{"id":2227850,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2227850/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260424111330.702272-17-changhuang.liang@starfivetech.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/1.1/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260424111330.702272-17-changhuang.liang@starfivetech.com>","date":"2026-04-24T11:13:26","name":"[v1,16/20] pinctrl: starfive: Add StarFive JHB100 per2pok controller driver","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"0ef13609d87c50bc971f928f984ade7bb721071d","submitter":{"id":85771,"url":"http://patchwork.ozlabs.org/api/1.1/people/85771/?format=json","name":"Changhuang Liang","email":"changhuang.liang@starfivetech.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260424111330.702272-17-changhuang.liang@starfivetech.com/mbox/","series":[{"id":501347,"url":"http://patchwork.ozlabs.org/api/1.1/series/501347/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=501347","date":"2026-04-24T11:13:16","name":"Add basic pinctrl drivers for JHB100 SoC","version":1,"mbox":"http://patchwork.ozlabs.org/series/501347/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227850/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227850/checks/","tags":{},"headers":{"Return-Path":"\n <linux-gpio+bounces-35483-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF 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<kernel@esmil.dk>,\n\tPaul Walmsley <pjw@kernel.org>,\n\tAlbert Ou <aou@eecs.berkeley.edu>,\n\tPalmer Dabbelt <palmer@dabbelt.com>,\n\tAlexandre Ghiti <alex@ghiti.fr>,\n\tPhilipp Zabel <p.zabel@pengutronix.de>,\n\tBartosz Golaszewski <brgl@kernel.org>","Cc":"linux-gpio@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-riscv@lists.infradead.org,\n\tLianfeng Ouyang <lianfeng.ouyang@starfivetech.com>,\n\tChanghuang Liang <changhuang.liang@starfivetech.com>","Subject":"[PATCH v1 16/20] pinctrl: starfive: Add StarFive JHB100 per2pok\n controller driver","Date":"Fri, 24 Apr 2026 04:13:26 -0700","Message-Id":"<20260424111330.702272-17-changhuang.liang@starfivetech.com>","X-Mailer":"git-send-email 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9a3548dd-999a-4a64-73c9-08dea1f295af","X-MS-Exchange-CrossTenant-AuthSource":"\n ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"24 Apr 2026 11:13:59.9707\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"06fe3fa3-1221-43d3-861b-5a4ee687a85c","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n cV79yW8AvtH/dkATeW1C2Rlhh6/bSHsNDJuLXVg4gU5szTbkHkMr6WauC9T0AKvcfYCnYeLjxPGvA8LXM97Q+Uy8uSjoCeR0c/LgesFJdZ5ia+zrgEJBEo3uGpkypWQu","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"ZQ4PR01MB1156"},"content":"Add pinctrl driver for StarFive JHB100 SoC Peripheral-2 Power OK\n(per2pok) pinctrl controller.\n\nSigned-off-by: Lianfeng Ouyang <lianfeng.ouyang@starfivetech.com>\nSigned-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>\n---\n drivers/pinctrl/starfive/Kconfig              | 12 +++\n drivers/pinctrl/starfive/Makefile             |  1 +\n .../pinctrl-starfive-jhb100-per2pok.c         | 80 +++++++++++++++++++\n 3 files changed, 93 insertions(+)\n create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2pok.c","diff":"diff --git a/drivers/pinctrl/starfive/Kconfig b/drivers/pinctrl/starfive/Kconfig\nindex 765379bf3d52..ed29f87e9d7a 100644\n--- a/drivers/pinctrl/starfive/Kconfig\n+++ b/drivers/pinctrl/starfive/Kconfig\n@@ -95,6 +95,18 @@ config PINCTRL_STARFIVE_JHB100_PER2\n \t  peripherals supporting inputs, outputs, configuring pull-up/pull-down\n \t  and interrupts on input changes.\n \n+config PINCTRL_STARFIVE_JHB100_PER2POK\n+\ttristate \"StarFive JHB100 SoC Peripheral-2 Power OK pinctrl and GPIO driver\"\n+\tdepends on ARCH_STARFIVE || COMPILE_TEST\n+\tdepends on OF\n+\tselect PINCTRL_STARFIVE_JHB100\n+\tdefault ARCH_STARFIVE\n+\thelp\n+\t  Say yes here to support Peripheral-2 Power OK pin control on the StarFive JHB100 SoC.\n+\t  This also provides an interface to the GPIO pins not used by other\n+\t  peripherals supporting inputs, outputs, configuring pull-up/pull-down\n+\t  and interrupts on input changes.\n+\n config PINCTRL_STARFIVE_JHB100_SYS0\n \ttristate \"StarFive JHB100 SoC System-0 pinctrl and GPIO driver\"\n \tdepends on ARCH_STARFIVE || COMPILE_TEST\ndiff --git a/drivers/pinctrl/starfive/Makefile b/drivers/pinctrl/starfive/Makefile\nindex 33213bd1919f..213002da9cdd 100644\n--- a/drivers/pinctrl/starfive/Makefile\n+++ b/drivers/pinctrl/starfive/Makefile\n@@ -10,6 +10,7 @@ obj-$(CONFIG_PINCTRL_STARFIVE_JHB100)\t\t+= pinctrl-starfive-jhb100.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_PER0)\t+= pinctrl-starfive-jhb100-per0.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_PER1)\t+= pinctrl-starfive-jhb100-per1.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_PER2)\t+= pinctrl-starfive-jhb100-per2.o\n+obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_PER2POK)\t+= pinctrl-starfive-jhb100-per2pok.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_SYS0)\t+= pinctrl-starfive-jhb100-sys0.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_SYS0H)\t+= pinctrl-starfive-jhb100-sys0h.o\n obj-$(CONFIG_PINCTRL_STARFIVE_JHB100_SYS1)\t+= pinctrl-starfive-jhb100-sys1.o\ndiff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2pok.c b/drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2pok.c\nnew file mode 100644\nindex 000000000000..31ff047e63a4\n--- /dev/null\n+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2pok.c\n@@ -0,0 +1,80 @@\n+// SPDX-License-Identifier: GPL-2.0-or-later\n+/*\n+ * Pinctrl / GPIO driver for StarFive JHB100 SoC Peripheral-2 Power OK domain\n+ *\n+ * Copyright (C) 2024 StarFive Technology Co., Ltd.\n+ * Author: Alex Soo <yuklin.soo@starfivetech.com>\n+ *\n+ */\n+\n+#include <linux/mod_devicetable.h>\n+#include <linux/platform_device.h>\n+\n+#include \"pinctrl-starfive-jhb100.h\"\n+\n+static const struct jhb100_pin_layout_desc jhb100_per2pok_pl_desc[] = {\n+\t{ .pin_start = 0, .pin_cnt = 10, .name = \"gpio\", .gpio_func_sel = 0 },\n+\t{ .pin_start = 10, .pin_cnt = 8, .name = \"pwm_channel\", .gpio_func_sel = 1 },\n+\t{ 0xff },\n+};\n+\n+static struct config_reg_layout_desc jhb100_per2pok_pinctrl_rl_desc[] = {\n+\t{\n+\t\t.pin_start\t\t\t= 0,\n+\t\t.pin_cnt\t\t\t= 18,\n+\t\t.drive_strength_2bit\t\t= { .shift = 0, .width = 2 },\n+\t\t.input_enable\t\t\t= { .shift = 2, .width = 1 },\n+\t\t.pull_down\t\t\t= { .shift = 3, .width = 1 },\n+\t\t.pull_up\t\t\t= { .shift = 4, .width = 1 },\n+\t\t.slew_rate\t\t\t= { .shift = 5, .width = 1 },\n+\t\t.schmitt_trigger_select\t\t= { .shift = 6, .width = 1 },\n+\t\t.reserved\t\t\t= { .shift = 7, .width = 8 },\n+\t\t.debounce_width\t\t\t= { .shift = 15, .width = 17 },\n+\t},\n+\t{ 0xff },\n+};\n+\n+struct starfive_pinctrl_regs jhb100_per2pok_pinctrl_regs = {\n+\t.config\t\t\t= { .reg = 0x04, .width_per_pin = 1 },\n+\t.output\t\t\t= { .reg = 0x4c, .width_per_pin = 1 },\n+\t.output_en\t\t= { .reg = 0x50, .width_per_pin = 1 },\n+\t.gpio_status\t\t= { .reg = 0x54, .width_per_pin = 1 },\n+\t.func_sel\t\t= { .reg = 0x58, .width_per_pin = 2 },\n+\t.irq_en\t\t\t= { .reg = 0x60, .width_per_pin = 1 },\n+\t.irq_status\t\t= { .reg = 0x64, .width_per_pin = 1 },\n+\t.irq_clr\t\t= { .reg = 0x68, .width_per_pin = 1 },\n+\t.irq_trigger\t\t= { .reg = 0x6c, .width_per_pin = 1 },\n+\t.irq_level\t\t= { .reg = 0x70, .width_per_pin = 1 },\n+\t.irq_both_edge\t\t= { .reg = 0x74, .width_per_pin = 1 },\n+\t.irq_edge\t\t= { .reg = 0x78, .width_per_pin = 1 },\n+};\n+\n+static const struct jhb100_pinctrl_domain_info jhb100_per2pok_pinctrl_info = {\n+\t.name\t\t\t= \"jhb100-per2pok\",\n+\t.gc_base\t\t= -1,\n+\t.pl_desc\t\t= jhb100_per2pok_pl_desc,\n+\t.crl_desc\t\t= jhb100_per2pok_pinctrl_rl_desc,\n+\t.regs\t\t\t= &jhb100_per2pok_pinctrl_regs,\n+};\n+\n+static const struct of_device_id jhb100_per2pok_pinctrl_of_match[] = {\n+\t{\n+\t\t.compatible = \"starfive,jhb100-per2pok-pinctrl\",\n+\t\t.data = &jhb100_per2pok_pinctrl_info,\n+\t},\n+\t{ /* sentinel */ }\n+};\n+MODULE_DEVICE_TABLE(of, jhb100_per2pok_pinctrl_of_match);\n+\n+static struct platform_driver jhb100_per2pok_pinctrl_driver = {\n+\t.probe = jhb100_pinctrl_probe,\n+\t.driver = {\n+\t\t.name = \"starfive-jhb100-per2pok-pinctrl\",\n+\t\t.of_match_table = jhb100_per2pok_pinctrl_of_match,\n+\t},\n+};\n+module_platform_driver(jhb100_per2pok_pinctrl_driver);\n+\n+MODULE_DESCRIPTION(\"Pinctrl driver for StarFive JHB100 SoC Peripheral-2 Power OK domain\");\n+MODULE_AUTHOR(\"Alex Soo <yuklin.soo@starfivetech.com>\");\n+MODULE_LICENSE(\"GPL\");\n","prefixes":["v1","16/20"]}