From patchwork Fri Oct 25 11:49:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qianggui Song X-Patchwork-Id: 1184075 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=amlogic.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4702Tr1HDLz9sPK for ; Fri, 25 Oct 2019 22:49:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394530AbfJYLtj (ORCPT ); Fri, 25 Oct 2019 07:49:39 -0400 Received: from mail-sz.amlogic.com ([211.162.65.117]:17053 "EHLO mail-sz.amlogic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730867AbfJYLtj (ORCPT ); Fri, 25 Oct 2019 07:49:39 -0400 Received: from localhost.localdomain (10.28.8.19) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server id 15.1.1591.10; Fri, 25 Oct 2019 19:49:48 +0800 From: Qianggui Song To: Linus Walleij , CC: Qianggui Song , Neil Armstrong , Jerome Brunet , Kevin Hilman , Martin Blumenstingl , Carlo Caione , Rob Herring , Xingyu Chen , Jianxin Pan , Hanjie Lin , Mark Rutland , , , Subject: [PATCH v4 2/4] pinctrl: meson: add a new callback for SoCs fixup Date: Fri, 25 Oct 2019 19:49:25 +0800 Message-ID: <1572004167-24150-3-git-send-email-qianggui.song@amlogic.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1572004167-24150-1-git-send-email-qianggui.song@amlogic.com> References: <1572004167-24150-1-git-send-email-qianggui.song@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.28.8.19] Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org In meson_pinctrl_parse_dt, it contains two parts: reg parsing and SoC relative fixup for AO. Several fixups in the same code make it hard to maintain, so move all fixups to each SoC's callback and make meson_pinctrl_parse_dt just do the reg parsing, separate these two parts.Overview of all current Meson SoCs fixup is as below: +------+--------------------------------------+--------------------------+ | | | | | SoC | EE domain | AO domain | +------+--------------------------------------+--------------------------+ |m8 | parse regs: | parse regs: | |m8b | gpio,mux,pull,pull-enable(skip ds) | gpio,mux,pull(skip ds)| |gxl | fixup: | fixup: | |gxbb | no | pull-enable = pull | |axg | | | +------+--------------------------------------+--------------------------+ |g12a | parse regs: | parse regs: | |sm1 | gpio,mux,pull,pull-enable,ds | gpio,mux,ds | | | fixup: | fixup: | | | no | pull = gpio | | | | pull-enable = gpio | +------+--------------------------------------+--------------------------+ |a1 or | parse regs: | |later | gpio/mux (without ao domain) | |SoCs | fixup: | | | pull=gpio; pull-enable=gpio; ds=gpio | +------+-----------------------------------------------------------------+ Signed-off-by: Qianggui Song --- drivers/pinctrl/meson/pinctrl-meson-axg.c | 11 +++++++++++ drivers/pinctrl/meson/pinctrl-meson-g12a.c | 9 +++++++++ drivers/pinctrl/meson/pinctrl-meson-gxbb.c | 11 +++++++++++ drivers/pinctrl/meson/pinctrl-meson-gxl.c | 11 +++++++++++ drivers/pinctrl/meson/pinctrl-meson.c | 9 +++++---- drivers/pinctrl/meson/pinctrl-meson.h | 3 +++ drivers/pinctrl/meson/pinctrl-meson8.c | 11 +++++++++++ drivers/pinctrl/meson/pinctrl-meson8b.c | 11 +++++++++++ 8 files changed, 72 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c index ad502eda4afa..9c07f4423c37 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-axg.c +++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c @@ -1040,6 +1040,16 @@ .num_pmx_banks = ARRAY_SIZE(meson_axg_aobus_pmx_banks), }; +static int meson_axg_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + static struct meson_pinctrl_data meson_axg_periphs_pinctrl_data = { .name = "periphs-banks", .pins = meson_axg_periphs_pins, @@ -1066,6 +1076,7 @@ .num_banks = ARRAY_SIZE(meson_axg_aobus_banks), .pmx_ops = &meson_axg_pmx_ops, .pmx_data = &meson_axg_aobus_pmx_banks_data, + .parse_dt = meson_axg_aobus_parse_dt_extra, }; static const struct of_device_id meson_axg_pinctrl_dt_match[] = { diff --git a/drivers/pinctrl/meson/pinctrl-meson-g12a.c b/drivers/pinctrl/meson/pinctrl-meson-g12a.c index 582665fd362a..41850e3c0091 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-g12a.c +++ b/drivers/pinctrl/meson/pinctrl-meson-g12a.c @@ -1362,6 +1362,14 @@ .num_pmx_banks = ARRAY_SIZE(meson_g12a_aobus_pmx_banks), }; +static int meson_g12a_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + pc->reg_pull = pc->reg_gpio; + pc->reg_pullen = pc->reg_gpio; + + return 0; +} + static struct meson_pinctrl_data meson_g12a_periphs_pinctrl_data = { .name = "periphs-banks", .pins = meson_g12a_periphs_pins, @@ -1388,6 +1396,7 @@ .num_banks = ARRAY_SIZE(meson_g12a_aobus_banks), .pmx_ops = &meson_axg_pmx_ops, .pmx_data = &meson_g12a_aobus_pmx_banks_data, + .parse_dt = meson_g12a_aobus_parse_dt_extra, }; static const struct of_device_id meson_g12a_pinctrl_dt_match[] = { diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c index 5bfa56f3847e..f5494a948200 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c +++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c @@ -827,6 +827,16 @@ BANK("AO", GPIOAO_0, GPIOAO_13, 0, 13, 0, 16, 0, 0, 0, 0, 0, 16, 1, 0), }; +static int meson_gxbb_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + static struct meson_pinctrl_data meson_gxbb_periphs_pinctrl_data = { .name = "periphs-banks", .pins = meson_gxbb_periphs_pins, @@ -851,6 +861,7 @@ .num_funcs = ARRAY_SIZE(meson_gxbb_aobus_functions), .num_banks = ARRAY_SIZE(meson_gxbb_aobus_banks), .pmx_ops = &meson8_pmx_ops, + .parse_dt = meson_gxbb_aobus_parse_dt_extra, }; static const struct of_device_id meson_gxbb_pinctrl_dt_match[] = { diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxl.c b/drivers/pinctrl/meson/pinctrl-meson-gxl.c index 72c5373c8dc1..943fb27dab08 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-gxl.c +++ b/drivers/pinctrl/meson/pinctrl-meson-gxl.c @@ -796,6 +796,16 @@ BANK("AO", GPIOAO_0, GPIOAO_9, 0, 9, 0, 16, 0, 0, 0, 0, 0, 16, 1, 0), }; +static int meson_gxl_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + static struct meson_pinctrl_data meson_gxl_periphs_pinctrl_data = { .name = "periphs-banks", .pins = meson_gxl_periphs_pins, @@ -820,6 +830,7 @@ .num_funcs = ARRAY_SIZE(meson_gxl_aobus_functions), .num_banks = ARRAY_SIZE(meson_gxl_aobus_banks), .pmx_ops = &meson8_pmx_ops, + .parse_dt = meson_gxl_aobus_parse_dt_extra, }; static const struct of_device_id meson_gxl_pinctrl_dt_match[] = { diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index 8bba9d053d9f..e182583422a4 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -677,14 +677,12 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, } pc->reg_pull = meson_map_resource(pc, gpio_np, "pull"); - /* Use gpio region if pull one is not present */ if (IS_ERR(pc->reg_pull)) - pc->reg_pull = pc->reg_gpio; + pc->reg_pull = NULL; pc->reg_pullen = meson_map_resource(pc, gpio_np, "pull-enable"); - /* Use pull region if pull-enable one is not present */ if (IS_ERR(pc->reg_pullen)) - pc->reg_pullen = pc->reg_pull; + pc->reg_pullen = NULL; pc->reg_ds = meson_map_resource(pc, gpio_np, "ds"); if (IS_ERR(pc->reg_ds)) { @@ -692,6 +690,9 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, pc->reg_ds = NULL; } + if (pc->data->parse_dt) + return pc->data->parse_dt(pc); + return 0; } diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h index c696f3241a36..d570f7c53045 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.h +++ b/drivers/pinctrl/meson/pinctrl-meson.h @@ -11,6 +11,8 @@ #include #include +struct meson_pinctrl; + /** * struct meson_pmx_group - a pinmux group * @@ -114,6 +116,7 @@ struct meson_pinctrl_data { unsigned int num_banks; const struct pinmux_ops *pmx_ops; void *pmx_data; + int (*parse_dt)(struct meson_pinctrl *pc); }; struct meson_pinctrl { diff --git a/drivers/pinctrl/meson/pinctrl-meson8.c b/drivers/pinctrl/meson/pinctrl-meson8.c index 0b97befa6335..65c70c9b7070 100644 --- a/drivers/pinctrl/meson/pinctrl-meson8.c +++ b/drivers/pinctrl/meson/pinctrl-meson8.c @@ -1079,6 +1079,16 @@ BANK("AO", GPIOAO_0, GPIO_TEST_N, 0, 13, 0, 16, 0, 0, 0, 0, 0, 16, 1, 0), }; +static int meson8_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + static struct meson_pinctrl_data meson8_cbus_pinctrl_data = { .name = "cbus-banks", .pins = meson8_cbus_pins, @@ -1103,6 +1113,7 @@ .num_funcs = ARRAY_SIZE(meson8_aobus_functions), .num_banks = ARRAY_SIZE(meson8_aobus_banks), .pmx_ops = &meson8_pmx_ops, + .parse_dt = &meson8_aobus_parse_dt_extra, }; static const struct of_device_id meson8_pinctrl_dt_match[] = { diff --git a/drivers/pinctrl/meson/pinctrl-meson8b.c b/drivers/pinctrl/meson/pinctrl-meson8b.c index a7de388388e6..85dc12e0c839 100644 --- a/drivers/pinctrl/meson/pinctrl-meson8b.c +++ b/drivers/pinctrl/meson/pinctrl-meson8b.c @@ -938,6 +938,16 @@ BANK("AO", GPIOAO_0, GPIO_TEST_N, 0, 13, 0, 16, 0, 0, 0, 0, 0, 16, 1, 0), }; +static int meson8b_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + static struct meson_pinctrl_data meson8b_cbus_pinctrl_data = { .name = "cbus-banks", .pins = meson8b_cbus_pins, @@ -962,6 +972,7 @@ .num_funcs = ARRAY_SIZE(meson8b_aobus_functions), .num_banks = ARRAY_SIZE(meson8b_aobus_banks), .pmx_ops = &meson8_pmx_ops, + .parse_dt = &meson8b_aobus_parse_dt_extra, }; static const struct of_device_id meson8b_pinctrl_dt_match[] = {