80 lines
2.5 KiB
Diff
80 lines
2.5 KiB
Diff
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From: Sven Eckelmann <sven.eckelmann@open-mesh.com>
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Date: Fri, 24 Jul 2015 09:10:00 +0000
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Subject: ar71xx: Allow to use ath79_gpio_output_select on QCA955x
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Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
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Backport of r46459
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Forwarded: https://patchwork.ozlabs.org/patch/624182/
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diff --git a/target/linux/ar71xx/patches-3.18/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch b/target/linux/ar71xx/patches-3.18/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
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new file mode 100644
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index 0000000..e71b6e2
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--- /dev/null
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+++ b/target/linux/ar71xx/patches-3.18/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
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@@ -0,0 +1,63 @@
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+--- a/arch/mips/ath79/gpio.c
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++++ b/arch/mips/ath79/gpio.c
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+@@ -187,15 +187,30 @@ void __init ath79_gpio_output_select(uns
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+ {
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+ void __iomem *base = ath79_gpio_base;
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+ unsigned long flags;
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+- unsigned int reg;
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++ unsigned int reg, reg_base;
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++ unsigned long gpio_count;
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+ u32 t, s;
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+
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+- BUG_ON(!soc_is_ar934x() && !soc_is_qca953x() && !soc_is_qca956x());
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++ if (soc_is_ar934x()) {
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++ gpio_count = AR934X_GPIO_COUNT;
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++ reg_base = AR934X_GPIO_REG_OUT_FUNC0;
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++ } else if (soc_is_qca953x()) {
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++ gpio_count = QCA953X_GPIO_COUNT;
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++ reg_base = QCA953X_GPIO_REG_OUT_FUNC0;
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++ } else if (soc_is_qca955x()) {
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++ gpio_count = QCA955X_GPIO_COUNT;
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++ reg_base = QCA955X_GPIO_REG_OUT_FUNC0;
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++ } else if (soc_is_qca956x()) {
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++ gpio_count = QCA956X_GPIO_COUNT;
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++ reg_base = QCA956X_GPIO_REG_OUT_FUNC0;
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++ } else {
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++ BUG();
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++ }
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+
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+- if (gpio >= AR934X_GPIO_COUNT)
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++ if (gpio >= gpio_count)
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+ return;
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+
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+- reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
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++ reg = reg_base + 4 * (gpio / 4);
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+ s = 8 * (gpio % 4);
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+
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+ spin_lock_irqsave(&ath79_gpio_lock, flags);
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+--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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+@@ -875,6 +875,14 @@
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+ #define QCA953X_GPIO_OUT_MUX_LED_LINK4 44
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+ #define QCA953X_GPIO_OUT_MUX_LED_LINK5 45
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+
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++#define QCA955X_GPIO_REG_OUT_FUNC0 0x2c
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++#define QCA955X_GPIO_REG_OUT_FUNC1 0x30
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++#define QCA955X_GPIO_REG_OUT_FUNC2 0x34
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++#define QCA955X_GPIO_REG_OUT_FUNC3 0x38
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++#define QCA955X_GPIO_REG_OUT_FUNC4 0x3c
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++#define QCA955X_GPIO_REG_OUT_FUNC5 0x40
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++#define QCA955X_GPIO_REG_FUNC 0x6c
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++
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+ #define QCA956X_GPIO_REG_OUT_FUNC0 0x2c
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+ #define QCA956X_GPIO_REG_OUT_FUNC1 0x30
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+ #define QCA956X_GPIO_REG_OUT_FUNC2 0x34
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+@@ -1014,6 +1022,8 @@
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+ #define AR934X_GPIO_OUT_EXT_LNA0 46
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+ #define AR934X_GPIO_OUT_EXT_LNA1 47
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+
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++#define QCA955X_GPIO_OUT_GPIO 0
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++
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+ /*
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+ * MII_CTRL block
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+ */
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