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Fri, 7 Jun 2019 14:35:24 +0000 (GMT) From: Lukasz Luba To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Cc: mturquette@baylibre.com, sboyd@kernel.org, b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, keescook@chromium.org, tony@atomide.com, jroedel@suse.de, treding@nvidia.com, digetx@gmail.com, gregkh@linuxfoundation.org, willy.mh.wolff.ml@gmail.com, Lukasz Luba Subject: [PATCH v9 02/13] clk: samsung: add new clocks for DMC for Exynos5422 SoC Date: Fri, 7 Jun 2019 16:34:56 +0200 Message-Id: <20190607143507.30286-3-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190607143507.30286-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSaUhUURT2zpu3ODXyGiUPWkkTQSpu6I9LSgttjzAK7E8l1ZgPtRyzeWmZ BaNm5palVINmGUGKuaSZ6aCpM5LmbrZYLmQTJeVWpqWWNOOb6N93v+V8h8NlCMUI6cRERJ3m NVGqSCUlk1Y/m+vy8IydD/aub6Jxha6cxG9+fCbxneYuEj/4ZkI46V45hXPa8iW4I12Ns0xf Cdzd/ZDGnYljNH6nXYW/ZQyTuE9/i8LTmc0I67qfSnBp8xCNe9t24IGEIgobx1JIvPi6Qoob Xu7GAwt2eLb1A9riyM3OZEu5yf5kmsvT9kq52twhmqssTqW4hvwSmstMmqC4pok6CXelqhhx j9rjuenKNfuWHZQFhPKREbG8xmvTUVn49dRkKrrH5+y9hk6kRXq3NGTLAOsHrWVNVBqSMQq2 CMFiw3PSIijYHwjackAUphHc1xmIfwl96qJEFAoR6KYKrHFzIs84YX4wDMV6Qk3xKUvAgdWZ +dEgi4dgnxAwPjCILII9GwRJ06VLU6XsepgcqV/CcnYzGBL6aLHNBR48bFzibdktkFdds1QG bCoDg4Va60rbYfxVhxXbw5eWKmt4FbTnZEhFLIA28y4S8XkwZeVbPf5gbOklLUsTrCuU671E eitc/P1SYqGBtYP+8RUWmjDD7OqbhEjL4fIlhejeAFUZPRIRr4TCkhvW4Rzc/1SIxIPmIEhp 9L2KXHL/dxUgVIwc+RhBHcYLPlH8GU9BpRZiosI8j51UVyLzx2tfbPleg2ZehBgQyyDlcjlH zwUrSFWsEKc2IGAIpYM8tudXsEIeqoo7x2tOHtHERPKCATkzUqWjPN7m/SEFG6Y6zZ/g+Whe 80+VMLZOWnS4CY4b50L8Nu/8WRdhXFvyy9URJbnrE5MX4lNcPlZ4EVOl/DZd7dvA9QcOrLbT L/dbXYb+PHay9UgbndQdkf0MWCGDqYCxdenKV7tuu1+Y8O6bSc/es9fHtKbb22a+Q7Er5sXG Yd+joRrepKznp05dk2Xu35AS6FQ0G6Jz9lf1K6VCuMrHjdAIqr+n1v1vdAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKIsWRmVeSWpSXmKPExsVy+t/xu7q6Zb9iDD49FbXYOGM9q8X1L89Z LeYfOcdqsfrjY0aL5sXr2Swmn5rLZHGmO9ei//FrZovz5zewW5xtesNucatBxuJjzz1Wi8u7 5rBZfO49wmgx4/w+Jou1R+6yW1w85Wpxu3EFm8XhN+2sFv+ubWSx2H/Fy+L2bz6LbyceMTqI e3z7OonF4/2NVnaP2Q0XWTx2zrrL7rFpVSebx/65a9g9epvfsXkcfLeHyaNvyypGj82nqz0+ b5IL4I7SsynKLy1JVcjILy6xVYo2tDDSM7S00DMysdQzNDaPtTIyVdK3s0lJzcksSy3St0vQ y5ja2cpWcMGwYvH+s4wNjLu0uhg5OSQETCR2df5j6mLk4hASWMooMfHiZ3aIhJjEpH3boWxh iT/Xutggij4xShxY/Yq1i5GDg01AT2LHqkKQuIjAHEaJn13bGEEcZoGzzBK7V7xhAukWFgiU aJ3RwAxiswioSrx/uBfM5hWwlzjUeBlqg7zE6g0HwOKcAg4Ss7ftYANZIARUs+q5wwRGvgWM DKsYRVJLi3PTc4uN9IoTc4tL89L1kvNzNzECo3DbsZ9bdjB2vQs+xCjAwajEwzuD6WeMEGti WXFl7iFGCQ5mJRHesgs/YoR4UxIrq1KL8uOLSnNSiw8xmgLdNJFZSjQ5H5gg8kriDU0NzS0s Dc2NzY3NLJTEeTsEDsYICaQnlqRmp6YWpBbB9DFxcEo1MCr1u7kdv35W0cDKLa9uw/8Va5wq zvVYCq10uJ68tdUicgK/oZOm6J9DfYG+9rkzrp/WDJLOX5SayWpdUvJ6poK543pl/Qlv4tr+ 97Vvl/y9d/WZ6fsrl6y4+iR6ZbCTdOschlez3KJ8hWdYvcjQm/f46YS4RX1LKti+v4yJ63h7 TKVgmeLH6UosxRmJhlrMRcWJALaHMXrYAgAA X-CMS-MailID: 20190607143525eucas1p15a57ab0f8b9e6ce2e77702f04ebf0c22 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190607143525eucas1p15a57ab0f8b9e6ce2e77702f04ebf0c22 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190607143525eucas1p15a57ab0f8b9e6ce2e77702f04ebf0c22 References: <20190607143507.30286-1-l.luba@partner.samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This patch provides support for clocks needed for Dynamic Memory Controller in Exynos5422 SoC. It adds CDREX base register addresses, new DIV, MUX and GATE entries. Acked-by: Chanwoo Choi Acked-by: Krzysztof Kozlowski Signed-off-by: Lukasz Luba --- drivers/clk/samsung/clk-exynos5420.c | 61 +++++++++++++++++++++++++--- 1 file changed, 55 insertions(+), 6 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 34cce3c5898f..514e16310227 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -134,6 +134,8 @@ #define SRC_CDREX 0x20200 #define DIV_CDREX0 0x20500 #define DIV_CDREX1 0x20504 +#define GATE_BUS_CDREX0 0x20700 +#define GATE_BUS_CDREX1 0x20704 #define KPLL_LOCK 0x28000 #define KPLL_CON0 0x28100 #define SRC_KFC 0x28200 @@ -248,6 +250,8 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { DIV_CDREX1, SRC_KFC, DIV_KFC0, + GATE_BUS_CDREX0, + GATE_BUS_CDREX1, }; static const unsigned long exynos5800_clk_regs[] __initconst = { @@ -425,6 +429,9 @@ PNAME(mout_group13_5800_p) = { "dout_osc_div", "mout_sw_aclkfl1_550_cam" }; PNAME(mout_group14_5800_p) = { "dout_aclk550_cam", "dout_sclk_sw" }; PNAME(mout_group15_5800_p) = { "dout_osc_div", "mout_sw_aclk550_cam" }; PNAME(mout_group16_5800_p) = { "dout_osc_div", "mout_mau_epll_clk" }; +PNAME(mout_mx_mspll_ccore_phy_p) = { "sclk_bpll", "mout_sclk_dpll", + "mout_sclk_mpll", "ff_dout_spll2", + "mout_sclk_spll", "mout_sclk_epll"}; /* fixed rate clocks generated outside the soc */ static struct samsung_fixed_rate_clock @@ -450,7 +457,7 @@ static const struct samsung_fixed_factor_clock static const struct samsung_fixed_factor_clock exynos5800_fixed_factor_clks[] __initconst = { FFACTOR(0, "ff_dout_epll2", "mout_sclk_epll", 1, 2, 0), - FFACTOR(0, "ff_dout_spll2", "mout_sclk_spll", 1, 2, 0), + FFACTOR(CLK_FF_DOUT_SPLL2, "ff_dout_spll2", "mout_sclk_spll", 1, 2, 0), }; static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = { @@ -472,11 +479,14 @@ static const struct samsung_mux_clock exynos5800_mux_clks[] __initconst = { MUX(0, "mout_aclk300_disp1", mout_group5_5800_p, SRC_TOP2, 24, 2), MUX(0, "mout_aclk300_gscl", mout_group5_5800_p, SRC_TOP2, 28, 2), + MUX(CLK_MOUT_MX_MSPLL_CCORE_PHY, "mout_mx_mspll_ccore_phy", + mout_mx_mspll_ccore_phy_p, SRC_TOP7, 0, 3), + MUX(CLK_MOUT_MX_MSPLL_CCORE, "mout_mx_mspll_ccore", - mout_mx_mspll_ccore_p, SRC_TOP7, 16, 2), + mout_mx_mspll_ccore_p, SRC_TOP7, 16, 3), MUX_F(CLK_MOUT_MAU_EPLL, "mout_mau_epll_clk", mout_mau_epll_clk_5800_p, SRC_TOP7, 20, 2, CLK_SET_RATE_PARENT, 0), - MUX(0, "sclk_bpll", mout_bpll_p, SRC_TOP7, 24, 1), + MUX(CLK_SCLK_BPLL, "sclk_bpll", mout_bpll_p, SRC_TOP7, 24, 1), MUX(0, "mout_epll2", mout_epll2_5800_p, SRC_TOP7, 28, 1), MUX(0, "mout_aclk550_cam", mout_group3_5800_p, SRC_TOP8, 16, 3), @@ -648,7 +658,7 @@ static const struct samsung_mux_clock exynos5x_mux_clks[] __initconst = { MUX(0, "mout_sclk_mpll", mout_mpll_p, SRC_TOP6, 0, 1), MUX(CLK_MOUT_VPLL, "mout_sclk_vpll", mout_vpll_p, SRC_TOP6, 4, 1), - MUX(0, "mout_sclk_spll", mout_spll_p, SRC_TOP6, 8, 1), + MUX(CLK_MOUT_SCLK_SPLL, "mout_sclk_spll", mout_spll_p, SRC_TOP6, 8, 1), MUX(0, "mout_sclk_ipll", mout_ipll_p, SRC_TOP6, 12, 1), MUX(0, "mout_sclk_rpll", mout_rpll_p, SRC_TOP6, 16, 1), MUX_F(CLK_MOUT_EPLL, "mout_sclk_epll", mout_epll_p, SRC_TOP6, 20, 1, @@ -806,8 +816,21 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = { "mout_aclk400_disp1", DIV_TOP2, 4, 3), /* CDREX Block */ - DIV(CLK_DOUT_PCLK_CDREX, "dout_pclk_cdrex", "dout_aclk_cdrex1", - DIV_CDREX0, 28, 3), + /* + * The three clocks below are controlled using the same register and + * bits. They are put into one because there is a need of + * synchronization between the BUS and DREXs (two external memory + * interfaces). + * They are put here to show this HW assumption and for clock + * information summary completeness. + */ + DIV_F(CLK_DOUT_PCLK_CDREX, "dout_pclk_cdrex", "dout_aclk_cdrex1", + DIV_CDREX0, 28, 3, CLK_GET_RATE_NOCACHE, 0), + DIV_F(CLK_DOUT_PCLK_DREX0, "dout_pclk_drex0", "dout_cclk_drex0", + DIV_CDREX0, 28, 3, CLK_GET_RATE_NOCACHE, 0), + DIV_F(CLK_DOUT_PCLK_DREX1, "dout_pclk_drex1", "dout_cclk_drex0", + DIV_CDREX0, 28, 3, CLK_GET_RATE_NOCACHE, 0), + DIV_F(CLK_DOUT_SCLK_CDREX, "dout_sclk_cdrex", "mout_mclk_cdrex", DIV_CDREX0, 24, 3, CLK_SET_RATE_PARENT, 0), DIV(CLK_DOUT_ACLK_CDREX1, "dout_aclk_cdrex1", "dout_clk2x_phy0", @@ -1170,6 +1193,32 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0), GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), + + /* CDREX */ + GATE(CLK_CLKM_PHY0, "clkm_phy0", "dout_sclk_cdrex", + GATE_BUS_CDREX0, 0, 0, 0), + GATE(CLK_CLKM_PHY1, "clkm_phy1", "dout_sclk_cdrex", + GATE_BUS_CDREX0, 1, 0, 0), + GATE(0, "mx_mspll_ccore_phy", "mout_mx_mspll_ccore_phy", + SRC_MASK_TOP7, 0, CLK_IGNORE_UNUSED, 0), + + GATE(CLK_ACLK_PPMU_DREX1_1, "aclk_ppmu_drex1_1", "dout_aclk_cdrex1", + GATE_BUS_CDREX1, 12, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_PPMU_DREX1_0, "aclk_ppmu_drex1_0", "dout_aclk_cdrex1", + GATE_BUS_CDREX1, 13, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_PPMU_DREX0_1, "aclk_ppmu_drex0_1", "dout_aclk_cdrex1", + GATE_BUS_CDREX1, 14, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_PPMU_DREX0_0, "aclk_ppmu_drex0_0", "dout_aclk_cdrex1", + GATE_BUS_CDREX1, 15, CLK_IGNORE_UNUSED, 0), + + GATE(CLK_PCLK_PPMU_DREX1_1, "pclk_ppmu_drex1_1", "dout_pclk_cdrex", + GATE_BUS_CDREX1, 26, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_PPMU_DREX1_0, "pclk_ppmu_drex1_0", "dout_pclk_cdrex", + GATE_BUS_CDREX1, 27, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_PPMU_DREX0_1, "pclk_ppmu_drex0_1", "dout_pclk_cdrex", + GATE_BUS_CDREX1, 28, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_PPMU_DREX0_0, "pclk_ppmu_drex0_0", "dout_pclk_cdrex", + GATE_BUS_CDREX1, 29, CLK_IGNORE_UNUSED, 0), }; static const struct samsung_div_clock exynos5x_disp_div_clks[] __initconst = { -- 2.17.1