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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?G2m5/yZvFN6il0IFj+WqrHn2OBE3KHQVu8y6tY5y6m7ohAOeU/rLIf3ngKTM?= =?us-ascii?Q?HknDF9W5HDfhHKbGZfF2DRgGFJsReN8Lvtz+pS+Mmm4++IYFaXmXltbu88XI?= =?us-ascii?Q?6+AOI0poizUDR1bo8yE+UBtd0PFhltUB2EICND6BDCkvVsBR1/4eCh9bIpvS?= =?us-ascii?Q?2R8rnlC3qn1bnLJOrCBGzuWUZ5NbuOtz0bCa3B65SzBSnLZ8eJL5bTJ3TsRH?= =?us-ascii?Q?tXpewS4n4xQMehXMuC67W/FEfMQZdKDhUFozBEKMT8IgCjw0Ex+irqdG+e2w?= =?us-ascii?Q?4UjE5aaIzdYUD97V7+J+ljiuhbOm9D878hijxnQVw15suyWaEPTTgAkTepAB?= =?us-ascii?Q?5J9VQQydh+BHiSwlzH3QuwdUbCLgmdlPxQb6OlI3FTT5y+wSQcGmvFhFbgip?= =?us-ascii?Q?ip12VJuULKrjxVJc2T64G4z3HEUWoQuTBHk8QgnzsDVI3sKD+F+oVpPcg6K4?= =?us-ascii?Q?Pol3+zba1x3tWrv8amMA8gqlViHFeao2wA+kBsOx1Do7Hxm+OwC3paFzmOD+?= =?us-ascii?Q?cvSsJtMilfj7MFiw1+MEfVrmNmXWDqnQbclIxdf8XGKTs0PHkC+4e1Ch5RdN?= =?us-ascii?Q?U/jEhQilBjyN+ZLTPcDteR6jBIfFMKsg7rsWeXF3KtDZagnhZYNS80COat0q?= =?us-ascii?Q?l4+voNtQPUOppw6E/O1+6PSUIj5rLKdWZlqcF5NPWmu9kSA7KH13SP1O3MiQ?= =?us-ascii?Q?JtOJ7C7ipFbk1thdimhGG28KR0wPU6mDAfAU6QBlfTS1yH4vnQKb4crAvw88?= =?us-ascii?Q?1g+6usG+IZgh+17DaGeQ7OZ1LkmdwDw0+QzWttr73svGjcFq3yNR+nqEA6Rq?= =?us-ascii?Q?EqVv3DmvkCgckW0J0pOu9itA4KlCcpXzhYhuYVhEbEBI+8zhJCSjDzK1liKY?= =?us-ascii?Q?Km9CI4r56AZmJ86EUAOzekSYypZxjJhXFwM1jpF9XH0K3x8JNHDZzykm0h6w?= =?us-ascii?Q?gaJtPAvJt7UU5cBtuDjcCa4Zlp8QU5PZpViiOrXOpXYeGcP7hpcuX/0qRXhR?= =?us-ascii?Q?AtwFsuOfvXrSYTvceVH6/y0A7VWkNwpNSzWN4+GHVOSGRl8+ghiOKBb0etsv?= =?us-ascii?Q?wDYs5JmA0boDGizsITWNGxWsP1epoSwvOBU8HYnRKvwTNY56Me5YciS6CoXl?= =?us-ascii?Q?5giHxs6xym0oawiWtQrY7c+ogP4qVRlWFfFzJ8mLjD4RNVbktHsh05hzJKiw?= =?us-ascii?Q?HnQkTiF1C6gdtZJGKTnB/w++Qa7kpPdkFnpl76ZeYvGgAdP0ytudryNsEtMI?= =?us-ascii?Q?LNtUw1OUs9xIEw7J/wxDUSh3q2JAR3hY3JmdSdi4yNostMm9LtQMcG0/V5UL?= =?us-ascii?Q?n12NKBEGLI6jym+XHaGeIdDjXqwrxhwub7Dmp/rjKCbdgrb9E8QG9w/ZMQS8?= =?us-ascii?Q?q5b+JX0CR29L+OWHZC7fYxC1Yq7oziOzfWqehHT8wWi0YQi6hOPysfHClstm?= =?us-ascii?Q?dBZe89VIyWVybn/fVqQY1ofDOsV5bUkdQuQQZCScFFYHJ+eTEgf3RLYXo7ji?= =?us-ascii?Q?U1VNSYoXASqBcBjBvt2a+7Z/cbqggQaTKb1w7CQI+EttsdPWdgmpWgLRWrsl?= =?us-ascii?Q?1VcoRAUG+SdfO7jdM71/hjIGWpmzUrRiZnNa4N1x?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 382cffec-8129-47f2-1aa4-08dab01500ef X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2022 07:55:48.5004 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 7lH1QvqqCDqgrRNHOACYacIjBnSdhR99Gneeep09ElDWL9Ubv9HA4lgqQEqXkC9qVLalfuQJFpJ9WZWUJeUFXg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8543 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Freescale i.MX8qxp Control and Status Registers (CSR) module is a system controller. It represents a set of miscellaneous registers of a specific subsystem. It may provide control and/or status report interfaces to a mix of standalone hardware devices within that subsystem. The CSR module in i.MX8qm/qxp SoCs is a child node of a simple power-managed bus(i.MX8qxp pixel link MSI bus). To propagate power management operations of the CSR module's child devices to that simple power-managed bus, add a dedicated driver for the CSR module. Also, the driver would populate the CSR module's child devices. Signed-off-by: Liu Ying --- The Freescale i.MX8qxp CSR DT bindings is at Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml. Resend the patch based on v6.1-rc1. drivers/mfd/Kconfig | 10 +++++++ drivers/mfd/Makefile | 1 + drivers/mfd/fsl-imx8qxp-csr.c | 53 +++++++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 drivers/mfd/fsl-imx8qxp-csr.c diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 8b93856de432..966a250d7910 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -499,6 +499,16 @@ config MFD_MX25_TSADC i.MX25 processors. They consist of a conversion queue for general purpose ADC and a queue for Touchscreens. +config MFD_MX8QXP_CSR + tristate "Freescale i.MX8qxp Control and Status Registers (CSR) Module" + depends on (ARCH_MXC && OF) || COMPILE_TEST + help + Enable support for Freescale i.MX8qm/qxp Control and Status Registers + (CSR) Module. As a system controller, CSR represents a set of + miscellaneous registers of a specific subsystem. It may provide + control and/or status report interfaces to a mix of standalone + hardware devices within that subsystem. + config MFD_HI6421_PMIC tristate "HiSilicon Hi6421 PMU/Codec IC" depends on OF diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 7ed3ef4a698c..5c3c13d7ce85 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -113,6 +113,7 @@ obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o obj-$(CONFIG_TWL6040_CORE) += twl6040.o obj-$(CONFIG_MFD_MX25_TSADC) += fsl-imx25-tsadc.o +obj-$(CONFIG_MFD_MX8QXP_CSR) += fsl-imx8qxp-csr.o obj-$(CONFIG_MFD_MC13XXX) += mc13xxx-core.o obj-$(CONFIG_MFD_MC13XXX_SPI) += mc13xxx-spi.o diff --git a/drivers/mfd/fsl-imx8qxp-csr.c b/drivers/mfd/fsl-imx8qxp-csr.c new file mode 100644 index 000000000000..3915d3d6ca65 --- /dev/null +++ b/drivers/mfd/fsl-imx8qxp-csr.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * Copyright 2022 NXP + */ + +#include +#include +#include +#include + +static int imx8qxp_csr_probe(struct platform_device *pdev) +{ + int ret; + + pm_runtime_enable(&pdev->dev); + + ret = devm_of_platform_populate(&pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "failed to populate sub-devices: %d\n", ret); + pm_runtime_disable(&pdev->dev); + } + + return ret; +} + +static int imx8qxp_csr_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + return 0; +} + +static const struct of_device_id imx8qxp_csr_of_match[] = { + { .compatible = "fsl,imx8qxp-mipi-lvds-csr", }, + { .compatible = "fsl,imx8qm-lvds-csr", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx8qxp_csr_of_match); + +static struct platform_driver imx8qxp_csr_driver = { + .probe = imx8qxp_csr_probe, + .remove = imx8qxp_csr_remove, + .driver = { + .name = "imx8qxp-csr", + .of_match_table = imx8qxp_csr_of_match, + }, +}; + +module_platform_driver(imx8qxp_csr_driver); + +MODULE_DESCRIPTION("Freescale i.MX8qm/qxp Control and Status Registers Module Driver"); +MODULE_AUTHOR("Liu Ying "); +MODULE_LICENSE("GPL v2"); -- 2.37.1