9 files changed, 34 insertions, 7 deletions

diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 88b4d6a792c1..7d73f7f4202b 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # au1000-style gpio and interrupt controllers
 config ALCHEMY_GPIOINT_AU1000
 	bool
diff --git a/arch/mips/alchemy/board-gpr.c b/arch/mips/alchemy/board-gpr.c
index 6fb6b3faa158..328d697e72b4 100644
--- a/arch/mips/alchemy/board-gpr.c
+++ b/arch/mips/alchemy/board-gpr.c
@@ -30,6 +30,7 @@
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/i2c-gpio.h>
+#include <linux/gpio/machine.h>
 #include <asm/bootinfo.h>
 #include <asm/idle.h>
 #include <asm/reboot.h>
@@ -218,10 +219,27 @@ static struct platform_device gpr_led_devices = {
 /*
  * I2C
  */
+static struct gpiod_lookup_table gpr_i2c_gpiod_table = {
+	.dev_id = "i2c-gpio",
+	.table = {
+		/*
+		 * This should be on "GPIO2" which has base at 200 so
+		 * the global numbers 209 and 210 should correspond to
+		 * local offsets 9 and 10.
+		 */
+		GPIO_LOOKUP_IDX("alchemy-gpio2", 9, NULL, 0,
+				GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("alchemy-gpio2", 10, NULL, 1,
+				GPIO_ACTIVE_HIGH),
+	},
+};
+
 static struct i2c_gpio_platform_data gpr_i2c_data = {
-	.sda_pin		= 209,
+	/*
+	 * The open drain mode is hardwired somewhere or an electrical
+	 * property of the alchemy GPIO controller.
+	 */
 	.sda_is_open_drain	= 1,
-	.scl_pin		= 210,
 	.scl_is_open_drain	= 1,
 	.udelay			= 2,		/* ~100 kHz */
 	.timeout		= HZ,
@@ -295,6 +313,7 @@ arch_initcall(gpr_pci_init);
 
 static int __init gpr_dev_init(void)
 {
+	gpiod_add_lookup_table(&gpr_i2c_gpiod_table);
 	i2c_register_board_info(0, gpr_i2c_info, ARRAY_SIZE(gpr_i2c_info));
 
 	return platform_add_devices(gpr_devices, ARRAY_SIZE(gpr_devices));
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c
index 7ba7ea0a22f8..6b6f6851df92 100644
--- a/arch/mips/alchemy/common/clock.c
+++ b/arch/mips/alchemy/common/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy clocks.
  *
@@ -142,7 +143,7 @@ void __init alchemy_set_lpj(void)
 	preset_lpj /= 2 * HZ;
 }
 
-static struct clk_ops alchemy_clkops_cpu = {
+static const struct clk_ops alchemy_clkops_cpu = {
 	.recalc_rate	= alchemy_clk_cpu_recalc,
 };
 
@@ -223,7 +224,7 @@ static long alchemy_clk_aux_roundr(struct clk_hw *hw,
 	return (*parent_rate) * mult;
 }
 
-static struct clk_ops alchemy_clkops_aux = {
+static const struct clk_ops alchemy_clkops_aux = {
 	.recalc_rate	= alchemy_clk_aux_recalc,
 	.set_rate	= alchemy_clk_aux_setr,
 	.round_rate	= alchemy_clk_aux_roundr,
@@ -575,7 +576,7 @@ static int alchemy_clk_fgv1_detr(struct clk_hw *hw,
 }
 
 /* Au1000, Au1100, Au15x0, Au12x0 */
-static struct clk_ops alchemy_clkops_fgenv1 = {
+static const struct clk_ops alchemy_clkops_fgenv1 = {
 	.recalc_rate	= alchemy_clk_fgv1_recalc,
 	.determine_rate	= alchemy_clk_fgv1_detr,
 	.set_rate	= alchemy_clk_fgv1_setr,
@@ -716,7 +717,7 @@ static int alchemy_clk_fgv2_detr(struct clk_hw *hw,
 }
 
 /* Au1300 larger input mux, no separate disable bit, flexible divider */
-static struct clk_ops alchemy_clkops_fgenv2 = {
+static const struct clk_ops alchemy_clkops_fgenv2 = {
 	.recalc_rate	= alchemy_clk_fgv2_recalc,
 	.determine_rate	= alchemy_clk_fgv2_detr,
 	.set_rate	= alchemy_clk_fgv2_setr,
@@ -924,7 +925,7 @@ static int alchemy_clk_csrc_detr(struct clk_hw *hw,
 	return alchemy_clk_fgcs_detr(hw, req, scale, 4);
 }
 
-static struct clk_ops alchemy_clkops_csrc = {
+static const struct clk_ops alchemy_clkops_csrc = {
 	.recalc_rate	= alchemy_clk_csrc_recalc,
 	.determine_rate	= alchemy_clk_csrc_detr,
 	.set_rate	= alchemy_clk_csrc_setr,
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index cd1ae29f95a3..efb318e03e0a 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DBAu1300 init and platform device setup.
  *
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 421bd5793f7e..7d3dfaa10231 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Db1550/Pb1550 board support
  *
diff --git a/arch/mips/alchemy/devboards/db1xxx.c b/arch/mips/alchemy/devboards/db1xxx.c
index c9ad28995cd2..e6d25aad8350 100644
--- a/arch/mips/alchemy/devboards/db1xxx.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy DB/PB1xxx board support.
  */
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index be139a0198b0..4640edab207c 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * devoard misc stuff.
  */
diff --git a/arch/mips/alchemy/devboards/platform.h b/arch/mips/alchemy/devboards/platform.h
index 5ac055d2cda9..23d98fc09a43 100644
--- a/arch/mips/alchemy/devboards/platform.h
+++ b/arch/mips/alchemy/devboards/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DEVBOARD_PLATFORM_H_
 #define _DEVBOARD_PLATFORM_H_
 
diff --git a/arch/mips/alchemy/devboards/pm.c b/arch/mips/alchemy/devboards/pm.c
index 93024dc6b314..73c77814687a 100644
--- a/arch/mips/alchemy/devboards/pm.c
+++ b/arch/mips/alchemy/devboards/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Development Board example suspend userspace interface.
  *