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From:   Lukasz Luba <l.luba@partner.samsung.com>
To:     devicetree@vger.kernel.org
Cc:     b.zolnierkie@samsung.com, myungjoo.ham@samsung.com,
        krzk@kernel.org, Lukasz Luba <l.luba@partner.samsung.com>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>, Kukjin Kim <kgene@kernel.org>,
        linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/8] clk: samsung: add new clocks for DMC for Exynos5422 SoC
Date:   Mon, 28 Jan 2019 20:21:33 +0100
Message-Id: <1548703299-15806-3-git-send-email-l.luba@partner.samsung.com>
In-Reply-To: <1548703299-15806-1-git-send-email-l.luba@partner.samsung.com>
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References: <1548703299-15806-1-git-send-email-l.luba@partner.samsung.com>
        <CGME20190128192151eucas1p1d5ad3a851ffc8b56a7a62febdb6d5677@eucas1p1.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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.

CC: Sylwester Nawrocki <s.nawrocki@samsung.com>
CC: Chanwoo Choi <cw00.choi@samsung.com>
CC: Michael Turquette <mturquette@baylibre.com>
CC: Stephen Boyd <sboyd@kernel.org>
CC: Kukjin Kim <kgene@kernel.org>
CC: Krzysztof Kozlowski <krzk@kernel.org>
CC: linux-samsung-soc@vger.kernel.org
CC: linux-clk@vger.kernel.org
CC: linux-arm-kernel@lists.infradead.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---
 drivers/clk/samsung/clk-exynos5420.c | 48 +++++++++++++++++++++++++++++++++---
 1 file changed, 44 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 34cce3c..3e87421 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -132,6 +132,8 @@
 #define BPLL_LOCK		0x20010
 #define BPLL_CON0		0x20110
 #define SRC_CDREX		0x20200
+#define GATE_BUS_CDREX0		0x20700
+#define GATE_BUS_CDREX1		0x20704
 #define DIV_CDREX0		0x20500
 #define DIV_CDREX1		0x20504
 #define KPLL_LOCK		0x28000
@@ -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 +429,10 @@ 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_dpll_ctrl",
+					"mout_mpll_ctrl", "ff_dout_spll2",
+					"mout_sclk_spll"};
+
 
 /* fixed rate clocks generated outside the soc */
 static struct samsung_fixed_rate_clock
@@ -450,7 +458,7 @@ 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 +480,14 @@ 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 +659,7 @@ 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,
@@ -814,9 +825,13 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = {
 			DIV_CDREX0, 16, 3),
 	DIV(CLK_DOUT_CCLK_DREX0, "dout_cclk_drex0", "dout_clk2x_phy0",
 			DIV_CDREX0, 8, 3),
+	DIV(0, "dout_cclk_drex1", "dout_clk2x_phy0", DIV_CDREX0, 8, 3),
 	DIV(CLK_DOUT_CLK2X_PHY0, "dout_clk2x_phy0", "dout_sclk_cdrex",
 			DIV_CDREX0, 3, 5),
 
+	DIV(0, "dout_pclk_drex0", "dout_cclk_drex0", DIV_CDREX0, 28, 3),
+	DIV(0, "dout_pclk_drex1", "dout_cclk_drex1", DIV_CDREX0, 28, 3),
+
 	DIV(CLK_DOUT_PCLK_CORE_MEM, "dout_pclk_core_mem", "mout_mclk_cdrex",
 			DIV_CDREX1, 8, 3),
 
@@ -1170,6 +1185,31 @@ 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),
+
+	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_DREX0_0, "aclk_ppmu_drex0_0", "dout_aclk_cdrex1",
+			GATE_BUS_CDREX1, 15, 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_DREX1_0, "aclk_ppmu_drex1_0", "dout_aclk_cdrex1",
+			GATE_BUS_CDREX1, 13, 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_PCLK_PPMU_DREX0_0, "pclk_ppmu_drex0_0", "dout_pclk_cdrex",
+			GATE_BUS_CDREX1, 29, 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_DREX1_0, "pclk_ppmu_drex1_0", "dout_pclk_cdrex",
+			GATE_BUS_CDREX1, 27, 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),
 };
 
 static const struct samsung_div_clock exynos5x_disp_div_clks[] __initconst = {
-- 
2.7.4