summaryrefslogtreecommitdiffstats
path: root/drivers/soc/renesas/r8a7795-sysc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/soc/renesas/r8a7795-sysc.c')
-rw-r--r--drivers/soc/renesas/r8a7795-sysc.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/soc/renesas/r8a7795-sysc.c b/drivers/soc/renesas/r8a7795-sysc.c
new file mode 100644
index 000000000..741266618
--- /dev/null
+++ b/drivers/soc/renesas/r8a7795-sysc.c
@@ -0,0 +1,78 @@
+/*
+ * Renesas R-Car H3 System Controller
+ *
+ * Copyright (C) 2016-2017 Glider bvba
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a7795-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7795_areas[] __initdata = {
+ { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
+ { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
+ /* A2VC0 exists on ES1.x only */
+ { "a2vc0", 0x3c0, 0, R8A7795_PD_A2VC0, R8A7795_PD_A3VC },
+ { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
+ { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
+ { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
+ { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
+ { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
+};
+
+
+ /*
+ * Fixups for R-Car H3 revisions after ES1.x
+ */
+
+static const struct soc_device_attribute r8a7795es1[] __initconst = {
+ { .soc_id = "r8a7795", .revision = "ES1.*" },
+ { /* sentinel */ }
+};
+
+static int __init r8a7795_sysc_init(void)
+{
+ if (!soc_device_match(r8a7795es1))
+ rcar_sysc_nullify(r8a7795_areas, ARRAY_SIZE(r8a7795_areas),
+ R8A7795_PD_A2VC0);
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a7795_sysc_info __initconst = {
+ .init = r8a7795_sysc_init,
+ .areas = r8a7795_areas,
+ .num_areas = ARRAY_SIZE(r8a7795_areas),
+};