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author | John Crispin <john@phrozen.org> | 2016-06-07 20:33:35 +0200 |
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committer | John Crispin <john@phrozen.org> | 2016-06-13 22:51:42 +0200 |
commit | 46cecfd6d727f398b568080655a77ea07308053b (patch) | |
tree | 09ec2303ba12556ce3276ae80534d5f9469f77c2 /target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch | |
parent | 53147c2237231842b4d185f69c2bc0d79aff8b85 (diff) | |
download | upstream-46cecfd6d727f398b568080655a77ea07308053b.tar.gz upstream-46cecfd6d727f398b568080655a77ea07308053b.tar.bz2 upstream-46cecfd6d727f398b568080655a77ea07308053b.zip |
ipg806x: set v4.4 as default
Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch')
-rw-r--r-- | target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch b/target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch deleted file mode 100644 index 752f3f74d5..0000000000 --- a/target/linux/ipq806x/patches-3.18/102-soc-qcom-gsbi-Add-support-for-ADM-CRCI-muxing.patch +++ /dev/null @@ -1,249 +0,0 @@ ---- a/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt -+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,gsbi.txt -@@ -6,7 +6,8 @@ configuration settings. The mode settin - the 4 GSBI IOs. - - Required properties: --- compatible: must contain "qcom,gsbi-v1.0.0" for APQ8064/IPQ8064 -+- compatible: Should contain "qcom,gsbi-v1.0.0" -+- cell-index: Should contain the GSBI index - - reg: Address range for GSBI registers - - clocks: required clock - - clock-names: must contain "iface" entry -@@ -16,6 +17,8 @@ Required properties: - Optional properties: - - qcom,crci : indicates CRCI MUX value for QUP CRCI ports. Please reference - dt-bindings/soc/qcom,gsbi.h for valid CRCI mux values. -+- syscon-tcsr: indicates phandle of TCSR syscon node. Required if child uses -+ dma. - - Required properties if child node exists: - - #address-cells: Must be 1 -@@ -39,6 +42,7 @@ Example for APQ8064: - - gsbi4@16300000 { - compatible = "qcom,gsbi-v1.0.0"; -+ cell-index = <4>; - reg = <0x16300000 0x100>; - clocks = <&gcc GSBI4_H_CLK>; - clock-names = "iface"; -@@ -48,6 +52,8 @@ Example for APQ8064: - qcom,mode = <GSBI_PROT_I2C_UART>; - qcom,crci = <GSBI_CRCI_QUP>; - -+ syscon-tcsr = <&tcsr>; -+ - /* child nodes go under here */ - - i2c_qup4: i2c@16380000 { -@@ -76,3 +82,9 @@ Example for APQ8064: - }; - }; - -+ tcsr: syscon@1a400000 { -+ compatible = "qcom,apq8064-tcsr", "syscon"; -+ reg = <0x1a400000 0x100>; -+ }; -+ -+ ---- a/drivers/soc/qcom/Kconfig -+++ b/drivers/soc/qcom/Kconfig -@@ -4,6 +4,7 @@ - config QCOM_GSBI - tristate "QCOM General Serial Bus Interface" - depends on ARCH_QCOM -+ select MFD_SYSCON - help - Say y here to enable GSBI support. The GSBI provides control - functions for connecting the underlying serial UART, SPI, and I2C ---- a/drivers/soc/qcom/qcom_gsbi.c -+++ b/drivers/soc/qcom/qcom_gsbi.c -@@ -18,22 +18,129 @@ - #include <linux/of.h> - #include <linux/of_platform.h> - #include <linux/platform_device.h> -+#include <linux/regmap.h> -+#include <linux/mfd/syscon.h> -+#include <dt-bindings/soc/qcom,gsbi.h> - - #define GSBI_CTRL_REG 0x0000 - #define GSBI_PROTOCOL_SHIFT 4 -+#define MAX_GSBI 12 -+ -+#define TCSR_ADM_CRCI_BASE 0x70 -+ -+struct crci_config { -+ u32 num_rows; -+ const u32 (*array)[MAX_GSBI]; -+}; -+ -+static const u32 crci_ipq8064[][MAX_GSBI] = { -+ { -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+ { -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+}; -+ -+static const struct crci_config config_ipq8064 = { -+ .num_rows = ARRAY_SIZE(crci_ipq8064), -+ .array = crci_ipq8064, -+}; -+ -+static const unsigned int crci_apq8064[][MAX_GSBI] = { -+ { -+ 0x001800, 0x006000, 0x000030, 0x0000c0, -+ 0x000300, 0x000400, 0x000000, 0x000000, -+ 0x000000, 0x000000, 0x000000, 0x000000 -+ }, -+ { -+ 0x000000, 0x000000, 0x000000, 0x000000, -+ 0x000000, 0x000020, 0x0000c0, 0x000000, -+ 0x000000, 0x000000, 0x000000, 0x000000 -+ }, -+}; -+ -+static const struct crci_config config_apq8064 = { -+ .num_rows = ARRAY_SIZE(crci_apq8064), -+ .array = crci_apq8064, -+}; -+ -+static const unsigned int crci_msm8960[][MAX_GSBI] = { -+ { -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000400, 0x000000, 0x000000, -+ 0x000000, 0x000000, 0x000000, 0x000000 -+ }, -+ { -+ 0x000000, 0x000000, 0x000000, 0x000000, -+ 0x000000, 0x000020, 0x0000c0, 0x000300, -+ 0x001800, 0x006000, 0x000000, 0x000000 -+ }, -+}; -+ -+static const struct crci_config config_msm8960 = { -+ .num_rows = ARRAY_SIZE(crci_msm8960), -+ .array = crci_msm8960, -+}; -+ -+static const unsigned int crci_msm8660[][MAX_GSBI] = { -+ { /* ADM 0 - B */ -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+ { /* ADM 0 - B */ -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+ { /* ADM 1 - A */ -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+ { /* ADM 1 - B */ -+ 0x000003, 0x00000c, 0x000030, 0x0000c0, -+ 0x000300, 0x000c00, 0x003000, 0x00c000, -+ 0x030000, 0x0c0000, 0x300000, 0xc00000 -+ }, -+}; -+ -+static const struct crci_config config_msm8660 = { -+ .num_rows = ARRAY_SIZE(crci_msm8660), -+ .array = crci_msm8660, -+}; - - struct gsbi_info { - struct clk *hclk; - u32 mode; - u32 crci; -+ struct regmap *tcsr; -+}; -+ -+static const struct of_device_id tcsr_dt_match[] = { -+ { .compatible = "qcom,tcsr-ipq8064", .data = &config_ipq8064}, -+ { .compatible = "qcom,tcsr-apq8064", .data = &config_apq8064}, -+ { .compatible = "qcom,tcsr-msm8960", .data = &config_msm8960}, -+ { .compatible = "qcom,tcsr-msm8660", .data = &config_msm8660}, -+ { }, - }; - - static int gsbi_probe(struct platform_device *pdev) - { - struct device_node *node = pdev->dev.of_node; -+ struct device_node *tcsr_node; -+ const struct of_device_id *match; - struct resource *res; - void __iomem *base; - struct gsbi_info *gsbi; -+ int i; -+ u32 mask, gsbi_num; -+ const struct crci_config *config = NULL; - - gsbi = devm_kzalloc(&pdev->dev, sizeof(*gsbi), GFP_KERNEL); - -@@ -45,6 +152,32 @@ static int gsbi_probe(struct platform_de - if (IS_ERR(base)) - return PTR_ERR(base); - -+ /* get the tcsr node and setup the config and regmap */ -+ gsbi->tcsr = syscon_regmap_lookup_by_phandle(node, "syscon-tcsr"); -+ -+ if (!IS_ERR(gsbi->tcsr)) { -+ tcsr_node = of_parse_phandle(node, "syscon-tcsr", 0); -+ if (tcsr_node) { -+ match = of_match_node(tcsr_dt_match, tcsr_node); -+ if (match) -+ config = match->data; -+ else -+ dev_warn(&pdev->dev, "no matching TCSR\n"); -+ -+ of_node_put(tcsr_node); -+ } -+ } -+ -+ if (of_property_read_u32(node, "cell-index", &gsbi_num)) { -+ dev_err(&pdev->dev, "missing cell-index\n"); -+ return -EINVAL; -+ } -+ -+ if (gsbi_num < 1 || gsbi_num > MAX_GSBI) { -+ dev_err(&pdev->dev, "invalid cell-index\n"); -+ return -EINVAL; -+ } -+ - if (of_property_read_u32(node, "qcom,mode", &gsbi->mode)) { - dev_err(&pdev->dev, "missing mode configuration\n"); - return -EINVAL; -@@ -64,6 +197,25 @@ static int gsbi_probe(struct platform_de - writel_relaxed((gsbi->mode << GSBI_PROTOCOL_SHIFT) | gsbi->crci, - base + GSBI_CTRL_REG); - -+ /* -+ * modify tcsr to reflect mode and ADM CRCI mux -+ * Each gsbi contains a pair of bits, one for RX and one for TX -+ * SPI mode requires both bits cleared, otherwise they are set -+ */ -+ if (config) { -+ for (i = 0; i < config->num_rows; i++) { -+ mask = config->array[i][gsbi_num - 1]; -+ -+ if (gsbi->mode == GSBI_PROT_SPI) -+ regmap_update_bits(gsbi->tcsr, -+ TCSR_ADM_CRCI_BASE + 4 * i, mask, 0); -+ else -+ regmap_update_bits(gsbi->tcsr, -+ TCSR_ADM_CRCI_BASE + 4 * i, mask, mask); -+ -+ } -+ } -+ - /* make sure the gsbi control write is not reordered */ - wmb(); - |