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| author | Sam Protsenko <semen.protsenko@linaro.org> | 2021-10-14 16:35:08 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-10-15 09:48:52 +0200 |
| commit | 81a51eb6be3dbb76790b7353ec8dfaadfc751782 (patch) | |
| tree | 8c3e4087e451a811c2d4445d99b2373c93f62911 /drivers/soc/samsung | |
| parent | 0a0124065fcd6b5e42968edbe33f85c7846d3f8c (diff) | |
| download | linux-81a51eb6be3dbb76790b7353ec8dfaadfc751782.tar.bz2 | |
soc: samsung: exynos-chipid: Add Exynos850 support
Add chip-id support for Exynos850 SoC. Despite its "E3830" ID, the
actual SoC name is Exynos850 (Exynos3830 name is internal and outdated).
Format of Product_ID register in Exynos850 (offset 0x0):
[31:0] Product ID (identification)
Format of CHIPID_REV register in Exynos850 (offset 0x10):
[23:20] Main revision
[19:16] Sub revision
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20211014133508.1210-3-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/soc/samsung')
| -rw-r--r-- | drivers/soc/samsung/exynos-chipid.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 986978e83661..0aeb24bcc11a 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -55,6 +55,7 @@ static const struct exynos_soc_id { { "EXYNOS5440", 0xE5440000 }, { "EXYNOS5800", 0xE5422000 }, { "EXYNOS7420", 0xE7420000 }, + { "EXYNOS850", 0xE3830000 }, }; static const char *product_id_to_soc_id(unsigned int product_id) @@ -169,10 +170,19 @@ static const struct exynos_chipid_variant exynos4210_chipid_drv_data = { .sub_rev_shift = 0, }; +static const struct exynos_chipid_variant exynos850_chipid_drv_data = { + .rev_reg = 0x10, + .main_rev_shift = 20, + .sub_rev_shift = 16, +}; + static const struct of_device_id exynos_chipid_of_device_ids[] = { { .compatible = "samsung,exynos4210-chipid", .data = &exynos4210_chipid_drv_data, + }, { + .compatible = "samsung,exynos850-chipid", + .data = &exynos850_chipid_drv_data, }, { } }; |