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Mon, 28 Apr 2025 08:47:28 +0000 (GMT) Received: from epsmgmc1p1new.samsung.com (unknown [182.195.42.40]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20250428084728epsmtrp276e991ba513829c0215ac2d745fa1bf3~6by306a3W1061810618epsmtrp2H; Mon, 28 Apr 2025 08:47:28 +0000 (GMT) X-AuditID: b6c32a28-460ee70000001e8a-9b-680f40a04850 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmc1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 81.C0.07818.0A04F086; Mon, 28 Apr 2025 17:47:28 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.60]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250428084728epsmtip1eefcb95164db7026dc68eb7d3c9d6a2d~6by3hKKRh1957719577epsmtip1u; Mon, 28 Apr 2025 08:47:28 +0000 (GMT) From: Shin Son To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley , Sunyeal Hong Cc: Shin Son , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] clk: samsung: exynosautov920: add cpucl1/2 clock support Date: Mon, 28 Apr 2025 17:47:20 +0900 Message-ID: <20250428084721.3832664-3-shin.son@samsung.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250428084721.3832664-1-shin.son@samsung.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrFLMWRmVeSWpSXmKPExsWy7bCSnO4CB/4Mg6UbFC0ezNvGZrFm7zkm i+tfnrNazD9yjtXi/PkN7BabHl9jtfjYc4/V4vKuOWwWM87vY7K4eMrV4v+eHewWh9+0s1r8 u7aRxWLy8bWsFk3L1jM58Hu8v9HK7rFpVSebx+Yl9R59W1YxenzeJBfAGsVlk5Kak1mWWqRv l8CVsevDZaaCF8EVy/d3sjUwTvPsYuTkkBAwkVg+7xUbiC0ksJtRYsU0Z4i4hMThGRMYIWxh ifstR1i7GLmAat4zSsy5eZSli5GDg01AVWLTb3mQuIjAWyaJ5f8PMIE0MAucZpTYeUYGxBYW 8JXYeuUUWJwFqP7Yij1gy3gFrCUu7O5iBZkjISAv0d8hARLmFLCROH+xkw0kLARU0tfDDVEt KHFy5hMWiOnyEs1bZzNPYBSYhSQ1C0lqASPTKkbJ1ILi3PTcZMMCw7zUcr3ixNzi0rx0veT8 3E2M4OjQ0tjB+O5bk/4hRiYOxkOMEhzMSiK8VQb8GUK8KYmVValF+fFFpTmpxYcYpTlYlMR5 VxpGpAsJpCeWpGanphakFsFkmTg4pRqYCt5+E7P75t0qFTD1uvVf10Xet040OV38OZe7RH3p lK5e5srMyRPsvx7saS3nOC4cvk3vtdRhzlvr9atCP7w4L1MgnPk0oGh2S9jPL+u33XlQu23j gWftJis/LRJf2sIkEHJJ9dfNHT/L95x+ZLvn/5VrP927UhnWtCWrGB553sW34JdFfZNzUuBO nsNeti/2Rl8UPHBm5jOb6FI/nwv/z+Ue3Xtz9cUTjxwLHDzrb9Vu+f6qVVZa6HJus72troNk ruvK1YnLpi0IuKLN4eRQxd6ff/SfcdsfoU/V0vv8Lgg/Yrw5veduverSiNxVL1ZF7aq3WBV+ +Igid6jov6gD8/ae/3RMoF27UOWvUY5kgRJLcUaioRZzUXEiAEUXm9j9AgAA X-CMS-MailID: 20250428084728epcas2p17a0253f04de15c23ab6362113a0d47bb X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250428084728epcas2p17a0253f04de15c23ab6362113a0d47bb References: <20250428084721.3832664-1-shin.son@samsung.com> Register compatible and cmu_info data to support clock CPUCL1/2 (CPU Cluster 1 and CPU Cluster 2), these provide clock for CPUCL1/2_SWTICH/CLUSTER. These clocks are required early during boot for the CPUs, so they are declared using CLK_OF_DECLARE instead of being registered through a platform driver. Signed-off-by: Shin Son --- drivers/clk/samsung/clk-exynosautov920.c | 208 ++++++++++++++++++++++- 1 file changed, 207 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-exynosautov920.c b/drivers/clk/samsung/clk-exynosautov920.c index 8021e0912e50..f8168eed4a66 100644 --- a/drivers/clk/samsung/clk-exynosautov920.c +++ b/drivers/clk/samsung/clk-exynosautov920.c @@ -18,7 +18,9 @@ /* NOTE: Must be equal to the last clock ID increased by one */ #define CLKS_NR_TOP (DOUT_CLKCMU_TAA_NOC + 1) -#define CLKS_NR_CPUCL0 (CLK_DOUT_CLUSTER0_PERIPHCLK + 1) +#define CLKS_NR_CPUCL0 (CLK_DOUT_CPUCL0_NOCP + 1) +#define CLKS_NR_CPUCL1 (CLK_DOUT_CPUCL1_NOCP + 1) +#define CLKS_NR_CPUCL2 (CLK_DOUT_CPUCL2_NOCP + 1) #define CLKS_NR_PERIC0 (CLK_DOUT_PERIC0_I3C + 1) #define CLKS_NR_PERIC1 (CLK_DOUT_PERIC1_I3C + 1) #define CLKS_NR_MISC (CLK_DOUT_MISC_OSC_DIV2 + 1) @@ -1135,6 +1137,210 @@ static void __init exynosautov920_cmu_cpucl0_init(struct device_node *np) CLK_OF_DECLARE(exynosautov920_cmu_cpucl0, "samsung,exynosautov920-cmu-cpucl0", exynosautov920_cmu_cpucl0_init); +/* ---- CMU_CPUCL1 --------------------------------------------------------- */ + +/* Register Offset definitions for CMU_CPUCL1 (0x1ED00000) */ +#define PLL_LOCKTIME_PLL_CPUCL1 0x0000 +#define PLL_CON0_PLL_CPUCL1 0x0100 +#define PLL_CON1_PLL_CPUCL1 0x0104 +#define PLL_CON3_PLL_CPUCL1 0x010c +#define PLL_CON0_MUX_CLKCMU_CPUCL1_CLUSTER_USER 0x0600 +#define PLL_CON0_MUX_CLKCMU_CPUCL1_SWITCH_USER 0x0610 + +#define CLK_CON_MUX_MUX_CLK_CPUCL1_CLUSTER 0x1000 +#define CLK_CON_MUX_MUX_CLK_CPUCL1_CORE 0x1004 + +#define CLK_CON_DIV_DIV_CLK_CLUSTER1_ACLK 0x1800 +#define CLK_CON_DIV_DIV_CLK_CLUSTER1_ATCLK 0x1804 +#define CLK_CON_DIV_DIV_CLK_CLUSTER1_MPCLK 0x1808 +#define CLK_CON_DIV_DIV_CLK_CLUSTER1_PCLK 0x180c +#define CLK_CON_DIV_DIV_CLK_CLUSTER1_PERIPHCLK 0x1810 +#define CLK_CON_DIV_DIV_CLK_CPUCL1_NOCP 0x181c + +static const unsigned long cpucl1_clk_regs[] __initconst = { + PLL_LOCKTIME_PLL_CPUCL1, + PLL_CON0_PLL_CPUCL1, + PLL_CON1_PLL_CPUCL1, + PLL_CON3_PLL_CPUCL1, + PLL_CON0_MUX_CLKCMU_CPUCL1_CLUSTER_USER, + PLL_CON0_MUX_CLKCMU_CPUCL1_SWITCH_USER, + CLK_CON_MUX_MUX_CLK_CPUCL1_CLUSTER, + CLK_CON_MUX_MUX_CLK_CPUCL1_CORE, + CLK_CON_DIV_DIV_CLK_CLUSTER1_ACLK, + CLK_CON_DIV_DIV_CLK_CLUSTER1_ATCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER1_MPCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER1_PCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER1_PERIPHCLK, + CLK_CON_DIV_DIV_CLK_CPUCL1_NOCP, +}; + +/* List of parent clocks for Muxes in CMU_CPUCL1 */ +PNAME(mout_pll_cpucl1_p) = { "oscclk", "fout_cpucl1_pll" }; +PNAME(mout_cpucl1_cluster_user_p) = { "oscclk", "dout_clkcmu_cpucl1_cluster" }; +PNAME(mout_cpucl1_switch_user_p) = { "oscclk", "dout_clkcmu_cpucl1_switch" }; +PNAME(mout_cpucl1_cluster_p) = { "oscclk", "mout_cpucl1_cluster_user", + "mout_cpucl1_switch_user"}; +PNAME(mout_cpucl1_core_p) = { "oscclk", "mout_pll_cpucl1", + "mout_cpucl1_switch_user"}; + +static const struct samsung_pll_clock cpucl1_pll_clks[] __initconst = { + /* CMU_CPUCL1_PURECLKCOMP */ + PLL(pll_531x, CLK_FOUT_CPUCL1_PLL, "fout_cpucl1_pll", "oscclk", + PLL_LOCKTIME_PLL_CPUCL1, PLL_CON3_PLL_CPUCL1, cpu_pll_rates), +}; + +static const struct samsung_mux_clock cpucl1_mux_clks[] __initconst = { + MUX(CLK_MOUT_PLL_CPUCL1, "mout_pll_cpucl1", mout_pll_cpucl1_p, + PLL_CON0_PLL_CPUCL1, 4, 1), + MUX(CLK_MOUT_CPUCL1_CLUSTER_USER, "mout_cpucl1_cluster_user", mout_cpucl1_cluster_user_p, + PLL_CON0_MUX_CLKCMU_CPUCL1_CLUSTER_USER, 4, 1), + MUX(CLK_MOUT_CPUCL1_SWITCH_USER, "mout_cpucl1_switch_user", mout_cpucl1_switch_user_p, + PLL_CON0_MUX_CLKCMU_CPUCL1_SWITCH_USER, 4, 1), + MUX(CLK_MOUT_CPUCL1_CLUSTER, "mout_cpucl1_cluster", mout_cpucl1_cluster_p, + CLK_CON_MUX_MUX_CLK_CPUCL1_CLUSTER, 0, 2), + MUX(CLK_MOUT_CPUCL1_CORE, "mout_cpucl1_core", mout_cpucl1_core_p, + CLK_CON_MUX_MUX_CLK_CPUCL1_CORE, 0, 2), +}; + +static const struct samsung_div_clock cpucl1_div_clks[] __initconst = { + DIV(CLK_DOUT_CLUSTER1_ACLK, "dout_cluster1_aclk", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER1_ACLK, 0, 4), + DIV(CLK_DOUT_CLUSTER1_ATCLK, "dout_cluster1_atclk", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER1_ATCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER1_MPCLK, "dout_cluster1_mpclk", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER1_MPCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER1_PCLK, "dout_cluster1_pclk", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER1_PCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER1_PERIPHCLK, "dout_cluster1_periphclk", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER1_PERIPHCLK, 0, 4), + DIV(CLK_DOUT_CPUCL1_NOCP, "dout_cpucl1_nocp", + "mout_cpucl1_cluster", CLK_CON_DIV_DIV_CLK_CPUCL1_NOCP, 0, 4), +}; + +static const struct samsung_cmu_info cpucl1_cmu_info __initconst = { + .pll_clks = cpucl1_pll_clks, + .nr_pll_clks = ARRAY_SIZE(cpucl1_pll_clks), + .mux_clks = cpucl1_mux_clks, + .nr_mux_clks = ARRAY_SIZE(cpucl1_mux_clks), + .div_clks = cpucl1_div_clks, + .nr_div_clks = ARRAY_SIZE(cpucl1_div_clks), + .nr_clk_ids = CLKS_NR_CPUCL1, + .clk_regs = cpucl1_clk_regs, + .nr_clk_regs = ARRAY_SIZE(cpucl1_clk_regs), + .clk_name = "cpucl1", +}; + +static void __init exynosautov920_cmu_cpucl1_init(struct device_node *np) +{ + exynos_arm64_register_cmu(NULL, np, &cpucl1_cmu_info); +} + +/* Register CMU_CPUCL1 early, as CPU clocks should be available ASAP */ +CLK_OF_DECLARE(exynosautov920_cmu_cpucl1, "samsung,exynosautov920-cmu-cpucl1", + exynosautov920_cmu_cpucl1_init); + +/* ---- CMU_CPUCL2 --------------------------------------------------------- */ + +/* Register Offset definitions for CMU_CPUCL2 (0x1EE00000) */ +#define PLL_LOCKTIME_PLL_CPUCL2 0x0000 +#define PLL_CON0_PLL_CPUCL2 0x0100 +#define PLL_CON1_PLL_CPUCL2 0x0104 +#define PLL_CON3_PLL_CPUCL2 0x010c +#define PLL_CON0_MUX_CLKCMU_CPUCL2_CLUSTER_USER 0x0600 +#define PLL_CON0_MUX_CLKCMU_CPUCL2_SWITCH_USER 0x0610 + +#define CLK_CON_MUX_MUX_CLK_CPUCL2_CLUSTER 0x1000 +#define CLK_CON_MUX_MUX_CLK_CPUCL2_CORE 0x1004 + +#define CLK_CON_DIV_DIV_CLK_CLUSTER2_ACLK 0x1800 +#define CLK_CON_DIV_DIV_CLK_CLUSTER2_ATCLK 0x1804 +#define CLK_CON_DIV_DIV_CLK_CLUSTER2_MPCLK 0x1808 +#define CLK_CON_DIV_DIV_CLK_CLUSTER2_PCLK 0x180c +#define CLK_CON_DIV_DIV_CLK_CLUSTER2_PERIPHCLK 0x1810 +#define CLK_CON_DIV_DIV_CLK_CPUCL2_NOCP 0x181c + +static const unsigned long cpucl2_clk_regs[] __initconst = { + PLL_LOCKTIME_PLL_CPUCL2, + PLL_CON0_PLL_CPUCL2, + PLL_CON1_PLL_CPUCL2, + PLL_CON3_PLL_CPUCL2, + PLL_CON0_MUX_CLKCMU_CPUCL2_CLUSTER_USER, + PLL_CON0_MUX_CLKCMU_CPUCL2_SWITCH_USER, + CLK_CON_MUX_MUX_CLK_CPUCL2_CLUSTER, + CLK_CON_MUX_MUX_CLK_CPUCL2_CORE, + CLK_CON_DIV_DIV_CLK_CLUSTER2_ACLK, + CLK_CON_DIV_DIV_CLK_CLUSTER2_ATCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER2_MPCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER2_PCLK, + CLK_CON_DIV_DIV_CLK_CLUSTER2_PERIPHCLK, + CLK_CON_DIV_DIV_CLK_CPUCL2_NOCP, +}; + +/* List of parent clocks for Muxes in CMU_CPUCL2 */ +PNAME(mout_pll_cpucl2_p) = { "oscclk", "fout_cpucl2_pll" }; +PNAME(mout_cpucl2_cluster_user_p) = { "oscclk", "dout_clkcmu_cpucl2_cluster" }; +PNAME(mout_cpucl2_switch_user_p) = { "oscclk", "dout_clkcmu_cpucl2_switch" }; +PNAME(mout_cpucl2_cluster_p) = { "oscclk", "mout_cpucl2_cluster_user", + "mout_cpucl2_switch_user"}; +PNAME(mout_cpucl2_core_p) = { "oscclk", "mout_pll_cpucl2", + "mout_cpucl2_switch_user"}; + +static const struct samsung_pll_clock cpucl2_pll_clks[] __initconst = { + /* CMU_CPUCL2_PURECLKCOMP */ + PLL(pll_531x, CLK_FOUT_CPUCL2_PLL, "fout_cpucl2_pll", "oscclk", + PLL_LOCKTIME_PLL_CPUCL2, PLL_CON3_PLL_CPUCL2, cpu_pll_rates), +}; + +static const struct samsung_mux_clock cpucl2_mux_clks[] __initconst = { + MUX(CLK_MOUT_PLL_CPUCL2, "mout_pll_cpucl2", mout_pll_cpucl2_p, + PLL_CON0_PLL_CPUCL2, 4, 1), + MUX(CLK_MOUT_CPUCL2_CLUSTER_USER, "mout_cpucl2_cluster_user", mout_cpucl2_cluster_user_p, + PLL_CON0_MUX_CLKCMU_CPUCL2_CLUSTER_USER, 4, 1), + MUX(CLK_MOUT_CPUCL2_SWITCH_USER, "mout_cpucl2_switch_user", mout_cpucl2_switch_user_p, + PLL_CON0_MUX_CLKCMU_CPUCL2_SWITCH_USER, 4, 1), + MUX(CLK_MOUT_CPUCL2_CLUSTER, "mout_cpucl2_cluster", mout_cpucl2_cluster_p, + CLK_CON_MUX_MUX_CLK_CPUCL2_CLUSTER, 0, 2), + MUX(CLK_MOUT_CPUCL2_CORE, "mout_cpucl2_core", mout_cpucl2_core_p, + CLK_CON_MUX_MUX_CLK_CPUCL2_CORE, 0, 2), +}; + +static const struct samsung_div_clock cpucl2_div_clks[] __initconst = { + DIV(CLK_DOUT_CLUSTER2_ACLK, "dout_cluster2_aclk", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER2_ACLK, 0, 4), + DIV(CLK_DOUT_CLUSTER2_ATCLK, "dout_cluster2_atclk", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER2_ATCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER2_MPCLK, "dout_cluster2_mpclk", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER2_MPCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER2_PCLK, "dout_cluster2_pclk", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER2_PCLK, 0, 4), + DIV(CLK_DOUT_CLUSTER2_PERIPHCLK, "dout_cluster2_periphclk", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CLUSTER2_PERIPHCLK, 0, 4), + DIV(CLK_DOUT_CPUCL2_NOCP, "dout_cpucl2_nocp", + "mout_cpucl2_cluster", CLK_CON_DIV_DIV_CLK_CPUCL2_NOCP, 0, 4), +}; + +static const struct samsung_cmu_info cpucl2_cmu_info __initconst = { + .pll_clks = cpucl2_pll_clks, + .nr_pll_clks = ARRAY_SIZE(cpucl2_pll_clks), + .mux_clks = cpucl2_mux_clks, + .nr_mux_clks = ARRAY_SIZE(cpucl2_mux_clks), + .div_clks = cpucl2_div_clks, + .nr_div_clks = ARRAY_SIZE(cpucl2_div_clks), + .nr_clk_ids = CLKS_NR_CPUCL2, + .clk_regs = cpucl2_clk_regs, + .nr_clk_regs = ARRAY_SIZE(cpucl2_clk_regs), + .clk_name = "cpucl2", +}; + +static void __init exynosautov920_cmu_cpucl2_init(struct device_node *np) +{ + exynos_arm64_register_cmu(NULL, np, &cpucl2_cmu_info); +} + +/* Register CMU_CPUCL2 early, as CPU clocks should be available ASAP */ +CLK_OF_DECLARE(exynosautov920_cmu_cpucl2, "samsung,exynosautov920-cmu-cpucl2", + exynosautov920_cmu_cpucl2_init); + /* ---- CMU_PERIC0 --------------------------------------------------------- */ /* Register Offset definitions for CMU_PERIC0 (0x10800000) */