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Commit f37d211c authored by Fabrizio Castro's avatar Fabrizio Castro Committed by Simon Horman
Browse files

soc: renesas: rcar-sysc: Add r8a774c0 support 



Add support for the RZ/G2E (R8A774C0) SoC power areas to the
R-Car SYSC driver.

Signed-off-by: default avatarFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: default avatarBiju Das <biju.das@bp.renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 39dc9a10

drivers/soc/renesas/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ config SOC_RENESAS 
	select SYSC_R8A7745 if ARCH_R8A7745

	select SYSC_R8A77470 if ARCH_R8A77470

	select SYSC_R8A774A1 if ARCH_R8A774A1

	select SYSC_R8A774C0 if ARCH_R8A774C0

	select SYSC_R8A7779 if ARCH_R8A7779

	select SYSC_R8A7790 if ARCH_R8A7790

	select SYSC_R8A7791 if ARCH_R8A7791 || ARCH_R8A7793
@@ -43,6 +44,10 @@ config SYSC_R8A774A1 
	bool "RZ/G2M System Controller support" if COMPILE_TEST

	select SYSC_RCAR



config SYSC_R8A774C0

	bool "RZ/G2E System Controller support" if COMPILE_TEST

	select SYSC_RCAR



config SYSC_R8A7779

	bool "R-Car H1 System Controller support" if COMPILE_TEST

	select SYSC_RCAR

drivers/soc/renesas/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o 
obj-$(CONFIG_SYSC_R8A7745)	+= r8a7745-sysc.o

obj-$(CONFIG_SYSC_R8A77470)	+= r8a77470-sysc.o

obj-$(CONFIG_SYSC_R8A774A1)	+= r8a774a1-sysc.o

obj-$(CONFIG_SYSC_R8A774C0)	+= r8a774c0-sysc.o

obj-$(CONFIG_SYSC_R8A7779)	+= r8a7779-sysc.o

obj-$(CONFIG_SYSC_R8A7790)	+= r8a7790-sysc.o

obj-$(CONFIG_SYSC_R8A7791)	+= r8a7791-sysc.o

drivers/soc/renesas/r8a774c0-sysc.c

0 → 100644
+68 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Renesas RZ/G2E System Controller

 * Copyright (C) 2018 Renesas Electronics Corp.

 *

 * Based on Renesas R-Car E3 System Controller

 */



#include <linux/bug.h>

#include <linux/kernel.h>

#include <linux/sys_soc.h>



#include <dt-bindings/power/r8a774c0-sysc.h>



#include "rcar-sysc.h"



static struct rcar_sysc_area r8a774c0_areas[] __initdata = {

	{ "always-on",	    0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },

	{ "ca53-scu",	0x140, 0, R8A774C0_PD_CA53_SCU,  R8A774C0_PD_ALWAYS_ON,

	  PD_SCU },

	{ "ca53-cpu0",	0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,

	  PD_CPU_NOCR },

	{ "ca53-cpu1",	0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,

	  PD_CPU_NOCR },

	{ "a3vc",	0x380, 0, R8A774C0_PD_A3VC,	R8A774C0_PD_ALWAYS_ON },

	{ "a2vc1",	0x3c0, 1, R8A774C0_PD_A2VC1,	R8A774C0_PD_A3VC },

	{ "3dg-a",	0x100, 0, R8A774C0_PD_3DG_A,	R8A774C0_PD_ALWAYS_ON },

	{ "3dg-b",	0x100, 1, R8A774C0_PD_3DG_B,	R8A774C0_PD_3DG_A },

};



static void __init rcar_sysc_fix_parent(struct rcar_sysc_area *areas,

					unsigned int num_areas, u8 id,

					int new_parent)

{

	unsigned int i;



	for (i = 0; i < num_areas; i++)

		if (areas[i].isr_bit == id) {

			areas[i].parent = new_parent;

			return;

		}

}



/* Fixups for RZ/G2E ES1.0 revision */

static const struct soc_device_attribute r8a774c0[] __initconst = {

	{ .soc_id = "r8a774c0", .revision = "ES1.0" },

	{ /* sentinel */ }

};



static int __init r8a774c0_sysc_init(void)

{

	if (soc_device_match(r8a774c0)) {

		rcar_sysc_fix_parent(r8a774c0_areas,

				     ARRAY_SIZE(r8a774c0_areas),

				     R8A774C0_PD_3DG_A, R8A774C0_PD_3DG_B);

		rcar_sysc_fix_parent(r8a774c0_areas,

				     ARRAY_SIZE(r8a774c0_areas),

				     R8A774C0_PD_3DG_B, R8A774C0_PD_ALWAYS_ON);

	}



	return 0;

}



const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {

	.init = r8a774c0_sysc_init,

	.areas = r8a774c0_areas,

	.num_areas = ARRAY_SIZE(r8a774c0_areas),

};

drivers/soc/renesas/rcar-sysc.c

+3 −0
Original line number Diff line number Diff line
@@ -275,6 +275,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = { 
#ifdef CONFIG_SYSC_R8A774A1

	{ .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },

#endif

#ifdef CONFIG_SYSC_R8A774C0

	{ .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },

#endif

#ifdef CONFIG_SYSC_R8A7779

	{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },

#endif

drivers/soc/renesas/rcar-sysc.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ extern const struct rcar_sysc_info r8a7743_sysc_info; 
extern const struct rcar_sysc_info r8a7745_sysc_info;

extern const struct rcar_sysc_info r8a77470_sysc_info;

extern const struct rcar_sysc_info r8a774a1_sysc_info;

extern const struct rcar_sysc_info r8a774c0_sysc_info;

extern const struct rcar_sysc_info r8a7779_sysc_info;

extern const struct rcar_sysc_info r8a7790_sysc_info;

extern const struct rcar_sysc_info r8a7791_sysc_info;