soc: renesas: r8a779g0-sysc: Add r8a779g0 support

Add support for R-Car V4H (R8A779G0) SoC power areas and register
access.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220420084255.375700-10-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 63477f0..4bdb8d9 100644 (file)
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -385,6 +385,10 @@ config SYSC_R8A779A0
        bool "System Controller support for R-Car V3U" if COMPILE_TEST
        select SYSC_RCAR_GEN4
 
+config SYSC_R8A779G0
+       bool "System Controller support for R-Car V4H" if COMPILE_TEST
+       select SYSC_RCAR_GEN4
+
 config SYSC_RMOBILE
        bool "System Controller support for R-Mobile" if COMPILE_TEST
 

diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index deeb41f..535868c 100644 (file)
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_SYSC_R8A77990)   += r8a77990-sysc.o
 obj-$(CONFIG_SYSC_R8A77995)    += r8a77995-sysc.o
 obj-$(CONFIG_SYSC_R8A779A0)    += r8a779a0-sysc.o
 obj-$(CONFIG_SYSC_R8A779F0)    += r8a779f0-sysc.o
+obj-$(CONFIG_SYSC_R8A779G0)    += r8a779g0-sysc.o
 ifdef CONFIG_SMP
 obj-$(CONFIG_ARCH_R9A06G032)   += r9a06g032-smp.o
 endif

diff --git a/drivers/soc/renesas/r8a779g0-sysc.c b/drivers/soc/renesas/r8a779g0-sysc.c
new file mode 100644 (file)
index 0000000..a452709
--- /dev/null
+++ b/drivers/soc/renesas/r8a779g0-sysc.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V4H System Controller
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779g0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
+       { "always-on",  R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+       { "a3e0",       R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
+       { "a2e0d0",     R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
+       { "a2e0d1",     R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
+       { "a1e0d0c0",   R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+       { "a1e0d0c1",   R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+       { "a1e0d1c0",   R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+       { "a1e0d1c1",   R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+       { "a33dga",     R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
+       { "a23dgb",     R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
+       { "a3vip0",     R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
+       { "a3vip1",     R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
+       { "a3vip2",     R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
+       { "a3isp0",     R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
+       { "a3isp1",     R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
+       { "a3ir",       R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
+       { "a2cn0",      R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
+       { "a1cnn0",     R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
+       { "a1dsp0",     R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
+       { "a1dsp1",     R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
+       { "a1dsp2",     R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
+       { "a1dsp3",     R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
+       { "a2imp01",    R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
+       { "a2imp23",    R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
+       { "a2psc",      R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
+       { "a2dma",      R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
+       { "a2cv0",      R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
+       { "a2cv1",      R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
+       { "a2cv2",      R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
+       { "a2cv3",      R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
+};
+
+const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
+       .areas = r8a779g0_areas,
+       .num_areas = ARRAY_SIZE(r8a779g0_areas),
+};

diff --git a/drivers/soc/renesas/rcar-gen4-sysc.c b/drivers/soc/renesas/rcar-gen4-sysc.c
index 831162a..9e5e6e0 100644 (file)
--- a/drivers/soc/renesas/rcar-gen4-sysc.c
+++ b/drivers/soc/renesas/rcar-gen4-sysc.c
@@ -282,6 +282,9 @@ static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
 #ifdef CONFIG_SYSC_R8A779F0
        { .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
 #endif
+#ifdef CONFIG_SYSC_R8A779G0
+       { .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
+#endif
        { /* sentinel */ }
 };
 

diff --git a/drivers/soc/renesas/rcar-gen4-sysc.h b/drivers/soc/renesas/rcar-gen4-sysc.h
index 0e0bd10..fe2d982 100644 (file)
--- a/drivers/soc/renesas/rcar-gen4-sysc.h
+++ b/drivers/soc/renesas/rcar-gen4-sysc.h
@@ -39,5 +39,6 @@ struct rcar_gen4_sysc_info {
 
 extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
 extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
 
 #endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */