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clk: samsung: exynosautov920: add clock support

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Add support for CMU_MFD which provides clocks to MFD block, and
register the required compatible and cmu_info for the same.

Signed-off-by: Raghav Sharma <raghav.s@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://patch.msgid.link/20251119114744.1914416-3-raghav.s@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Raghav Sharma 2025-11-19 17:17:43 +05:30 committed by Krzysztof Kozlowski
parent db1cc4902f
commit efa45bcc73
1 changed files with 40 additions and 0 deletions
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40
drivers/clk/samsung/clk-exynosautov920.c
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@ -29,6 +29,7 @@
#define CLKS_NR_HSI2 (CLK_DOUT_HSI2_ETHERNET_PTP + 1)
#define CLKS_NR_M2M (CLK_DOUT_M2M_NOCP + 1)
#define CLKS_NR_MFC (CLK_DOUT_MFC_NOCP + 1)
#define CLKS_NR_MFD (CLK_DOUT_MFD_NOCP + 1)
/* ---- CMU_TOP ------------------------------------------------------------ */
@ -1905,6 +1906,42 @@ static const struct samsung_cmu_info mfc_cmu_info __initconst = {
.clk_name = "noc",
};
/* ---- CMU_MFD --------------------------------------------------------- */
/* Register Offset definitions for CMU_MFD (0x19e00000) */
#define PLL_CON0_MUX_CLKCMU_MFD_NOC_USER 0x600
#define CLK_CON_DIV_DIV_CLK_MFD_NOCP 0x1800
static const unsigned long mfd_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_MFD_NOC_USER,
CLK_CON_DIV_DIV_CLK_MFD_NOCP,
};
/* List of parent clocks for Muxes in CMU_MFD */
PNAME(mout_clkcmu_mfd_noc_user_p) = { "oscclk", "dout_clkcmu_mfd_noc" };
static const struct samsung_mux_clock mfd_mux_clks[] __initconst = {
MUX(CLK_MOUT_MFD_NOC_USER, "mout_clkcmu_mfd_noc_user",
mout_clkcmu_mfd_noc_user_p, PLL_CON0_MUX_CLKCMU_MFD_NOC_USER, 4, 1),
};
static const struct samsung_div_clock mfd_div_clks[] __initconst = {
DIV(CLK_DOUT_MFD_NOCP, "dout_mfd_nocp",
"mout_clkcmu_mfd_noc_user", CLK_CON_DIV_DIV_CLK_MFD_NOCP,
0, 3),
};
static const struct samsung_cmu_info mfd_cmu_info __initconst = {
.mux_clks = mfd_mux_clks,
.nr_mux_clks = ARRAY_SIZE(mfd_mux_clks),
.div_clks = mfd_div_clks,
.nr_div_clks = ARRAY_SIZE(mfd_div_clks),
.nr_clk_ids = CLKS_NR_MFD,
.clk_regs = mfd_clk_regs,
.nr_clk_regs = ARRAY_SIZE(mfd_clk_regs),
.clk_name = "noc",
};
static int __init exynosautov920_cmu_probe(struct platform_device *pdev)
{
const struct samsung_cmu_info *info;
@ -1941,6 +1978,9 @@ static const struct of_device_id exynosautov920_cmu_of_match[] = {
}, {
.compatible = "samsung,exynosautov920-cmu-mfc",
.data = &mfc_cmu_info,
}, {
.compatible = "samsung,exynosautov920-cmu-mfd",
.data = &mfd_cmu_info,
},
{ }
};