From 43f7f1100393e533d2ea4f071c1d66544435e583 Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Sun, 25 Feb 2018 20:43:33 +0000
Subject: [PATCH] Add RK805 support.

---
 sys/dev/fdt/rkpmic.c | 43 ++++++++++++++++++++++++++++++++-----------
 1 file changed, 32 insertions(+), 11 deletions(-)

diff --git a/sys/dev/fdt/rkpmic.c b/sys/dev/fdt/rkpmic.c
index 8ccf41af636..9c7bf5bf55a 100644
--- a/sys/dev/fdt/rkpmic.c
+++ b/sys/dev/fdt/rkpmic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkpmic.c,v 1.3 2017/11/18 20:29:51 kettenis Exp $	*/
+/*	$OpenBSD: rkpmic.c,v 1.4 2018/02/25 20:43:33 kettenis Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -50,6 +50,16 @@ struct rkpmic_regdata {
 	uint32_t base, delta;
 };
 
+struct rkpmic_regdata rk805_regdata[] = {
+	{ "DCDC_REG1", 0x2f, 0x3f, 712500, 12500 },
+	{ "DCDC_REG2", 0x33, 0x3f, 712500, 12500 },
+	{ "DCDC_REG4", 0x38, 0x1f, 800000, 100000 },
+	{ "LDO_REG1", 0x3b, 0x1f, 800000, 100000 },
+	{ "LDO_REG2", 0x3d, 0x1f, 800000, 100000 },
+	{ "LDO_REG3", 0x3f, 0x1f, 800000, 100000 },
+	{ }
+};
+
 struct rkpmic_regdata rk808_regdata[] = {
 	{ "DCDC_REG1", 0x2f, 0x3f, 712500, 12500 },
 	{ "DCDC_REG2", 0x33, 0x3f, 712500, 12500 },
@@ -62,6 +72,7 @@ struct rkpmic_regdata rk808_regdata[] = {
 	{ "LDO_REG6", 0x45, 0x1f, 800000, 100000 },
 	{ "LDO_REG7", 0x47, 0x1f, 800000, 100000 },
 	{ "LDO_REG8", 0x49, 0x1f, 1800000, 100000 },
+	{ }
 };
 
 struct rkpmic_softc {
@@ -70,6 +81,7 @@ struct rkpmic_softc {
 	i2c_addr_t sc_addr;
 
 	struct todr_chip_handle sc_todr;
+	struct rkpmic_regdata *sc_regdata;
 };
 
 int	rkpmic_match(struct device *, void *, void *);
@@ -97,7 +109,8 @@ rkpmic_match(struct device *parent, void *match, void *aux)
 	struct i2c_attach_args *ia = aux;
 	int node = *(int *)ia->ia_cookie;
 
-	return (OF_is_compatible(node, "rockchip,rk808"));
+	return (OF_is_compatible(node, "rockchip,rk805") ||
+		OF_is_compatible(node, "rockchip,rk808"));
 }
 
 void
@@ -106,17 +119,25 @@ rkpmic_attach(struct device *parent, struct device *self, void *aux)
 	struct rkpmic_softc *sc = (struct rkpmic_softc *)self;
 	struct i2c_attach_args *ia = aux;
 	int node = *(int *)ia->ia_cookie;
+	const char *chip;
 
 	sc->sc_tag = ia->ia_tag;
 	sc->sc_addr = ia->ia_addr;
 
-	printf("\n");
-
 	sc->sc_todr.cookie = sc;
 	sc->sc_todr.todr_gettime = rkpmic_gettime;
 	sc->sc_todr.todr_settime = rkpmic_settime;
 	todr_handle = &sc->sc_todr;
 
+	if (OF_is_compatible(node, "rockchip,rk805")) {
+		chip = "RK805";
+		sc->sc_regdata = rk805_regdata;
+	} else {
+		chip = "RK808";
+		sc->sc_regdata = rk808_regdata;
+	}
+	printf(": %s\n", chip);
+
 	node = OF_getnodebyname(node, "regulators");
 	if (node == 0)
 		return;
@@ -145,20 +166,20 @@ rkpmic_attach_regulator(struct rkpmic_softc *sc, int node)
 	name[0] = 0;
 	OF_getprop(node, "name", name, sizeof(name));
 	name[sizeof(name) - 1] = 0;
-	for (i = 0; i < nitems(rk808_regdata); i++) {
-		if (strcmp(rk808_regdata[i].name, name) == 0)
+	for (i = 0; sc->sc_regdata[i].name; i++) {
+		if (strcmp(sc->sc_regdata[i].name, name) == 0)
 			break;
 	}
-	if (i == nitems(rk808_regdata))
+	if (sc->sc_regdata[i].name == NULL)
 		return;
 
 	rr = malloc(sizeof(*rr), M_DEVBUF, M_WAITOK | M_ZERO);
 	rr->rr_sc = sc;
 
-	rr->rr_reg = rk808_regdata[i].reg;
-	rr->rr_mask = rk808_regdata[i].mask;
-	rr->rr_base = rk808_regdata[i].base;
-	rr->rr_delta = rk808_regdata[i].delta;
+	rr->rr_reg = sc->sc_regdata[i].reg;
+	rr->rr_mask = sc->sc_regdata[i].mask;
+	rr->rr_base = sc->sc_regdata[i].base;
+	rr->rr_delta = sc->sc_regdata[i].delta;
 
 	rr->rr_rd.rd_node = node;
 	rr->rr_rd.rd_cookie = rr;
-- 
2.20.1