEWMi13iA56WGK25G2Xa6WpJXF4VU6EfN/sZQv0SxIM+LBvzCHvvYXVTdDH4hogRgLzZBxrbQCxMknf8RSto6b4PA6T/2x66aXo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740724850; c=relaxed/simple; bh=0bpob+67UHq+p8q1kx5ACx/3cnV/NqNROB/a9o3x/9o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Q9dj6JQG5eEelstA9C44iHPt8djEv+8gcN0flGCTU1ObmOFCBoDN31K4JUSboOUu+bY+hr1qkGQF3Yjfr+b2QSF/4Wse5W1QqSaU3tyoMYpMbTzV5VGXUPCd/b/qnPLFyKerqVXR9ficz+CgWYhj1e/EAeBUk9WZDBSAXpTnGlo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b=hBbyRbTL; arc=none smtp.client-ip=121.127.44.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b="hBbyRbTL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1740724848; bh=ReMG9IM/U1aD2slrBnAEbsViYSgz5/jCcUvBMlxCVew=; b=hBbyRbTLK+if3CIF4LAk/kPIJVqSo8JvKXfOHVbZPuUJg4J6uFJfG9f/jM93ubAZ0421JEDpS RaD41S3iEQMwDSdQ1IulNnpOT+mRzf7iAgvlaP01ftj9oEI3MLkUnf4T/0xCWGRlCZaJUcXfoMV QupE/q3G+7shIcprlDyymE6FPOkZ19C9ZeDtp9PWcl4M2I32LgVutT5Zo3IItZ1oPQY1IxWcGfT FvYQFkdARAi/+N025XsG+DAKr0jhj+SGFTH1876sxZ6d5g0LUGGh8hIzxawjFCCmFTYxCPS/KW3 2EIhk2+pSPBSA/2lJLUL1fiODtk5M3FcqJfHTrXOuZCA== X-Forward-Email-ID: 67c15a6bbcf1d1bd23db01d5 X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 121.127.44.73 X-Forward-Email-Version: 0.4.40 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Jonas Karlman To: Heiko Stuebner , Linus Walleij Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yao Zi , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas Karlman , Steven Liu Subject: [PATCH 3/7] pinctrl: rockchip: Add support for RK3528 Date: Fri, 28 Feb 2025 06:40:09 +0000 Message-ID: <20250228064024.3200000-4-jonas@kwiboo.se> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250228064024.3200000-1-jonas@kwiboo.se> References: <20250228064024.3200000-1-jonas@kwiboo.se> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Steven Liu Add gpio and pinctrl support for the 5 GPIO banks on RK3528. Signed-off-by: Steven Liu Signed-off-by: Jonas Karlman --- drivers/pinctrl/pinctrl-rockchip.c | 160 ++++++++++++++++++++++++++++- drivers/pinctrl/pinctrl-rockchip.h | 1 + 2 files changed, 160 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 15145882950f..930c454e0cec 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2003,6 +2003,115 @@ static int rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +#define RK3528_DRV_BITS_PER_PIN 8 +#define RK3528_DRV_PINS_PER_REG 2 +#define RK3528_DRV_GPIO0_OFFSET 0x100 +#define RK3528_DRV_GPIO1_OFFSET 0x20120 +#define RK3528_DRV_GPIO2_OFFSET 0x30160 +#define RK3528_DRV_GPIO3_OFFSET 0x20190 +#define RK3528_DRV_GPIO4_OFFSET 0x101C0 + +static int rk3528_calc_drv_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; + + if (bank->bank_num == 0) + *reg = RK3528_DRV_GPIO0_OFFSET; + else if (bank->bank_num == 1) + *reg = RK3528_DRV_GPIO1_OFFSET; + else if (bank->bank_num == 2) + *reg = RK3528_DRV_GPIO2_OFFSET; + else if (bank->bank_num == 3) + *reg = RK3528_DRV_GPIO3_OFFSET; + else if (bank->bank_num == 4) + *reg = RK3528_DRV_GPIO4_OFFSET; + else + dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num); + + *reg += ((pin_num / RK3528_DRV_PINS_PER_REG) * 4); + *bit = pin_num % RK3528_DRV_PINS_PER_REG; + *bit *= RK3528_DRV_BITS_PER_PIN; + + return 0; +} + +#define RK3528_PULL_BITS_PER_PIN 2 +#define RK3528_PULL_PINS_PER_REG 8 +#define RK3528_PULL_GPIO0_OFFSET 0x200 +#define RK3528_PULL_GPIO1_OFFSET 0x20210 +#define RK3528_PULL_GPIO2_OFFSET 0x30220 +#define RK3528_PULL_GPIO3_OFFSET 0x20230 +#define RK3528_PULL_GPIO4_OFFSET 0x10240 + +static int rk3528_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; + + if (bank->bank_num == 0) + *reg = RK3528_PULL_GPIO0_OFFSET; + else if (bank->bank_num == 1) + *reg = RK3528_PULL_GPIO1_OFFSET; + else if (bank->bank_num == 2) + *reg = RK3528_PULL_GPIO2_OFFSET; + else if (bank->bank_num == 3) + *reg = RK3528_PULL_GPIO3_OFFSET; + else if (bank->bank_num == 4) + *reg = RK3528_PULL_GPIO4_OFFSET; + else + dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num); + + *reg += ((pin_num / RK3528_PULL_PINS_PER_REG) * 4); + *bit = pin_num % RK3528_PULL_PINS_PER_REG; + *bit *= RK3528_PULL_BITS_PER_PIN; + + return 0; +} + +#define RK3528_SMT_BITS_PER_PIN 1 +#define RK3528_SMT_PINS_PER_REG 8 +#define RK3528_SMT_GPIO0_OFFSET 0x400 +#define RK3528_SMT_GPIO1_OFFSET 0x20410 +#define RK3528_SMT_GPIO2_OFFSET 0x30420 +#define RK3528_SMT_GPIO3_OFFSET 0x20430 +#define RK3528_SMT_GPIO4_OFFSET 0x10440 + +static int rk3528_calc_schmitt_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; + + if (bank->bank_num == 0) + *reg = RK3528_SMT_GPIO0_OFFSET; + else if (bank->bank_num == 1) + *reg = RK3528_SMT_GPIO1_OFFSET; + else if (bank->bank_num == 2) + *reg = RK3528_SMT_GPIO2_OFFSET; + else if (bank->bank_num == 3) + *reg = RK3528_SMT_GPIO3_OFFSET; + else if (bank->bank_num == 4) + *reg = RK3528_SMT_GPIO4_OFFSET; + else + dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num); + + *reg += ((pin_num / RK3528_SMT_PINS_PER_REG) * 4); + *bit = pin_num % RK3528_SMT_PINS_PER_REG; + *bit *= RK3528_SMT_BITS_PER_PIN; + + return 0; +} + #define RK3562_DRV_BITS_PER_PIN 8 #define RK3562_DRV_PINS_PER_REG 2 #define RK3562_DRV_GPIO0_OFFSET 0x20070 @@ -2640,7 +2749,8 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, rmask_bits = RK3588_DRV_BITS_PER_PIN; ret = strength; goto config; - } else if (ctrl->type == RK3562 || + } else if (ctrl->type == RK3528 || + ctrl->type == RK3562 || ctrl->type == RK3568) { rmask_bits = RK3568_DRV_BITS_PER_PIN; ret = (1 << (strength + 1)) - 1; @@ -2785,6 +2895,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) case RK3328: case RK3368: case RK3399: + case RK3528: case RK3562: case RK3568: case RK3576: @@ -2846,6 +2957,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, case RK3328: case RK3368: case RK3399: + case RK3528: case RK3562: case RK3568: case RK3576: @@ -3115,6 +3227,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, case RK3328: case RK3368: case RK3399: + case RK3528: case RK3562: case RK3568: case RK3576: @@ -4237,6 +4350,49 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = { .drv_calc_reg = rk3399_calc_drv_reg_and_bit, }; +static struct rockchip_pin_bank rk3528_pin_banks[] = { + PIN_BANK_IOMUX_FLAGS_OFFSET(0, 32, "gpio0", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0, 0, 0, 0), + PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x20020, 0x20028, 0x20030, 0x20038), + PIN_BANK_IOMUX_FLAGS_OFFSET(2, 32, "gpio2", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x30040, 0, 0, 0), + PIN_BANK_IOMUX_FLAGS_OFFSET(3, 32, "gpio3", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x20060, 0x20068, 0x20070, 0), + PIN_BANK_IOMUX_FLAGS_OFFSET(4, 32, "gpio4", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x10080, 0x10088, 0x10090, 0x10098), +}; + +static struct rockchip_pin_ctrl rk3528_pin_ctrl = { + .pin_banks = rk3528_pin_banks, + .nr_banks = ARRAY_SIZE(rk3528_pin_banks), + .label = "RK3528-GPIO", + .type = RK3528, + .pull_calc_reg = rk3528_calc_pull_reg_and_bit, + .drv_calc_reg = rk3528_calc_drv_reg_and_bit, + .schmitt_calc_reg = rk3528_calc_schmitt_reg_and_bit, +}; + static struct rockchip_pin_bank rk3562_pin_banks[] = { PIN_BANK_IOMUX_FLAGS_OFFSET(0, 32, "gpio0", IOMUX_WIDTH_4BIT, @@ -4404,6 +4560,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { .data = &rk3368_pin_ctrl }, { .compatible = "rockchip,rk3399-pinctrl", .data = &rk3399_pin_ctrl }, + { .compatible = "rockchip,rk3528-pinctrl", + .data = &rk3528_pin_ctrl }, { .compatible = "rockchip,rk3562-pinctrl", .data = &rk3562_pin_ctrl }, { .compatible = "rockchip,rk3568-pinctrl", diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index 87a20cec8e21..35cd38079d1e 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -196,6 +196,7 @@ enum rockchip_pinctrl_type { RK3328, RK3368, RK3399, + RK3528, RK3562, RK3568, RK3576,