From 81a51eb6be3dbb76790b7353ec8dfaadfc751782 Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Thu, 14 Oct 2021 16:35:08 +0300 Subject: [PATCH] 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 Despite its "E3830" ID, the actual SoC name is Exynos850 (Exynos3830 name is internal and outdated).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 Link: https://lore.kernel.org/r/20211014133508.1210-3-semen.protsenko@linaro.org Signed-off-by: Krzysztof Kozlowski --- drivers/soc/samsung/exynos-chipid.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 986978e..0aeb24b 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, }, { } }; -- 2.7.4