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123 lines
4.4 KiB
Diff
123 lines
4.4 KiB
Diff
From a1bbd630710d5da89a9c347c84d7badd30e7e68a Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 20 Jan 2016 10:12:00 +0100
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Subject: [PATCH 034/102] soc: mediatek: PMIC wrap: split SoC specific init
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into callback
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This patch moves the SoC specific wrapper init code into separate callback
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to avoid pwrap_init() getting too large. This is done by adding a new
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element called init_special to pmic_wrapper_type. Each currently supported
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SoC gets its own version of the callback and we copy the code that was
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previously inside pwrap_init() to these new callbacks. Finally we point the
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2 instances of pmic_wrapper_type at the 2 new functions.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/soc/mediatek/mtk-pmic-wrap.c | 67 +++++++++++++++++++++-------------
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1 file changed, 42 insertions(+), 25 deletions(-)
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--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
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+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
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@@ -372,6 +372,7 @@ struct pmic_wrapper_type {
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enum pwrap_type type;
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u32 arb_en_all;
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int (*init_reg_clock)(struct pmic_wrapper *wrp);
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+ int (*init_soc_specific)(struct pmic_wrapper *wrp);
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};
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static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
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@@ -665,6 +666,41 @@ static int pwrap_init_cipher(struct pmic
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return 0;
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}
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+static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
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+{
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+ /* enable pwrap events and pwrap bridge in AP side */
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+ pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
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+ pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
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+ writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
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+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
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+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
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+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
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+ writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
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+ writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
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+ writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
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+
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+ /* enable PMIC event out and sources */
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+ if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
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+ pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
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+ dev_err(wrp->dev, "enable dewrap fail\n");
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+ return -EFAULT;
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+ }
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+
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+ return 0;
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+}
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+
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+static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp)
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+{
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+ /* PMIC_DEWRAP enables */
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+ if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
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+ pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
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+ dev_err(wrp->dev, "enable dewrap fail\n");
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+ return -EFAULT;
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+ }
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+
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+ return 0;
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+}
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+
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static int pwrap_init(struct pmic_wrapper *wrp)
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{
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int ret;
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@@ -743,31 +779,10 @@ static int pwrap_init(struct pmic_wrappe
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pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD);
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pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN);
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- if (pwrap_is_mt8135(wrp)) {
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- /* enable pwrap events and pwrap bridge in AP side */
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- pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
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- pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
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- writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
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- writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
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- writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
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- writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
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- writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
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- writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
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- writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
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-
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- /* enable PMIC event out and sources */
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- if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
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- pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
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- dev_err(wrp->dev, "enable dewrap fail\n");
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- return -EFAULT;
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- }
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- } else {
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- /* PMIC_DEWRAP enables */
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- if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
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- pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
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- dev_err(wrp->dev, "enable dewrap fail\n");
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- return -EFAULT;
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- }
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+ if (wrp->master->init_soc_specific) {
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+ ret = wrp->master->init_soc_specific(wrp);
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+ if (ret)
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+ return ret;
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}
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/* Setup the init done registers */
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@@ -811,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt
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.type = PWRAP_MT8135,
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.arb_en_all = 0x1ff,
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.init_reg_clock = pwrap_mt8135_init_reg_clock,
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+ .init_soc_specific = pwrap_mt8135_init_soc_specific,
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};
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static struct pmic_wrapper_type pwrap_mt8173 = {
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@@ -818,6 +834,7 @@ static struct pmic_wrapper_type pwrap_mt
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.type = PWRAP_MT8173,
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.arb_en_all = 0x3f,
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.init_reg_clock = pwrap_mt8173_init_reg_clock,
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+ .init_soc_specific = pwrap_mt8173_init_soc_specific,
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};
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static struct of_device_id of_pwrap_match_tbl[] = {
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