Commit 81a51eb6 authored by Sam Protsenko's avatar Sam Protsenko Committed by Krzysztof Kozlowski
Browse files

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actual SoC name is Exynos850 (Exynos3830 name is internal and outdated).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: default avatarSam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20211014133508.1210-3-semen.protsenko@linaro.org


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
parent 0a012406

drivers/soc/samsung/exynos-chipid.c

+10 −0
Original line number Diff line number Diff line
@@ -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,

	},

	{ }

};