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author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-02-04 15:57:50 +0200 |
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committer | Petr Štetiar <ynezz@true.cz> | 2022-02-24 19:05:28 +0100 |
commit | e58cd453d58b20c6a6f34d3591640aa19aa14d25 (patch) | |
tree | a4fef5f5d79575a7a60b516482ee114c1dbc932e /target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch | |
parent | 3ed992a99630457f660761ce199e3d2a00f06168 (diff) | |
download | upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.gz upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.bz2 upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.zip |
at91: add kernel support for sama7g5 soc
Add kernel support for SAMA7G5 by back-porting mainline kernel patches.
Among SAMA7G5 features could be remembered:
- ARM Cortex-A7
- double data rate multi-port dynamic RAM controller supporting DDR2,
DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz
- peripherals for audio, video processing
- 1 gigabit + 1 megabit Ethernet controllers
- 6 CAN controllers
- trust zone support
- DVFS for CPU
- criptography IPs
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Diffstat (limited to 'target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch')
-rw-r--r-- | target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch b/target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch new file mode 100644 index 0000000000..6eca9dbf91 --- /dev/null +++ b/target/linux/at91/patches-5.10/171-media-atmel-atmel-isc-add-support-for-version-regist.patch @@ -0,0 +1,86 @@ +From 0939b0a92acca11a5a3b0de5dd70434e17e40ed3 Mon Sep 17 00:00:00 2001 +From: Eugen Hristev <eugen.hristev@microchip.com> +Date: Tue, 13 Apr 2021 12:57:13 +0200 +Subject: [PATCH 171/247] media: atmel: atmel-isc: add support for version + register + +Add support for version register and print it at probe time. + +Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> +Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> +Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> +--- + drivers/media/platform/atmel/atmel-isc-regs.h | 5 +++++ + drivers/media/platform/atmel/atmel-isc.h | 2 ++ + drivers/media/platform/atmel/atmel-sama5d2-isc.c | 5 +++++ + 3 files changed, 12 insertions(+) + +diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h +index 4940998c82a2..344668dcfcf4 100644 +--- a/drivers/media/platform/atmel/atmel-isc-regs.h ++++ b/drivers/media/platform/atmel/atmel-isc-regs.h +@@ -295,6 +295,11 @@ + /* DMA Address 2 Register */ + #define ISC_DAD2 0x000003fc + ++/* Offset for version register specific to sama5d2 product */ ++#define ISC_SAMA5D2_VERSION_OFFSET 0 ++/* Version Register */ ++#define ISC_VERSION 0x0000040c ++ + /* Histogram Entry */ + #define ISC_HIS_ENTRY 0x00000410 + +diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h +index bea545327d3d..13ee19d99c2e 100644 +--- a/drivers/media/platform/atmel/atmel-isc.h ++++ b/drivers/media/platform/atmel/atmel-isc.h +@@ -152,6 +152,7 @@ struct isc_ctrls { + * @rlp: Offset for the RLP register + * @his: Offset for the HIS related registers + * @dma: Offset for the DMA related registers ++ * @version: Offset for the version register + */ + struct isc_reg_offsets { + u32 csc; +@@ -161,6 +162,7 @@ struct isc_reg_offsets { + u32 rlp; + u32 his; + u32 dma; ++ u32 version; + }; + + /* +diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c +index bfd56ac5c921..aebf38dde2d2 100644 +--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c ++++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c +@@ -210,6 +210,7 @@ static int atmel_isc_probe(struct platform_device *pdev) + struct isc_subdev_entity *subdev_entity; + int irq; + int ret; ++ u32 ver; + + isc = devm_kzalloc(dev, sizeof(*isc), GFP_KERNEL); + if (!isc) +@@ -258,6 +259,7 @@ static int atmel_isc_probe(struct platform_device *pdev) + isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET; + isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET; + isc->offsets.dma = ISC_SAMA5D2_DMA_OFFSET; ++ isc->offsets.version = ISC_SAMA5D2_VERSION_OFFSET; + + /* sama5d2-isc - 8 bits per beat */ + isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8; +@@ -346,6 +348,9 @@ static int atmel_isc_probe(struct platform_device *pdev) + pm_runtime_enable(dev); + pm_request_idle(dev); + ++ regmap_read(isc->regmap, ISC_VERSION + isc->offsets.version, &ver); ++ dev_info(dev, "Microchip ISC version %x\n", ver); ++ + return 0; + + cleanup_subdev: +-- +2.32.0 + |