diff options
| author | Chanho Park <chanho61.park@samsung.com> | 2022-05-04 10:51:49 +0300 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2022-05-10 20:19:34 +0300 |
| commit | 65165b11eee8a7a94d0b1a0d3480f6957c4c6970 (patch) | |
| tree | 6b8631a53044f1030b33db4aef9b31da39aa24e7 /drivers/clk/samsung | |
| parent | 69a21d53381722c9fe0d232b6c335be5e7e0f11d (diff) | |
| download | linux-65165b11eee8a7a94d0b1a0d3480f6957c4c6970.tar.xz | |
clk: samsung: exynosautov9: add cmu_fsys2 clock support
CMU_FSYS2 is responsible to control clocks of BLK_FSYS2 which includes
ufs and ethernet IPs. This patch adds some essential clocks to be
controlled by ethernet/ufs drivers instead of listing full clocks.
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20220504075154.58819-8-chanho61.park@samsung.com
Diffstat (limited to 'drivers/clk/samsung')
| -rw-r--r-- | drivers/clk/samsung/clk-exynosautov9.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c index aaa78b921fde..8c6ecd3f3eeb 100644 --- a/drivers/clk/samsung/clk-exynosautov9.c +++ b/drivers/clk/samsung/clk-exynosautov9.c @@ -1067,6 +1067,73 @@ static const struct samsung_cmu_info core_cmu_info __initconst = { .clk_name = "dout_clkcmu_core_bus", }; +/* ---- CMU_FSYS2 ---------------------------------------------------------- */ + +/* Register Offset definitions for CMU_FSYS2 (0x17c00000) */ +#define PLL_CON0_MUX_CLKCMU_FSYS2_BUS_USER 0x0600 +#define PLL_CON0_MUX_CLKCMU_FSYS2_UFS_EMBD_USER 0x0620 +#define PLL_CON0_MUX_CLKCMU_FSYS2_ETHERNET_USER 0x0610 +#define CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_ACLK 0x2098 +#define CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_CLK_UNIPRO 0x209c +#define CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_ACLK 0x20a4 +#define CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_CLK_UNIPRO 0x20a8 + +static const unsigned long fsys2_clk_regs[] __initconst = { + PLL_CON0_MUX_CLKCMU_FSYS2_BUS_USER, + PLL_CON0_MUX_CLKCMU_FSYS2_UFS_EMBD_USER, + PLL_CON0_MUX_CLKCMU_FSYS2_ETHERNET_USER, + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_ACLK, + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_CLK_UNIPRO, + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_ACLK, + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_CLK_UNIPRO, +}; + +/* List of parent clocks for Muxes in CMU_FSYS2 */ +PNAME(mout_fsys2_bus_user_p) = { "oscclk", "dout_clkcmu_fsys2_bus" }; +PNAME(mout_fsys2_ufs_embd_user_p) = { "oscclk", "dout_clkcmu_fsys2_ufs_embd" }; +PNAME(mout_fsys2_ethernet_user_p) = { "oscclk", "dout_clkcmu_fsys2_ethernet" }; + +static const struct samsung_mux_clock fsys2_mux_clks[] __initconst = { + MUX(CLK_MOUT_FSYS2_BUS_USER, "mout_fsys2_bus_user", + mout_fsys2_bus_user_p, PLL_CON0_MUX_CLKCMU_FSYS2_BUS_USER, 4, 1), + MUX(CLK_MOUT_FSYS2_UFS_EMBD_USER, "mout_fsys2_ufs_embd_user", + mout_fsys2_ufs_embd_user_p, + PLL_CON0_MUX_CLKCMU_FSYS2_UFS_EMBD_USER, 4, 1), + MUX(CLK_MOUT_FSYS2_ETHERNET_USER, "mout_fsys2_ethernet_user", + mout_fsys2_ethernet_user_p, + PLL_CON0_MUX_CLKCMU_FSYS2_ETHERNET_USER, 4, 1), +}; + +static const struct samsung_gate_clock fsys2_gate_clks[] __initconst = { + GATE(CLK_GOUT_FSYS2_UFS_EMBD0_ACLK, "gout_fsys2_ufs_embd0_aclk", + "mout_fsys2_ufs_embd_user", + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_ACLK, 21, + 0, 0), + GATE(CLK_GOUT_FSYS2_UFS_EMBD0_UNIPRO, "gout_fsys2_ufs_embd0_unipro", + "mout_fsys2_ufs_embd_user", + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD0_IPCLKPORT_I_CLK_UNIPRO, + 21, 0, 0), + GATE(CLK_GOUT_FSYS2_UFS_EMBD1_ACLK, "gout_fsys2_ufs_embd1_aclk", + "mout_fsys2_ufs_embd_user", + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_ACLK, 21, + 0, 0), + GATE(CLK_GOUT_FSYS2_UFS_EMBD1_UNIPRO, "gout_fsys2_ufs_embd1_unipro", + "mout_fsys2_ufs_embd_user", + CLK_CON_GAT_GOUT_BLK_FSYS2_UID_UFS_EMBD1_IPCLKPORT_I_CLK_UNIPRO, + 21, 0, 0), +}; + +static const struct samsung_cmu_info fsys2_cmu_info __initconst = { + .mux_clks = fsys2_mux_clks, + .nr_mux_clks = ARRAY_SIZE(fsys2_mux_clks), + .gate_clks = fsys2_gate_clks, + .nr_gate_clks = ARRAY_SIZE(fsys2_gate_clks), + .nr_clk_ids = FSYS2_NR_CLK, + .clk_regs = fsys2_clk_regs, + .nr_clk_regs = ARRAY_SIZE(fsys2_clk_regs), + .clk_name = "dout_clkcmu_fsys2_bus", +}; + /* ---- CMU_PERIS ---------------------------------------------------------- */ /* Register Offset definitions for CMU_PERIS (0x10020000) */ @@ -1133,6 +1200,8 @@ static const struct of_device_id exynosautov9_cmu_of_match[] = { .compatible = "samsung,exynosautov9-cmu-core", .data = &core_cmu_info, }, { + .compatible = "samsung,exynosautov9-cmu-fsys2", + .data = &fsys2_cmu_info, }, { .compatible = "samsung,exynosautov9-cmu-peris", .data = &peris_cmu_info, |