[PATCH v2 2/2] clk: renesas: cpg-mssr: Add support for R-Car E3

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Initial support for R-Car E3 (r8a77990), including core and module
clocks.

Based on the Table 8.2g of "R-Car Series, 3rd Generation User's Manual:
Hardware ((Rev. 0.80, Oct 31, 2017) with Manual Errata on Feb. 28, 2018".

Inspried by patches by Takeshi Kihara in the BSP.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
 .../devicetree/bindings/clock/renesas,cpg-mssr.txt |   3 +-
 drivers/clk/renesas/Kconfig                        |   5 +
 drivers/clk/renesas/Makefile                       |   1 +
 drivers/clk/renesas/r8a77990-cpg-mssr.c            | 289 +++++++++++++++++++++
 drivers/clk/renesas/renesas-cpg-mssr.c             |   6 +
 drivers/clk/renesas/renesas-cpg-mssr.h             |   1 +
 6 files changed, 304 insertions(+), 1 deletion(-)
 create mode 100644 drivers/clk/renesas/r8a77990-cpg-mssr.c

diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
index c3473df..db542ab 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
@@ -26,6 +26,7 @@ Required Properties:
       - "renesas,r8a77965-cpg-mssr" for the r8a77965 SoC (R-Car M3-N)
       - "renesas,r8a77970-cpg-mssr" for the r8a77970 SoC (R-Car V3M)
       - "renesas,r8a77980-cpg-mssr" for the r8a77980 SoC (R-Car V3H)
+      - "renesas,r8a77990-cpg-mssr" for the r8a77990 SoC (R-Car E3)
       - "renesas,r8a77995-cpg-mssr" for the r8a77995 SoC (R-Car D3)
 
   - reg: Base address and length of the memory resource used by the CPG/MSSR
@@ -36,7 +37,7 @@ Required Properties:
   - clock-names: List of external parent clock names. Valid names are:
       - "extal" (r8a7743, r8a7745, r8a77470, r8a7790, r8a7791, r8a7792,
 		 r8a7793, r8a7794, r8a7795, r8a7796, r8a77965, r8a77970,
-		 r8a77980, r8a77995)
+		 r8a77980, r8a77990, r8a77995)
       - "extalr" (r8a7795, r8a7796, r8a77965, r8a77970, r8a77980)
       - "usb_extal" (r8a7743, r8a7745, r8a77470, r8a7790, r8a7791, r8a7793,
 		     r8a7794)
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index f32896fa..f9ba71311 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -19,6 +19,7 @@ config CLK_RENESAS
 	select CLK_R8A77965 if ARCH_R8A77965
 	select CLK_R8A77970 if ARCH_R8A77970
 	select CLK_R8A77980 if ARCH_R8A77980
+	select CLK_R8A77990 if ARCH_R8A77990
 	select CLK_R8A77995 if ARCH_R8A77995
 	select CLK_SH73A0 if ARCH_SH73A0
 
@@ -116,6 +117,10 @@ config CLK_R8A77980
 	bool "R-Car V3H clock support" if COMPILE_TEST
 	select CLK_RCAR_GEN3_CPG
 
+config CLK_R8A77990
+	bool "R-Car E3 clock support" if COMPILE_TEST
+	select CLK_RCAR_GEN3_CPG
+
 config CLK_R8A77995
 	bool "R-Car D3 clock support" if COMPILE_TEST
 	select CLK_RCAR_GEN3_CPG
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index a4edea9..fe5bac9 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_CLK_R8A7796)		+= r8a7796-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A77965)		+= r8a77965-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A77970)		+= r8a77970-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A77980)		+= r8a77980-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A77990)		+= r8a77990-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A77995)		+= r8a77995-cpg-mssr.o
 obj-$(CONFIG_CLK_SH73A0)		+= clk-sh73a0.o
 
diff --git a/drivers/clk/renesas/r8a77990-cpg-mssr.c b/drivers/clk/renesas/r8a77990-cpg-mssr.c
new file mode 100644
index 0000000..bf439e2
--- /dev/null
+++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c
@@ -0,0 +1,289 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * r8a77990 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on r8a7795-cpg-mssr.c
+ *
+ * Copyright (C) 2015 Glider bvba
+ * Copyright (C) 2015 Renesas Electronics Corp.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a77990-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen3-cpg.h"
+
+enum clk_ids {
+	/* Core Clock Outputs exported to DT */
+	LAST_DT_CORE_CLK = R8A77990_CLK_CPEX,
+
+	/* External Input Clocks */
+	CLK_EXTAL,
+
+	/* Internal Core Clocks */
+	CLK_MAIN,
+	CLK_PLL0,
+	CLK_PLL1,
+	CLK_PLL3,
+	CLK_PLL0D4,
+	CLK_PLL0D6,
+	CLK_PLL0D8,
+	CLK_PLL0D20,
+	CLK_PLL0D24,
+	CLK_PLL1D2,
+	CLK_PE,
+	CLK_S0,
+	CLK_S1,
+	CLK_S2,
+	CLK_S3,
+	CLK_SDSRC,
+
+	/* Module Clocks */
+	MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a77990_core_clks[] __initconst = {
+	/* External Clock Inputs */
+	DEF_INPUT("extal",     CLK_EXTAL),
+
+	/* Internal Core Clocks */
+	DEF_BASE(".main",      CLK_MAIN, CLK_TYPE_GEN3_MAIN,       CLK_EXTAL),
+	DEF_BASE(".pll1",      CLK_PLL1, CLK_TYPE_GEN3_PLL1,       CLK_MAIN),
+	DEF_BASE(".pll3",      CLK_PLL3, CLK_TYPE_GEN3_PLL3,       CLK_MAIN),
+
+	DEF_FIXED(".pll0",     CLK_PLL0,           CLK_MAIN,	   1, 100),
+	DEF_FIXED(".pll0d4",   CLK_PLL0D4,         CLK_PLL0,       4, 1),
+	DEF_FIXED(".pll0d6",   CLK_PLL0D6,         CLK_PLL0,       6, 1),
+	DEF_FIXED(".pll0d8",   CLK_PLL0D8,         CLK_PLL0,       8, 1),
+	DEF_FIXED(".pll0d20",  CLK_PLL0D20,        CLK_PLL0,      20, 1),
+	DEF_FIXED(".pll0d24",  CLK_PLL0D24,        CLK_PLL0,      24, 1),
+	DEF_FIXED(".pll1d2",   CLK_PLL1D2,         CLK_PLL1,       2, 1),
+	DEF_FIXED(".pe",       CLK_PE,             CLK_PLL0D20,    1, 1),
+	DEF_FIXED(".s0",       CLK_S0,             CLK_PLL1,       2, 1),
+	DEF_FIXED(".s1",       CLK_S1,             CLK_PLL1,       3, 1),
+	DEF_FIXED(".s2",       CLK_S2,             CLK_PLL1,       4, 1),
+	DEF_FIXED(".s3",       CLK_S3,             CLK_PLL1,       6, 1),
+	DEF_FIXED(".sdsrc",    CLK_SDSRC,          CLK_PLL1,       2, 1),
+
+	/* Core Clock Outputs */
+	DEF_FIXED("za2",       R8A77990_CLK_ZA2,   CLK_PLL0D24,    1, 1),
+	DEF_FIXED("za8",       R8A77990_CLK_ZA8,   CLK_PLL0D8,     1, 1),
+	DEF_FIXED("ztr",       R8A77990_CLK_ZTR,   CLK_PLL1,       6, 1),
+	DEF_FIXED("zt",        R8A77990_CLK_ZT,    CLK_PLL1,       4, 1),
+	DEF_FIXED("zx",        R8A77990_CLK_ZX,    CLK_PLL1,       3, 1),
+	DEF_FIXED("s0d1",      R8A77990_CLK_S0D1,  CLK_S0,         1, 1),
+	DEF_FIXED("s0d3",      R8A77990_CLK_S0D3,  CLK_S0,         3, 1),
+	DEF_FIXED("s0d6",      R8A77990_CLK_S0D6,  CLK_S0,         6, 1),
+	DEF_FIXED("s0d12",     R8A77990_CLK_S0D12, CLK_S0,        12, 1),
+	DEF_FIXED("s0d24",     R8A77990_CLK_S0D24, CLK_S0,        24, 1),
+	DEF_FIXED("s1d1",      R8A77990_CLK_S1D1,  CLK_S1,         1, 1),
+	DEF_FIXED("s1d2",      R8A77990_CLK_S1D2,  CLK_S1,         2, 1),
+	DEF_FIXED("s1d4",      R8A77990_CLK_S1D4,  CLK_S1,         4, 1),
+	DEF_FIXED("s2d1",      R8A77990_CLK_S2D1,  CLK_S2,         1, 1),
+	DEF_FIXED("s2d2",      R8A77990_CLK_S2D2,  CLK_S2,         2, 1),
+	DEF_FIXED("s2d4",      R8A77990_CLK_S2D4,  CLK_S2,         4, 1),
+	DEF_FIXED("s3d1",      R8A77990_CLK_S3D1,  CLK_S3,         1, 1),
+	DEF_FIXED("s3d2",      R8A77990_CLK_S3D2,  CLK_S3,         2, 1),
+	DEF_FIXED("s3d4",      R8A77990_CLK_S3D4,  CLK_S3,         4, 1),
+
+	DEF_GEN3_SD("sd0",     R8A77990_CLK_SD0,   CLK_SDSRC,	  0x0074),
+	DEF_GEN3_SD("sd1",     R8A77990_CLK_SD1,   CLK_SDSRC,	  0x0078),
+	DEF_GEN3_SD("sd3",     R8A77990_CLK_SD3,   CLK_SDSRC,	  0x026c),
+
+	DEF_FIXED("cl",        R8A77990_CLK_CL,    CLK_PLL1,      48, 1),
+	DEF_FIXED("cp",        R8A77990_CLK_CP,    CLK_EXTAL,      2, 1),
+	DEF_FIXED("cpex",      R8A77990_CLK_CPEX,  CLK_EXTAL,      4, 1),
+	DEF_FIXED("osc",       R8A77990_CLK_OSC,   CLK_EXTAL,    384, 1),
+	DEF_FIXED("r",         R8A77990_CLK_R,     CLK_EXTAL,   1536, 1),
+
+	DEF_GEN3_PE("s0d6c",   R8A77990_CLK_S0D6C, CLK_S0, 6, CLK_PE, 2),
+	DEF_GEN3_PE("s3d1c",   R8A77990_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1),
+	DEF_GEN3_PE("s3d2c",   R8A77990_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2),
+	DEF_GEN3_PE("s3d4c",   R8A77990_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4),
+
+	DEF_DIV6P1("canfd",    R8A77990_CLK_CANFD, CLK_PLL0D6, 0x244),
+	DEF_DIV6P1("csi0",     R8A77990_CLK_CSI0,  CLK_PLL1D2, 0x00c),
+	DEF_DIV6P1("mso",      R8A77990_CLK_MSO,   CLK_PLL1D2, 0x014),
+};
+
+static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = {
+	DEF_MOD("scif5",		 202,	R8A77990_CLK_S3D4C),
+	DEF_MOD("scif4",		 203,	R8A77990_CLK_S3D4C),
+	DEF_MOD("scif3",		 204,	R8A77990_CLK_S3D4C),
+	DEF_MOD("scif1",		 206,	R8A77990_CLK_S3D4C),
+	DEF_MOD("scif0",		 207,	R8A77990_CLK_S3D4C),
+	DEF_MOD("msiof3",		 208,	R8A77990_CLK_MSO),
+	DEF_MOD("msiof2",		 209,	R8A77990_CLK_MSO),
+	DEF_MOD("msiof1",		 210,	R8A77990_CLK_MSO),
+	DEF_MOD("msiof0",		 211,	R8A77990_CLK_MSO),
+	DEF_MOD("sys-dmac2",		 217,	R8A77990_CLK_S3D1),
+	DEF_MOD("sys-dmac1",		 218,	R8A77990_CLK_S3D1),
+	DEF_MOD("sys-dmac0",		 219,	R8A77990_CLK_S3D1),
+
+	DEF_MOD("cmt3",			 300,	R8A77990_CLK_R),
+	DEF_MOD("cmt2",			 301,	R8A77990_CLK_R),
+	DEF_MOD("cmt1",			 302,	R8A77990_CLK_R),
+	DEF_MOD("cmt0",			 303,	R8A77990_CLK_R),
+	DEF_MOD("scif2",		 310,	R8A77990_CLK_S3D4C),
+	DEF_MOD("sdif3",		 311,	R8A77990_CLK_SD3),
+	DEF_MOD("sdif1",		 313,	R8A77990_CLK_SD1),
+	DEF_MOD("sdif0",		 314,	R8A77990_CLK_SD0),
+	DEF_MOD("pcie0",		 319,	R8A77990_CLK_S3D1),
+	DEF_MOD("usb3-if0",		 328,	R8A77990_CLK_S3D1),
+	DEF_MOD("usb-dmac0",		 330,	R8A77990_CLK_S3D1),
+	DEF_MOD("usb-dmac1",		 331,	R8A77990_CLK_S3D1),
+
+	DEF_MOD("rwdt",			 402,	R8A77990_CLK_R),
+	DEF_MOD("intc-ex",		 407,	R8A77990_CLK_CP),
+	DEF_MOD("intc-ap",		 408,	R8A77990_CLK_S0D3),
+
+	DEF_MOD("audmac0",		 502,	R8A77990_CLK_S3D4),
+	DEF_MOD("drif7",		 508,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif6",		 509,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif5",		 510,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif4",		 511,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif3",		 512,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif2",		 513,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif1",		 514,	R8A77990_CLK_S3D2),
+	DEF_MOD("drif0",		 515,	R8A77990_CLK_S3D2),
+	DEF_MOD("hscif4",		 516,	R8A77990_CLK_S3D1C),
+	DEF_MOD("hscif3",		 517,	R8A77990_CLK_S3D1C),
+	DEF_MOD("hscif2",		 518,	R8A77990_CLK_S3D1C),
+	DEF_MOD("hscif1",		 519,	R8A77990_CLK_S3D1C),
+	DEF_MOD("hscif0",		 520,	R8A77990_CLK_S3D1C),
+	DEF_MOD("thermal",		 522,	R8A77990_CLK_CP),
+	DEF_MOD("pwm",			 523,	R8A77990_CLK_S3D4C),
+
+	DEF_MOD("fcpvd1",		 602,	R8A77990_CLK_S1D2),
+	DEF_MOD("fcpvd0",		 603,	R8A77990_CLK_S1D2),
+	DEF_MOD("fcpvb0",		 607,	R8A77990_CLK_S0D1),
+	DEF_MOD("fcpvi0",		 611,	R8A77990_CLK_S0D1),
+	DEF_MOD("fcpf0",		 615,	R8A77990_CLK_S0D1),
+	DEF_MOD("fcpcs",		 619,	R8A77990_CLK_S0D1),
+	DEF_MOD("vspd1",		 622,	R8A77990_CLK_S1D2),
+	DEF_MOD("vspd0",		 623,	R8A77990_CLK_S1D2),
+	DEF_MOD("vspb",			 626,	R8A77990_CLK_S0D1),
+	DEF_MOD("vspi0",		 631,	R8A77990_CLK_S0D1),
+
+	DEF_MOD("ehci0",		 703,	R8A77990_CLK_S3D4),
+	DEF_MOD("hsusb",		 704,	R8A77990_CLK_S3D4),
+	DEF_MOD("csi40",		 716,	R8A77990_CLK_CSI0),
+	DEF_MOD("du1",			 723,	R8A77990_CLK_S2D1),
+	DEF_MOD("du0",			 724,	R8A77990_CLK_S2D1),
+	DEF_MOD("lvds",			 727,	R8A77990_CLK_S2D1),
+
+	DEF_MOD("vin5",			 806,	R8A77990_CLK_S1D2),
+	DEF_MOD("vin4",			 807,	R8A77990_CLK_S1D2),
+	DEF_MOD("etheravb",		 812,	R8A77990_CLK_S3D2),
+
+	DEF_MOD("gpio6",		 906,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio5",		 907,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio4",		 908,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio3",		 909,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio2",		 910,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio1",		 911,	R8A77990_CLK_S3D4),
+	DEF_MOD("gpio0",		 912,	R8A77990_CLK_S3D4),
+	DEF_MOD("can-fd",		 914,	R8A77990_CLK_S3D2),
+	DEF_MOD("can-if1",		 915,	R8A77990_CLK_S3D4),
+	DEF_MOD("can-if0",		 916,	R8A77990_CLK_S3D4),
+	DEF_MOD("i2c6",			 918,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c5",			 919,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c-dvfs",		 926,	R8A77990_CLK_CP),
+	DEF_MOD("i2c4",			 927,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c3",			 928,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c2",			 929,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c1",			 930,	R8A77990_CLK_S3D2),
+	DEF_MOD("i2c0",			 931,	R8A77990_CLK_S3D2),
+
+	DEF_MOD("ssi-all",		1005,	R8A77990_CLK_S3D4),
+	DEF_MOD("ssi9",			1006,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi8",			1007,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi7",			1008,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi6",			1009,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi5",			1010,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi4",			1011,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi3",			1012,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi2",			1013,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi1",			1014,	MOD_CLK_ID(1005)),
+	DEF_MOD("ssi0",			1015,	MOD_CLK_ID(1005)),
+	DEF_MOD("scu-all",		1017,	R8A77990_CLK_S3D4),
+	DEF_MOD("scu-dvc1",		1018,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-dvc0",		1019,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-ctu1-mix1",	1020,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-ctu0-mix0",	1021,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src9",		1022,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src8",		1023,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src7",		1024,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src6",		1025,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src5",		1026,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src4",		1027,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src3",		1028,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src2",		1029,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src1",		1030,	MOD_CLK_ID(1017)),
+	DEF_MOD("scu-src0",		1031,	MOD_CLK_ID(1017)),
+};
+
+static const unsigned int r8a77990_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD19		EXTAL (MHz)	PLL0		PLL1		PLL3
+ *--------------------------------------------------------------------
+ * 0		48 x 1		x100/4		x100/3		x100/3
+ * 1		48 x 1		x100/4		x100/3		 x58/3
+ */
+#define CPG_PLL_CONFIG_INDEX(md)	(((md) & BIT(19)) >> 19)
+
+static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = {
+	/* EXTAL div	PLL1 mult/div	PLL3 mult/div */
+	{ 1,		100,	3,	100,	3,	},
+	{ 1,		100,	3,	 58,	3,	},
+};
+
+static int __init r8a77990_cpg_mssr_init(struct device *dev)
+{
+	const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
+	u32 cpg_mode;
+	int error;
+
+	error = rcar_rst_read_mode_pins(&cpg_mode);
+	if (error)
+		return error;
+
+	cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+
+	return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a77990_cpg_mssr_info __initconst = {
+	/* Core Clocks */
+	.core_clks = r8a77990_core_clks,
+	.num_core_clks = ARRAY_SIZE(r8a77990_core_clks),
+	.last_dt_core_clk = LAST_DT_CORE_CLK,
+	.num_total_core_clks = MOD_CLK_BASE,
+
+	/* Module Clocks */
+	.mod_clks = r8a77990_mod_clks,
+	.num_mod_clks = ARRAY_SIZE(r8a77990_mod_clks),
+	.num_hw_mod_clks = 12 * 32,
+
+	/* Critical Module Clocks */
+	.crit_mod_clks = r8a77990_crit_mod_clks,
+	.num_crit_mod_clks = ARRAY_SIZE(r8a77990_crit_mod_clks),
+
+	/* Callbacks */
+	.init = r8a77990_cpg_mssr_init,
+	.cpg_clk_register = rcar_gen3_cpg_clk_register,
+};
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 2c467f9..49e5106 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -717,6 +717,12 @@ static inline int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv)
 		.data = &r8a77980_cpg_mssr_info,
 	},
 #endif
+#ifdef CONFIG_CLK_R8A77990
+	{
+		.compatible = "renesas,r8a77990-cpg-mssr",
+		.data = &r8a77990_cpg_mssr_info,
+	},
+#endif
 #ifdef CONFIG_CLK_R8A77995
 	{
 		.compatible = "renesas,r8a77995-cpg-mssr",
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h
index efe2a14..642f720 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.h
+++ b/drivers/clk/renesas/renesas-cpg-mssr.h
@@ -143,6 +143,7 @@ struct cpg_mssr_info {
 extern const struct cpg_mssr_info r8a77965_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a77970_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a77980_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a77990_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a77995_cpg_mssr_info;
 
 
-- 
1.9.1

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