mfd: rk808: Permit having multiple PMIC instances

This set each cells id to PLATFORM_DEVID_NONE to allow multiple
instances of each cell in case multiple PMICs handled by the rk808
driver are probed.

This fixes probing a RK818 and a RK817 on the Odroid Go Ultra
devices.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221025-rk808-multi-v2-0-d292d51ada81@linaro.org

drivers/mfd/rk808.c

@@ -137,58 +137,64 @@ static const struct resource rk817_charger_resources[] = {
 };
 
 static const struct mfd_cell rk805s[] = {
-	{ .name = "rk808-clkout", },
-	{ .name = "rk808-regulator", },
-	{ .name = "rk805-pinctrl", },
+	{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
+	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
+	{ .name = "rk805-pinctrl", .id = PLATFORM_DEVID_NONE, },
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = &rtc_resources[0],
+		.id = PLATFORM_DEVID_NONE,
 	},
 	{	.name = "rk805-pwrkey",
 		.num_resources = ARRAY_SIZE(rk805_key_resources),
 		.resources = &rk805_key_resources[0],
+		.id = PLATFORM_DEVID_NONE,
 	},
 };
 
 static const struct mfd_cell rk808s[] = {
-	{ .name = "rk808-clkout", },
-	{ .name = "rk808-regulator", },
+	{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
+	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = rtc_resources,
+		.id = PLATFORM_DEVID_NONE,
 	},
 };
 
 static const struct mfd_cell rk817s[] = {
-	{ .name = "rk808-clkout",},
-	{ .name = "rk808-regulator",},
+	{ .name = "rk808-clkout", .id = PLATFORM_DEVID_NONE, },
+	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
 	{
 		.name = "rk805-pwrkey",
 		.num_resources = ARRAY_SIZE(rk817_pwrkey_resources),
 		.resources = &rk817_pwrkey_resources[0],
+		.id = PLATFORM_DEVID_NONE,
 	},
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rk817_rtc_resources),
 		.resources = &rk817_rtc_resources[0],
+		.id = PLATFORM_DEVID_NONE,
 	},
-	{ .name = "rk817-codec",},
+	{ .name = "rk817-codec", .id = PLATFORM_DEVID_NONE, },
 	{
 		.name = "rk817-charger",
 		.num_resources = ARRAY_SIZE(rk817_charger_resources),
 		.resources = &rk817_charger_resources[0],
+		.id = PLATFORM_DEVID_NONE,
 	},
 };
 
 static const struct mfd_cell rk818s[] = {
-	{ .name = "rk808-clkout", },
-	{ .name = "rk808-regulator", },
+	{ .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, },
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = rtc_resources,
+		.id = PLATFORM_DEVID_NONE,
 	},
 };