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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ERV0ERV7WiKDS5Dx3814/ywUsG+b11fvjWEaqaCMufsgMWE5jxCp/KE574sl?= =?us-ascii?Q?bkFVInUQlXK+zLNv8OVQICjyGOVBx6au2hcKwhzSHmPCSdApsfN5+pSnKN9O?= =?us-ascii?Q?dPzjKjRbeTLMQBkZp4kL/CbPHi+JP5X+Ghzga9ShjboQSP5L0CQWfhHxFmSB?= =?us-ascii?Q?JmJTwdgBoif6zjTH/NGmeUJ83p3mGnsb2Ykxv8E7gNWq5uKmeK3PxE1gqQPE?= =?us-ascii?Q?veQXmPof2cUP2OC8fAaz/GMKu39wl3B94SXvd8j8tCHtT1siJrdj4YcbJKwe?= =?us-ascii?Q?JNGUXCFVddtZHmMHAEfzfCj+bt5DGQyrb2O7HL4nVzpEWhm0BW4VoD4IBoKJ?= =?us-ascii?Q?FM5jiaolZAlchfu2V+86QAPPrNwai5+xg1UgiuVYOIwNMyniXB73EXG4M7YZ?= =?us-ascii?Q?VhtHdyzWybS1S37or+m2hrZ//oynYWmrOPg5g63cAaWkSIj2WIBfzkQblUhr?= =?us-ascii?Q?M6ciWa5HkJH681MWeU+exRusIZidcwmi4Sdxy/c9JaB6i+wgJLYvrJvea1Pw?= =?us-ascii?Q?y8rqEqufqR3oKqIZ+TCWsDAqzLZ3KV+9SjHhMuG6lhS7iluJWsBtsaznr0ST?= =?us-ascii?Q?kOZMs+k+8oDAW7h6AY7we36zTs+aswJ7QvJc2c8ZD61FwmavW7k6nRWwxC+e?= =?us-ascii?Q?RPozU4pCS9xEANl+XQ6KiREzxqAZH2koeNxdeBy2xVPMlayJFg6g2y92i44P?= =?us-ascii?Q?JNNcoPiCUrLLhaCEJudAhwfUfmywXj1YKSjjhj5HMJ4jI9V1Z2WtWzNA/wWw?= =?us-ascii?Q?gBL0VcrIS0OfSXmrLl8Yx6uMb6eiANQMdgX3y5iF8FmqG9PmI1NkKGH94ZRW?= =?us-ascii?Q?4XLgwR5LYQ81zVYOl47TJOXb9KaCdfJmzFrHc3NL0ChFu6Tu9BMnSlz89Mjn?= =?us-ascii?Q?r8oyROsaewdXZI9CQTXVYOlfHI7YFYHr1Cg4XOxHdqA3YRqsaC9cOwWrA7QV?= =?us-ascii?Q?OsdTi4bPLfbaKKjx+9V8NBC0V6pNmd9LblwQbr0gMm2YQiLeDHMYR7XfqT6Z?= =?us-ascii?Q?/WlG/co4qVPUSL8MWDjF5k8nWwsch2FCnc8REEGoRdYWjoMJ2V2fcNJUfSBm?= =?us-ascii?Q?PKQEMQELhVWmztUKqsF6cRoP7SQVAhOv1I62cbToaUI1de9zp9wBmann9NQ0?= =?us-ascii?Q?Sk17Mr+LX6/bzk0OiQTCTJ0sQy0rrVlnrFdx58aLIbFwhA8T+4ziGKUHEDWz?= =?us-ascii?Q?tbYKjwXoXMEjhmTU4FlQm4sjZXhrwth+0YOFBLmvxgOVxAp8Gutue0IDHkee?= =?us-ascii?Q?QnjrZOhWsSCJJ2anQRu/TmxWi8JmC42HjEKFezal7Eg5f1A3oeL+dl5L0yNh?= =?us-ascii?Q?ZX1Ya7pWmdyywVQ9+2+U11geQTH0Ko+QwdItlmHBIKguOFw12xwZbX/B6/55?= =?us-ascii?Q?o7w560caJAgGIoValHv4AjySfurwDvwD+Hcd4eTE4mS6JrCRtAak52kYGMTe?= =?us-ascii?Q?wYI8Ln3r3WqdpvgssdJFiBrZs593dvAepXFGBgMRjCRfg/eYIMceFFF0zbw/?= =?us-ascii?Q?pCMurkooymHxQSqMMAo4JF7UC9lDorLwRPKchWtolBL+EKt5XxKfLY+gZF3p?= =?us-ascii?Q?e+sgSQ1g+VihF7AAyji0f6z/soKUT6XcKDvK2HYv?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 20f0403a-79a2-47d9-9abb-08de0a900c92 X-MS-Exchange-CrossTenant-AuthSource: AS4PR04MB9621.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2025 19:38:13.8269 (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: UMPTpL6OvUESku2O43UvQDbUBGBPeGOjKGUbWrAFDSD7FZaqGz6U2x72qSxqW+Ymk/BhjOoeawvsQijhMdxWHw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR04MB8324 On Sun, Oct 12, 2025 at 06:03:27PM +0100, Jonathan Cameron wrote: > On Tue, 07 Oct 2025 16:06:12 -0400 > Frank Li wrote: > > > Add basic HDR mode support, only support private transfer, not support > > CCC command. > > > > Update i3c framework API to allow pass down mode and extend driver callback > > function. > > > > Implement HDR transfer in svc i3c master driver. > > > > Simplifed HDR flow is (ref i3c spec line 5514) Figure 129 > > > > <-- SDR ---> | <--- HDR > > START 0x7E RnW(0) ACK CCC(ENTHDR0) T HDR-CMD(00-7f write, 80--ff read) > > > > ----> | > > HDR-DATA HDR-CRC HDR-RESTART .... HDR-EXIT > > > > Note: HDR-CMD is 16bit data, which included 7bit slave address and 8bit > > read/write command. > > > > svc hardware can auto issue SDR part. > > > > Signed-off-by: Frank Li > > Whilst there will probably have to be a v6 for the ACPI ID issue in patch 5, > I'd like to ask the question of how are we planning to merge this? > > Maybe an immutable branch either in IIO or I3C trees that the other one picks up? > > It's a new driver so could gamble on taking the IIO driver the I3C tree but even > then I'd like a topic / immutable branch in case any IIO wide refactors or similar > hit this cycle. It is up to Alexandre Belloni. Frank > > Thanks, > > Jonathan > > > --- > > Changes in v5: > > - Just realized missed CC mail list devicetree@vger.kernel.org and resend > > - Link to v4: https://lore.kernel.org/r/20251007-i3c_ddr-v4-0-3afea5105775@nxp.com > > > > Changes in v4: > > - use master's hdr_cap to check HDR cap. > > - add mmc5603 support. > > - Link to v3: https://lore.kernel.org/r/20250930-i3c_ddr-v3-0-b627dc2ef172@nxp.com > > > > Changes in v3: > > - Add new patch for change rnw to union for svc. > > - Detial changes see each patch's change log. > > - Link to v2: https://lore.kernel.org/r/20250924-i3c_ddr-v2-0-682a0eb32572@nxp.com > > > > Changes in v2: > > - Add sensor driver, which use HDR mode read/write data. > > - change priv_xfer to i3c_xfer. > > - Link to v1: https://lore.kernel.org/r/20250129-i3c_ddr-v1-0-028a7a5d4324@nxp.com > > > > --- > > Frank Li (5): > > i3c: Add HDR API support > > i3c: master: svc: Replace bool rnw with union for HDR support > > i3c: master: svc: Add basic HDR mode support > > dt-bindings: trivial-devices: add MEMSIC 3-axis magnetometer > > iio: magnetometer: Add mmc5633 sensor > > > > .../devicetree/bindings/trivial-devices.yaml | 4 + > > drivers/i3c/device.c | 27 +- > > drivers/i3c/internals.h | 6 +- > > drivers/i3c/master.c | 19 +- > > drivers/i3c/master/svc-i3c-master.c | 96 +++- > > drivers/iio/magnetometer/Kconfig | 12 + > > drivers/iio/magnetometer/Makefile | 1 + > > drivers/iio/magnetometer/mmc5633.c | 579 +++++++++++++++++++++ > > include/linux/i3c/device.h | 34 +- > > include/linux/i3c/master.h | 4 + > > 10 files changed, 745 insertions(+), 37 deletions(-) > > --- > > base-commit: 5248ab97a6dd1dc6856422f6b1595baaf4fa85ce > > change-id: 20250129-i3c_ddr-b15488901eb8 > > > > Best regards, > > -- > > Frank Li > > >