diff options
Diffstat (limited to 'drivers/acpi/acpi_apd.c')
-rw-r--r-- | drivers/acpi/acpi_apd.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 1daf9c46df8e..d58fbf7f04e6 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c | |||
@@ -42,6 +42,7 @@ struct apd_private_data; | |||
42 | struct apd_device_desc { | 42 | struct apd_device_desc { |
43 | unsigned int flags; | 43 | unsigned int flags; |
44 | unsigned int fixed_clk_rate; | 44 | unsigned int fixed_clk_rate; |
45 | struct property_entry *properties; | ||
45 | int (*setup)(struct apd_private_data *pdata); | 46 | int (*setup)(struct apd_private_data *pdata); |
46 | }; | 47 | }; |
47 | 48 | ||
@@ -71,22 +72,35 @@ static int acpi_apd_setup(struct apd_private_data *pdata) | |||
71 | } | 72 | } |
72 | 73 | ||
73 | #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE | 74 | #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE |
74 | static struct apd_device_desc cz_i2c_desc = { | 75 | static const struct apd_device_desc cz_i2c_desc = { |
75 | .setup = acpi_apd_setup, | 76 | .setup = acpi_apd_setup, |
76 | .fixed_clk_rate = 133000000, | 77 | .fixed_clk_rate = 133000000, |
77 | }; | 78 | }; |
78 | 79 | ||
79 | static struct apd_device_desc cz_uart_desc = { | 80 | static struct property_entry uart_properties[] = { |
81 | PROPERTY_ENTRY_U32("reg-io-width", 4), | ||
82 | PROPERTY_ENTRY_U32("reg-shift", 2), | ||
83 | PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"), | ||
84 | { }, | ||
85 | }; | ||
86 | |||
87 | static const struct apd_device_desc cz_uart_desc = { | ||
80 | .setup = acpi_apd_setup, | 88 | .setup = acpi_apd_setup, |
81 | .fixed_clk_rate = 48000000, | 89 | .fixed_clk_rate = 48000000, |
90 | .properties = uart_properties, | ||
82 | }; | 91 | }; |
83 | #endif | 92 | #endif |
84 | 93 | ||
85 | #ifdef CONFIG_ARM64 | 94 | #ifdef CONFIG_ARM64 |
86 | static struct apd_device_desc xgene_i2c_desc = { | 95 | static const struct apd_device_desc xgene_i2c_desc = { |
87 | .setup = acpi_apd_setup, | 96 | .setup = acpi_apd_setup, |
88 | .fixed_clk_rate = 100000000, | 97 | .fixed_clk_rate = 100000000, |
89 | }; | 98 | }; |
99 | |||
100 | static const struct apd_device_desc vulcan_spi_desc = { | ||
101 | .setup = acpi_apd_setup, | ||
102 | .fixed_clk_rate = 133000000, | ||
103 | }; | ||
90 | #endif | 104 | #endif |
91 | 105 | ||
92 | #else | 106 | #else |
@@ -125,6 +139,12 @@ static int acpi_apd_create_device(struct acpi_device *adev, | |||
125 | goto err_out; | 139 | goto err_out; |
126 | } | 140 | } |
127 | 141 | ||
142 | if (dev_desc->properties) { | ||
143 | ret = device_add_properties(&adev->dev, dev_desc->properties); | ||
144 | if (ret) | ||
145 | goto err_out; | ||
146 | } | ||
147 | |||
128 | adev->driver_data = pdata; | 148 | adev->driver_data = pdata; |
129 | pdev = acpi_create_platform_device(adev); | 149 | pdev = acpi_create_platform_device(adev); |
130 | if (!IS_ERR_OR_NULL(pdev)) | 150 | if (!IS_ERR_OR_NULL(pdev)) |
@@ -149,6 +169,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = { | |||
149 | #endif | 169 | #endif |
150 | #ifdef CONFIG_ARM64 | 170 | #ifdef CONFIG_ARM64 |
151 | { "APMC0D0F", APD_ADDR(xgene_i2c_desc) }, | 171 | { "APMC0D0F", APD_ADDR(xgene_i2c_desc) }, |
172 | { "BRCM900D", APD_ADDR(vulcan_spi_desc) }, | ||
152 | #endif | 173 | #endif |
153 | { } | 174 | { } |
154 | }; | 175 | }; |